Security Bulletins

US-CERT: The United States Computer Emergency Readiness Team   more  xml  hide  
last updated: Sat, 20 Oct 2018 07:28:22 GMT

 Sat, 20 Oct 2018 00:13:52 +0000 NCSC Releases 2018 Annual Review
Original release date: October 19, 2018

The United Kingdom's (UK) National Cyber Security Centre (NCSC) has released its Annual Review for 2018, which provides a snapshot of their work from September 1, 2017, to August 31, 2018. NCSC provides enhanced services to protect the UK against cybersecurity threats.

NCCIC encourages users and administrators to review NCSC’s 2018 Annual Review for more information.


This product is provided subject to this Notification and this Privacy & Use policy.


 Fri, 19 Oct 2018 21:43:54 +0000 libssh Releases Security Updates
Original release date: October 19, 2018

libssh has released security updates addressing a vulnerability affecting libssh versions 0.6 and above. A remote attacker could exploit this vulnerability to take control of an affected system.

NCCIC encourages users and administrators to review the libssh Security Release for additional information and apply the necessary updates.


This product is provided subject to this Notification and this Privacy & Use policy.


 Fri, 19 Oct 2018 21:09:53 +0000 Microsoft Releases Security Update for Yammer
Original release date: October 19, 2018

Microsoft has released a security update to address a vulnerability in the Yammer desktop application. A remote attacker could exploit this vulnerability to take control of an affected system.

NCCIC encourages users and administrators to review the Microsoft Security Advisory and apply the necessary update.


This product is provided subject to this Notification and this Privacy & Use policy.


 Thu, 18 Oct 2018 22:00:21 +0000 Drupal Releases Security Updates
Original release date: October 18, 2018

Drupal has released security updates addressing multiple vulnerabilities in Drupal 7.x and 8.x. A remote attacker could exploit some of these vulnerabilities to take control of an affected system.

NCCIC encourages users and administrators to review Drupal's Security Advisory and apply the necessary updates.


This product is provided subject to this Notification and this Privacy & Use policy.


 Wed, 17 Oct 2018 18:53:23 +0000 Cisco Releases Security Updates
Original release date: October 17, 2018

Cisco has released security updates to address multiple vulnerabilities affecting Cisco products. An attacker could exploit one of these vulnerabilities to take control of an affected system.

NCCIC encourages users and administrators to review the Cisco Security Advisories and Alerts webpage and apply the necessary updates.


This product is provided subject to this Notification and this Privacy & Use policy.



[logo] SecurityFocus Vulnerabilities   more  xml  hide  
last updated: Sat, 20 Oct 2018 07:43:54 GMT

 2018-10-19 Vuln: cURL CVE-2018-1000300 Heap Buffer Overflow Vulnerability
cURL CVE-2018-1000300 Heap Buffer Overflow Vulnerability
 2018-10-19 Vuln: Apache Groovy CVE-2016-6814 Remote Code Execution Vulnerability
Apache Groovy CVE-2016-6814 Remote Code Execution Vulnerability
 2018-10-19 Vuln: Apache Struts CVE-2016-1182 Security Bypass Vulnerability
Apache Struts CVE-2016-1182 Security Bypass Vulnerability
 2018-10-19 Vuln: OpenSSL CVE-2018-0732 Denial of Service Vulnerability
OpenSSL CVE-2018-0732 Denial of Service Vulnerability
  Bugtraq: [SECURITY] [DSA 4269-1] postgresql-9.6 security update
[SECURITY] [DSA 4269-1] postgresql-9.6 security update

[logo] Yahoo News - Latest News & Headlines   more  xml  hide  
last updated: Sat, 20 Oct 2018 07:28:23 GMT

 Thu, 18 Oct 2018 17:13:44 -0400 Cory Booker says the U.S. needs to ‘reexamine’ its ‘entire relationship’ with Saudi Arabia

Cory Booker says the U.S. needs to ‘reexamine’ its ‘entire relationship’ with Saudi ArabiaThe Democratic New Jersey senator said the disappearance of Jamal Khashoggi is just one of many concerns he has about Saudi Arabia and America's close ties to the Gulf country.


 Fri, 19 Oct 2018 15:25:13 -0400 New York Man Arrested For Threatening To Kill Senators Over Kavanaugh Confirmation

New York Man Arrested For Threatening To Kill Senators Over Kavanaugh ConfirmationLong Island resident Ronald DeRisi, 74, was arrested Friday and charged with


 Fri, 19 Oct 2018 10:02:39 -0400 Nikki Haley Jokes She's Not An 'Indian Woman' In Swipe At Elizabeth Warren

Nikki Haley Jokes She's Not An 'Indian Woman' In Swipe At Elizabeth WarrenNikki Haley, the outgoing U.S. ambassador to the United Nations, drew laughter


 Fri, 19 Oct 2018 08:00:00 -0400 Best Bites: Roasted brussel sprouts with parmesan sauce

Best Bites: Roasted brussel sprouts with parmesan sauceWelcome to Best Bites, a twice-weekly video series that aims to satisfy your


 Thu, 18 Oct 2018 15:11:27 -0400 The Republican who shocked the world 4 years ago could lose because of redistricting

The Republican who shocked the world 4 years ago could lose because of redistrictingThe Virginia congressional district that Dave Brat took in 2014 is now less favorable to the GOP.



Cisco Security Advisory   more  xml  hide  
last updated: Sat, 20 Oct 2018 07:24:10 GMT

 Fri, 19 Oct 2018 17:52:10 CDT Linux Kernel IP Fragment Reassembly Denial of Service Vulnerability Affecting Cisco Products: August 2018

On August 14, 2018, the Vulnerability Coordination team of the National Cyber Security Centre of Finland (NCSC-FI) and the CERT Coordination Center (CERT/CC) disclosed a vulnerability in the IP stack that is used by the Linux Kernel. This vulnerability is publicly known as FragmentSmack.

The vulnerability could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. An attack could be executed by an attacker who can submit a stream of fragmented IPv4 or IPv6 packets that are designed to trigger the issue on an affected device.

The vulnerability is due to inefficient IPv4 and IPv6 fragment reassembly algorithms in the IP stack that is used by the affected kernel. Linux Kernel Versions 3.9 and later are known to be affected by this vulnerability.

This advisory will be updated as additional information becomes available.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180824-linux-ip-fragment


Security Impact Rating: High
CVE: CVE-2018-5391
 Fri, 19 Oct 2018 16:00:00 CDT libssh Authentication Bypass Vulnerability Affecting Cisco Products: October 2018

A vulnerability in libssh could allow an unauthenticated, remote attacker to bypass authentication on a targeted system.

The vulnerability is due to improper authentication operations by the server-side state machine of the affected software. An attacker could exploit this vulnerability by presenting a SSH2_MSG_USERAUTH_SUCCESS message to a targeted system. A successful exploit could allow the attacker to bypass authentication and gain unauthorized access to a targeted system.

This advisory will be updated as additional information becomes available.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181019-libssh


Security Impact Rating: Critical
CVE: CVE-2018-10933
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Wireless LAN Controller Software GUI Privilege Escalation Vulnerability

A vulnerability in TACACS authentication with Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, local attacker to perform certain operations within the GUI that are not normally available to that user on the CLI.

The vulnerability is due to incorrect parsing of a specific TACACS attribute received in the TACACS response from the remote TACACS server. An attacker could exploit this vulnerability by authenticating via TACACS to the GUI on the affected device. A successful exploit could allow an attacker to create local user accounts with administrative privileges on an affected WLC and execute other commands that are not allowed from the CLI and should be prohibited.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-gui-privesc


Security Impact Rating: High
CVE: CVE-2018-0417
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Aironet 1560, 1800, 2800, and 3800 Series Access Points Denial of Service Vulnerability

A vulnerability in the Cisco Aironet 1560, 1800, 2800, and 3800 Series Access Points (APs) software could allow an authenticated, adjacent attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition.

The vulnerability is due to a deadlock condition that may occur when an affected AP attempts to dequeue aggregated traffic that is destined to an attacker-controlled wireless client. An attacker who can successfully transition between multiple Service Set Identifiers (SSIDs) hosted on the same AP while replicating the required traffic patterns could trigger the deadlock condition. A watchdog timer that detects the condition will trigger a reload of the device, resulting in a DoS condition while the device restarts.

Cisco has released software updates that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-aironet-dos


Security Impact Rating: Medium
CVE: CVE-2018-0381
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Wireless LAN Controller Software Directory Traversal Vulnerability

A vulnerability in the web-based interface of Cisco Wireless LAN Controller Software could allow an authenticated, remote attacker to view sensitive information.

The issue is due to improper sanitization of user-supplied input in HTTP request parameters that describe filenames and pathnames. An attacker could exploit this vulnerability by using directory traversal techniques to submit a path to a desired file location. A successful exploit could allow the attacker to view system files on the targeted device, which may contain sensitive information.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-traversal


Security Impact Rating: Medium
CVE: CVE-2018-0420
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Wireless LAN Controller Software Information Disclosure Vulnerability

A vulnerability in the web-based interface of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to view system information that under normal circumstances should be prohibited.

The vulnerability is due to incomplete input and validation checking mechanisms in the web-based interface URL request. An attacker could exploit this vulnerability by requesting specific URLs via the web-based interface. A successful exploit could allow the attacker to view sensitive system information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-id


Security Impact Rating: Medium
CVE: CVE-2018-0416
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Wireless LAN Controller Software Control and Provisioning of Wireless Access Points Protocol Information Disclosure Vulnerability

A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol component of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to retrieve memory contents, which could lead to the disclosure of confidential information.
 
The vulnerability is due to insufficient condition checks in the part of the code that handles CAPWAP keepalive requests. An attacker could exploit this vulnerability by sending a crafted CAPWAP keepalive packet to a vulnerable Cisco WLC device. A successful exploit could allow the attacker to retrieve the contents of device memory, which could lead to the disclosure of confidential information.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-capwap-memory-leak


Security Impact Rating: High
CVE: CVE-2018-0442
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Wireless LAN Controller Software Control and Provisioning of Wireless Access Points Protocol Denial of Service Vulnerability
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol component of Cisco Wireless LAN Controller (WLC) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.
 
The vulnerability is due to improper input validation on fields within CAPWAP Discovery Request packets by the affected device. An attacker could exploit this vulnerability by sending malicious CAPWAP Discovery Request packets to the Cisco WLC Software. A successful exploit could allow the attacker to cause the Cisco WLC Software to disconnect associated access points (APs). While the APs disconnect and reconnect, service will be unavailable for a brief period of time, resulting in a DoS condition.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlc-capwap-dos


Security Impact Rating: High
CVE: CVE-2018-0443
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Wireless LAN Controller Software Cross-Site Scripting Vulnerability

A vulnerability in the web-based interface of Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the user of the web-based interface of an affected system.

The vulnerability is due to insufficient validation of user-supplied input by the web-based interface. An attacker could exploit this vulnerability by persuading a user to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlan-xss


Security Impact Rating: Medium
CVE: CVE-2018-0388
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Wireless LAN Controller Software Privilege Escalation Vulnerability

A vulnerability in the authentication and authorization checking mechanisms of Cisco Wireless LAN Controller (WLC) Software could allow an authenticated, adjacent attacker to gain network access to a Cisco TrustSec domain. Under normal circumstances, this access should be prohibited.

The vulnerability is due to the dynamic assignment of Security Group Tags (SGTs) during a wireless roam from one Service Set Identifier (SSID) to another within the Cisco TrustSec domain. An attacker could exploit this vulnerability by attempting to acquire an SGT from other SSIDs within the domain. Successful exploitation could allow the attacker to gain privileged network access that should be prohibited under normal circumstances.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-wlan-escalation


Security Impact Rating: Medium
CVE: CVE-2018-15395
 Wed, 17 Oct 2018 16:00:00 CDT Cisco SocialMiner Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco SocialMiner could allow an unauthenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the web-based management interface.

The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive browser-based information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-sm-xss


Security Impact Rating: Medium
CVE: CVE-2018-15435
 Wed, 17 Oct 2018 16:00:00 CDT Cisco NX-OS Software Authenticated Simple Network Management Protocol Denial of Service Vulnerability

A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco NX-OS Software could allow an authenticated, remote attacker to cause the SNMP application of an affected device to restart unexpectedly.

The vulnerability is due to improper validation of SNMP protocol data units (PDUs) in SNMP packets. An attacker could exploit this vulnerability by sending a crafted SNMP packet to an affected device. A successful exploit could allow the attacker to cause the SNMP application to restart multiple times, leading to a system-level restart and a denial of service (DoS) condition.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nxos-snmp


Security Impact Rating: High
CVE: CVE-2018-0456
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Enterprise NFV Infrastructure Software Cross-Site Request Forgery Vulnerability

A vulnerability in Cisco Enterprise NFV Infrastructure Software (NFVIS) could allow an unauthenticated, remote attacker to conduct cross-site request forgery (CSRF) attacks.

The vulnerability is due to improper validation of Origin headers on HTTP requests within the management interface. An attacker could exploit this vulnerability by convincing a targeted user to follow a URL to a malicious website. An exploit could allow the attacker to take actions within the software with the privileges of the targeted user or gain access to sensitive information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nfvis-csrf
Security Impact Rating: Medium
CVE: CVE-2018-15402
 Wed, 17 Oct 2018 16:00:00 CDT Cisco NX-OS Software for Nexus 5500, 5600, and 6000 Series Switches Precision Time Protocol Denial of Service Vulnerability

A vulnerability in the Precision Time Protocol (PTP) feature of Cisco Nexus 5500, 5600, and 6000 Series Switches running Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.

The vulnerability is due to a lack of protection against PTP frame flood attacks. An attacker could exploit this vulnerability by sending large streams of malicious IPv4 or IPv6 PTP traffic to the affected device. A successful exploit could allow the attacker to cause a DoS condition, impacting the traffic passing through the device.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-nexus-ptp-dos


Security Impact Rating: High
CVE: CVE-2018-0378
 Wed, 17 Oct 2018 16:00:00 CDT Cisco FXOS and NX-OS Software Link Layer Discovery Protocol Denial of Service Vulnerability

A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads.

The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos


Security Impact Rating: High
CVE: CVE-2018-0395
 Wed, 17 Oct 2018 16:00:00 CDT Cisco Prime Collaboration Assurance Cross-Site Request Forgery Vulnerability

A vulnerability in the web-based management interface of Cisco Prime Collaboration Assurance could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected system.

The vulnerability is due to insufficient CSRF protections for the web-based management interface of the affected software. An attacker could exploit this vulnerability by persuading a user of the interface to follow a malicious link. A successful exploit could allow the attacker to use a web browser to perform arbitrary actions with the privileges of the user on an affected system.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-cpca-csrf


Security Impact Rating: Medium
CVE: CVE-2018-15438
 Wed, 17 Oct 2018 16:00:00 CDT Cisco IOS Access Points Software 802.11r Fast Transition Denial of Service Vulnerability

A vulnerability in the 802.11r Fast Transition feature set of Cisco IOS Access Points (APs) Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on an affected device.

The vulnerability is due to a corruption of certain timer mechanisms triggered by specific roaming events. This corruption will eventually cause a timer crash. An attacker could exploit this vulnerability by sending malicious reassociation events multiple times to the same AP in a short period of time, causing a DoS condition on the affected AP.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-ap-ft-dos


Security Impact Rating: High
CVE: CVE-2018-0441
 Wed, 10 Oct 2018 15:16:56 CDT Cisco Webex Network Recording Player and Cisco Webex Player Remote Code Execution Vulnerabilities

Multiple vulnerabilities in the Cisco Webex Network Recording Player for Microsoft Windows and the Cisco Webex Player for Microsoft Windows could allow an attacker to execute arbitrary code on an affected system.

The vulnerabilities exist because the affected software improperly validates Advanced Recording Format (ARF) and Webex Recording Format (WRF) files. An attacker could exploit these vulnerabilities by sending a user a malicious ARF or WRF file via a link or an email attachment and persuading the user to open the file by using the affected software. A successful exploit could allow the attacker to execute arbitrary code on the affected system.

Cisco has released software updates that address these vulnerabilities. There are no workarounds that address these vulnerabilities.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-webex-rce


Security Impact Rating: High
CVE: CVE-2018-15408,CVE-2018-15409,CVE-2018-15410,CVE-2018-15411,CVE-2018-15412,CVE-2018-15413,CVE-2018-15415,CVE-2018-15416,CVE-2018-15417,CVE-2018-15418,CVE-2018-15419,CVE-2018-15420,CVE-2018-15431
 Fri, 05 Oct 2018 16:12:17 CDT Cisco ASA Software, FTD Software, and AnyConnect Secure Mobility Client SAML Authentication Session Fixation Vulnerability
A vulnerability in the implementation of Security Assertion Markup Language (SAML) Single Sign-On (SSO) authentication for Cisco AnyConnect Secure Mobility Client for Desktop Platforms, Cisco Adaptive Security Appliance (ASA) Software, and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to establish an authenticated AnyConnect session through an affected device running ASA or FTD Software. The authentication would need to be done by an unsuspecting third party.

The vulnerability exists because there is no mechanism for the ASA or FTD Software to detect that the authentication request originates from the AnyConnect client directly. An attacker could exploit this vulnerability by persuading a user to click a crafted link and authenticating using the company's Identity Provider (IdP). A successful exploit could allow the attacker to hijack a valid authentication token and use that to establish an authenticated AnyConnect session through an affected device running ASA or FTD Software.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-asaanyconnect
Security Impact Rating: High
CVE: CVE-2018-0229
 Fri, 05 Oct 2018 15:28:40 CDT Cisco Adaptive Security Appliance Web Services Denial of Service Vulnerability
A vulnerability in the web interface of the Cisco Adaptive Security Appliance (ASA) could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. It is also possible on certain software releases that the ASA will not reload, but an attacker could view sensitive system information without authentication by using directory traversal techniques.

The vulnerability is due to lack of proper input validation of the HTTP URL. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. An exploit could allow the attacker to cause a DoS condition or unauthenticated disclosure of information. This vulnerability applies to IPv4 and IPv6 HTTP traffic.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180606-asaftd
Security Impact Rating: High
CVE: CVE-2018-0296
 Wed, 03 Oct 2018 21:00:36 CDT Cisco Remote PHY IPv4 Fragment Denial of Service Vulnerability

A vulnerability in certain IPv4 fragment-processing functions of Cisco Remote PHY Software could allow an unauthenticated, remote attacker to impact traffic passing through a device, potentially causing a denial of service (DoS) condition.

The vulnerability is due to the affected software not validating and calculating certain numerical values in IPv4 packets that are sent to an affected device. An attacker could exploit this vulnerability by sending malformed IPv4 traffic to an affected device. A successful exploit could allow the attacker to disrupt the flow of certain IPv4 traffic passing through an affected device, which could result in a DoS condition.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-phy-ipv4-dos


Security Impact Rating: Medium
CVE: CVE-2018-15391
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Small Business 300 Series Managed Switches Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Small Business 300 Series Managed Switches could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected system.

The vulnerability exists because the affected management interface performs insufficient validation of user-supplied input. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or allow the attacker to access sensitive, browser-based information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-300-switch-xss


Security Impact Rating: Medium
CVE: CVE-2018-0465
 Wed, 03 Oct 2018 16:00:00 CDT Cisco SD-WAN Solution Certificate Validation Bypass Vulnerability

A vulnerability in the Cisco SD-WAN Solution could allow an unauthenticated, remote attacker to bypass certificate validation on an affected device.

The vulnerability is due to improper certificate validation. An attacker could exploit this vulnerability by supplying a system image signed with a crafted certificate to an affected device, bypassing the certificate validation. An exploit could allow an attacker to deploy a crafted system image.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-sd-wan-bypass


Security Impact Rating: High
CVE: CVE-2018-15387
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Prime Infrastructure Information Disclosure Vulnerability

A vulnerability in the server backup function of Cisco Prime Infrastructure could allow an authenticated, remote attacker to view sensitive information.

The vulnerability is due to the transmission of sensitive information as part of a GET request. An attacker could exploit this vulnerability by sending a GET request to a vulnerable device. A successful exploit could allow the attacker to view sensitive information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-prime-id


Security Impact Rating: Medium
CVE: CVE-2018-15433
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Prime Infrastructure Arbitrary File Upload and Command Execution Vulnerability

A vulnerability in which the HTTP web server for Cisco Prime Infrastructure (PI) has unrestricted directory permissions could allow an unauthenticated, remote attacker to upload an arbitrary file. This file could allow the attacker to execute commands at the privilege level of the user prime. This user does not have administrative or root privileges.

The vulnerability is due to an incorrect permission setting for important system directories. An attacker could exploit this vulnerability by uploading a malicious file by using TFTP, which can be accessed via the web-interface GUI. A successful exploit could allow the attacker to run commands on the targeted application without authentication.

Cisco has released software updates that address this vulnerability. There are workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-pi-tftp


Security Impact Rating: Critical
CVE: CVE-2018-15379
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Prime Infrastructure Information Disclosure Vulnerability

A vulnerability in the server backup function of Cisco Prime Infrastructure could allow an authenticated, remote attacker to view sensitive information.

The vulnerability is due to the transmission of sensitive information as part of a GET request. An attacker could exploit this vulnerability by sending a GET request to a vulnerable device. A successful exploit could allow the attacker to view sensitive information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-pi-id


Security Impact Rating: Medium
CVE: CVE-2018-15432
 Wed, 03 Oct 2018 16:00:00 CDT Multiple Vulnerabilities in Cisco Identity Services Engine

Multiple vulnerabilities in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to execute arbitrary commands on the underlying operating system of an affected device with the privileges of the web server.

For more information about these vulnerabilities, see the Details section of this security advisory.

There are no workarounds that address these vulnerabilities.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-ise-mult-vulns


Security Impact Rating: Medium
CVE: CVE-2018-15424,CVE-2018-15425
 Wed, 03 Oct 2018 16:00:00 CDT Cisco IOS XR Software Border Gateway Protocol Denial of Service Vulnerability

A vulnerability in the implementation of Border Gateway Protocol (BGP) functionality in Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition.

The vulnerability is due to incorrect processing of certain BGP update messages. An attacker could exploit this vulnerability by sending BGP update messages that include a specific, malformed attribute to be processed by an affected system. A successful exploit could allow the attacker to cause the BGP process to restart unexpectedly, resulting in a DoS condition.

The Cisco implementation of BGP accepts incoming BGP traffic only from explicitly defined peers. To exploit this vulnerability, the malicious BGP update message would need to come from a configured, valid BGP peer, or would need to be injected by the attacker into the victim's BGP network on an existing, valid TCP connection to a BGP peer.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-iosxr-dos


Security Impact Rating: Medium
CVE: CVE-2018-15428
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Industrial Network Director DHCP Request Processing Denial of Service Vulnerability

A vulnerability in the DHCP service of Cisco Industrial Network Director could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition.

The vulnerability is due to improper handling of DHCP lease requests. An attacker could exploit this vulnerability by sending malicious DHCP lease requests to an affected application. A successful exploit could allow the attacker to cause the DHCP service to terminate, resulting in a DoS condition.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-ind-dos


Security Impact Rating: Medium
CVE: CVE-2018-15392
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Industrial Network Director Cross-Site Request Forgery Vulnerability

A vulnerability in the web-based management interface of Cisco Industrial Network Director could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected device.

The vulnerability is due to insufficient CSRF protections for the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to follow a malicious, customized link. A successful exploit could allow the attacker to perform arbitrary actions on the affected device via a web browser and with the privileges of the user.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-ind-csrf


Security Impact Rating: Medium
CVE: CVE-2018-0446
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Integrated Management Controller Supervisor and Cisco UCS Director Authenticated Web Interface Information Disclosure Vulnerability

A vulnerability in the web interface for specific feature sets of Cisco Integrated Management Controller (IMC) Supervisor and Cisco UCS Director could allow an authenticated, remote attacker to access sensitive information.

The vulnerability is due to an authorization check that does not properly include the access level of the web interface user. An attacker who has valid application credentials could exploit this vulnerability by sending a crafted HTTP request to the web interface. A successful exploit could allow the attacker to view sensitive information that belongs to other users. The attacker could then use this information to conduct additional reconnaissance attacks.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-imcs-ucsd-id


Security Impact Rating: Medium
CVE: CVE-2018-15405
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Integrated Management Controller Supervisor and Cisco UCS Director System Resources Denial of Service Vulnerability

A vulnerability in the web interface of Cisco Integrated Management Controller (IMC) Supervisor and Cisco UCS Director could allow an authenticated, remote attacker to cause a denial of service (DoS) condition on an affected system.

The vulnerability is due to insufficient restrictions on the size or total amount of resources allowed via the web interface. An attacker who has valid credentials for the application could exploit this vulnerability by sending a crafted or malformed HTTP request to the web interface. A successful exploit could allow the attacker to cause oversubscription of system resources or cause a component to become unresponsive, resulting in a DoS condition.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-imcs-ucsd-dos


Security Impact Rating: Medium
CVE: CVE-2018-15404
 Wed, 03 Oct 2018 16:00:00 CDT Cisco HyperFlex HX Data Platform Software Unauthorized Directory Access Vulnerability

A vulnerability in the web-based UI of Cisco HyperFlex HX Data Platform Software could allow an unauthenticated, remote attacker to access sensitive information on an affected system.

The vulnerability is due to a lack of proper input and authorization of HTTP requests. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based UI of an affected system. A successful exploit could allow the attacker to access files that may contain sensitive data.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hyperflex-uda


Security Impact Rating: Medium
CVE: CVE-2018-15429
 Wed, 03 Oct 2018 16:00:00 CDT Cisco HyperFlex Software Static Signing Key Vulnerability

A vulnerability in Cisco HyperFlex Software could allow an unauthenticated, remote attacker to generate valid, signed session tokens.

The vulnerability is due to a static signing key that is present in all Cisco HyperFlex systems. An attacker could exploit this vulnerability by accessing the static signing key from one HyperFlex system and using it to generate valid, signed session tokens for another HyperFlex system. A successful exploit could allow the attacker to access the HyperFlex Web UI of a system for which they are not authorized.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hyperflex-secret


Security Impact Rating: High
CVE: CVE-2018-15382
 Wed, 03 Oct 2018 16:00:00 CDT Cisco HyperFlex World-Readable Sensitive Information Vulnerability

A vulnerability in the installation process of Cisco HyperFlex Software could allow an authenticated, local attacker to read sensitive information.

The vulnerability is due to insufficient cleanup of installation files. An attacker could exploit this vulnerability by accessing the residual installation files on an affected system. A successful exploit could allow the attacker to collect sensitive information regarding the configuration of the system.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hyperflex-info


Security Impact Rating: Medium
CVE: CVE-2018-15407
 Wed, 03 Oct 2018 16:00:00 CDT Cisco HyperFlex UI Clickjacking Vulnerability

A vulnerability in the web UI of Cisco HyperFlex Software could allow an unauthenticated, remote attacker to affect the integrity of a device via a clickjacking attack.

The vulnerability is due to insufficient input validation of iFrame data in HTTP requests that are sent to an affected device. An attacker could exploit this vulnerability by sending crafted HTTP packets with malicious iFrame data. A successful exploit could allow the attacker to perform a clickjacking attack where the user is tricked into clicking a malicious link.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hyperflex-clickjacking


Security Impact Rating: Medium
CVE: CVE-2018-15423
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Hosted Collaboration Mediation Fulfillment Cross-Site Request Forgery Vulnerability

A vulnerability in the web-based management interface of Cisco Hosted Collaboration Mediation Fulfillment could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected system.

The vulnerability is due to insufficient CSRF protections for the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to follow a malicious link. A successful exploit could allow the attacker to perform arbitrary actions on an affected system via a web browser and with the privileges of the user.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-hcmf-csrf


Security Impact Rating: Medium
CVE: CVE-2018-15401
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Firepower Threat Defense Software FTP Inspection Denial of Service Vulnerability

A vulnerability in the FTP inspection engine of Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition.

The vulnerability exists because the affected software fails to release spinlocks when a device is running low on system memory, if the software is configured to apply FTP inspection and an access control rule to transit traffic, and the access control rule is associated with an FTP file policy. An attacker could exploit this vulnerability by sending a high rate of transit traffic through an affected device to cause a low-memory condition on the device. A successful exploit could allow the attacker to cause a software panic on the affected device, which could cause the device to reload and result in a temporary DoS condition.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-ftd-inspect-dos


Security Impact Rating: High
CVE: CVE-2018-15390
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Firepower System Software Detection Engine Denial of Service Vulnerability

A vulnerability in the Server Message Block Version 2 (SMBv2) and Version 3 (SMBv3) protocol implementation for the Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause the device to run low on system memory, possibly preventing the device from forwarding traffic. It is also possible that a manual reload of the device may be required to clear the condition.

The vulnerability is due to incorrect SMB header validation. An attacker could exploit this vulnerability by sending a custom SMB file transfer through the targeted device. A successful exploit could cause the device to consume an excessive amount of system memory and prevent the SNORT process from forwarding network traffic. This vulnerability can be exploited using either IPv4 or IPv6 in combination with SMBv2 or SMBv3 network traffic.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-fp-smb-snort


Security Impact Rating: High
CVE: CVE-2018-0455
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Firepower Management Center and Firepower System Software Sourcefire Tunnel Control Channel Command Execution Vulnerability
A vulnerability in the Sourcefire tunnel control channel protocol in Cisco Firepower System Software running on Cisco Firepower Threat Defense (FTD) sensors could allow an authenticated, local attacker to execute specific CLI commands with root privileges on the Cisco Firepower Management Center (FMC), or through Cisco FMC on other Firepower sensors and devices that are controlled by the same Cisco FMC. To send the commands, the attacker must have root privileges for at least one affected sensor or the Cisco FMC.

The vulnerability exists because the affected software performs insufficient checks for certain CLI commands, if the commands are executed via a Sourcefire tunnel connection. An attacker could exploit this vulnerability by authenticating with root privileges to a Firepower sensor or Cisco FMC, and then sending specific CLI commands to the Cisco FMC or through the Cisco FMC to another Firepower sensor via the Sourcefire tunnel connection. A successful exploit could allow the attacker to modify device configurations or delete files on the device that is running Cisco FMC Software or on any Firepower device that is managed by Cisco FMC.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-fp-cmd-injection
Security Impact Rating: Medium
CVE: CVE-2018-0453
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Expressway Series and Cisco TelePresence Video Communication Server Remote Code Execution Vulnerability

A vulnerability in the administrative web interface of Cisco Expressway Series and Cisco TelePresence Video Communication Server (VCS) could allow an authenticated, remote attacker to execute code with user-level privileges on the underlying operating system.

The vulnerability is due to insufficient validation of the content of upgrade packages. An attacker could exploit this vulnerability by uploading a malicious archive to the Upgrade page of the administrative web interface. A successful exploit could allow the attacker to execute code with user-level privileges on the underlying operating system.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-express-vcs-rce


Security Impact Rating: Medium
CVE: CVE-2018-15430
 Wed, 03 Oct 2018 16:00:00 CDT Multiple Cisco Unified Communications Products Open Redirect Vulnerability

A vulnerability in the web interface of Cisco Emergency Responder, Cisco Unified Communications Manager, Cisco Unified Communications Manager IM & Presence Service, and Cisco Unity Connection could allow an authenticated, remote attacker to redirect a user to a malicious web page.

The vulnerability is due to improper input validation of the parameters of an HTTP request. An attacker could exploit this vulnerability by crafting an HTTP request that causes the web interface to redirect a request to a specific malicious URL. This type of vulnerability is known as an open redirect attack and is used in phishing attacks that get users to unknowingly visit malicious sites.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-er-ucm-redirect


Security Impact Rating: Medium
CVE: CVE-2018-15403
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Digital Network Architecture Center Unauthenticated Access Vulnerability

A vulnerability in Cisco Digital Network Architecture (DNA) Center could allow an unauthenticated, remote attacker to bypass authentication and have direct unauthorized access to critical management functions.

The vulnerability is due to an insecure default configuration of the affected system. An attacker could exploit this vulnerability by directly connecting to the exposed services. An exploit could allow the attacker to retrieve and modify critical system files.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-dna-unauth-access


Security Impact Rating: Critical
CVE: CVE-2018-15386
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Digital Network Architecture Center Authentication Bypass Vulnerability

A vulnerability in the identity management service of Cisco Digital Network Architecture (DNA) Center could allow an unauthenticated, remote attacker to bypass authentication and take complete control of identity management functions.

The vulnerability is due to insufficient security restrictions for critical management functions. An attacker could exploit this vulnerability by sending a valid identity management request to the affected system. An exploit could allow the attacker to view and make unauthorized modifications to existing system users as well as create new users.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-dna-auth-bypass


Security Impact Rating: Critical
CVE: CVE-2018-0448
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Cloud Services Platform 2100 Cross-Site Scripting Vulnerability

A vulnerability in the web-based management interface of Cisco Cloud Services Platform 2100 could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of an affected device.

The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface. An attacker could exploit this vulnerability by persuading a user of the interface to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the interface or allow the attacker to access sensitive, browser-based information.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-csp-xss


Security Impact Rating: Medium
CVE: CVE-2018-15400
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Prime Collaboration Provisioning Intermittent Hard-Coded Password Vulnerability

A vulnerability in the install function of Cisco Prime Collaboration Provisioning (PCP) could allow an unauthenticated, remote attacker to access the administrative web interface using a default hard-coded username and password that are used during install.

The vulnerability is due to a hard-coded password that, in some cases, is not replaced with a unique password. A successful exploit could allow the attacker to access the administrative web interface with administrator-level privileges.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-cpcp-password


Security Impact Rating: High
CVE: CVE-2018-15389
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Adaptive Security Appliance TCP Syslog Denial of Service Vulnerability

A vulnerability in the TCP syslog module of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to exhaust the 1550-byte buffers on an affected device, resulting in a denial of service (DoS) condition.

The vulnerability is due to a missing boundary check in an internal function. An attacker could exploit this vulnerability by establishing a man-in-the-middle position between an affected device and its configured TCP syslog server and then maliciously modifying the TCP header in segments that are sent from the syslog server to the affected device. A successful exploit could allow the attacker to exhaust buffer on the affected device and cause all TCP-based features to stop functioning, resulting in a DoS condition. The affected TCP-based features include AnyConnect SSL VPN, clientless SSL VPN, and management connections such as Secure Shell (SSH), Telnet, and HTTPS.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-syslog-dos


Security Impact Rating: Medium
CVE: CVE-2018-15399
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Adaptive Security Appliance IPsec VPN Denial of Service Vulnerability

A vulnerability in the implementation of Traffic Flow Confidentiality (TFC) over IPsec functionality in Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to restart unexpectedly, resulting in a denial of service (DoS) condition.

The vulnerability is due to an error that may occur if the affected software renegotiates the encryption key for an IPsec tunnel when certain TFC traffic is in flight. An attacker could exploit this vulnerability by sending a malicious stream of TFC traffic through an established IPsec tunnel on an affected device. A successful exploit could allow the attacker to cause a daemon process on the affected device to crash, which could cause the device to crash and result in a DoS condition.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-ipsec-dos


Security Impact Rating: Medium
CVE: CVE-2018-15397
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Adaptive Security Appliance Direct Memory Access Denial of Service Vulnerability

A vulnerability in the cryptographic hardware accelerator driver of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a temporary denial of service (DoS) condition.

The vulnerability exists because the affected devices have a limited amount of Direct Memory Access (DMA) memory and the affected software improperly handles resources in low-memory conditions. An attacker could exploit this vulnerability by sending a sustained, high rate of malicious traffic to an affected device to exhaust memory on the device. A successful exploit could allow the attacker to exhaust DMA memory on the affected device, which could cause the device to reload and result in a temporary DoS condition.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-dma-dos


Security Impact Rating: High
CVE: CVE-2018-15383
 Wed, 03 Oct 2018 16:00:00 CDT Cisco Adaptive Security Appliance Access Control List Bypass Vulnerability

A vulnerability in the per-user-override feature of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass an access control list (ACL) that is configured for an interface of an affected device.

The vulnerability is due to errors that could occur when the affected software constructs and applies per-user-override rules. An attacker could exploit this vulnerability by connecting to a network through an affected device that has a vulnerable configuration. A successful exploit could allow the attacker to access resources that are behind the affected device and would typically be protected by the interface ACL.

There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181003-asa-acl-bypass


Security Impact Rating: Medium
CVE: CVE-2018-15398

powered by zFeeder

Reload this page to check for the most recent news updates.

Please read our legal disclaimer for the use of this information.

Stay Secure
Axiom understands how vital the security of your data is to your organization. Please don't hesitate to contact us if you would like a professional assessment of your network infrastructure.
Home Axiom Advisor Security Bulletins