var-201110-0168
Vulnerability from variot

Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su4, 8.x before 8.5(1)su2, and 8.6 before 8.6(1) allows remote attackers to cause a denial of service (memory consumption and device reload or process failure) via a malformed SIP message, aka Bug IDs CSCtl86047 and CSCto88686. Cisco IOS and Unified Communications Manager are prone to a denial-of-service vulnerability. An attacker can exploit this issue to cause an interruption in voice services or cause the affected device to reload, denying service to legitimate users. This issue is tracked by Cisco Bug IDs CSCtl86047 and CSCto8868. Cisco's Internet Operating System (IOS) is a complex operating system optimized for Internet interconnection. The data flow interaction function DLSw can realize the transmission of IBM SNA and network BIOS traffic on the IP network. ----------------------------------------------------------------------

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TITLE: Cisco IOS SIP Packet Processing Multiple Denial of Service Vulnerabilities

SECUNIA ADVISORY ID: SA46197

VERIFY ADVISORY: Secunia.com http://secunia.com/advisories/46197/ Customer Area (Credentials Required) https://ca.secunia.com/?page=viewadvisory&vuln_id=46197

RELEASE DATE: 2011-09-29

DISCUSS ADVISORY: http://secunia.com/advisories/46197/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA: * Last Update * Popularity * Comments * Criticality Level * Impact * Where * Solution Status * Operating System / Software * CVE Reference(s)

http://secunia.com/advisories/46197/

ONLY AVAILABLE IN CUSTOMER AREA: * Authentication Level * Report Reliability * Secunia PoC * Secunia Analysis * Systems Affected * Approve Distribution * Remediation Status * Secunia CVSS Score * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=46197

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DESCRIPTION: Multiple vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious people to cause a DoS (Denial of Service).

1) An unspecified error when processing certain Session Initiation Protocol (SIP) packets can be exploited to reload a device.

2) A memory leak error when processing certain Session Initiation Protocol (SIP) packets can be exploited to reload a device.

For more information: SA46226

Please see the vendor's advisory for a list of affected versions.

SOLUTION: Update to a fixed version (please see the vendor's advisory for details).

PROVIDED AND/OR DISCOVERED BY: Reported by the vendor.

ORIGINAL ADVISORY: http://www.cisco.com/warp/public/707/cisco-sa-20110928-sip.shtml

OTHER REFERENCES: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/

DEEP LINKS: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/

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EXTENDED SOLUTION: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/

EXPLOIT: Further details available in Customer Area: http://secunia.com/vulnerability_intelligence/

About: This Advisory was delivered by Secunia as a free service to help private users keeping their systems up to date against the latest vulnerabilities.

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Ovum says ad hoc tools are out-dated. The best practice approach? Fast vulnerability intelligence, threat handling, and setup in one tool. A workaround exists for this SIP vulnerability.

Details

Cisco Unified Communications Manager is the call processing component of the Cisco IP Telephony solution that extends enterprise telephony features and functions to packet telephony network devices, such as IP phones, media processing devices, VoIP gateways, and multimedia applications. Continued exploitation of the vulnerability may cause a critical process to fail, which could result in the disruption of voice services. Use the following instructions to disable SIP processing:

  • Step 1: Log in to the Cisco Unified CM Administration web interface.

  • Step 3: Change the SIP Interoperability Enabled parameter to False and click "Save".

    Note: For a SIP processing change to take effect, the Cisco CallManager Service must be restarted. For information on how to restart the service, refer to the "Restarting the Cisco CallManager Service" section of the document at http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/7_1_2/ccmcfg/b03dpi.html#wp1075124

    It is possible to mitigate this vulnerability by implementing filtering on screening devices and permitting access to TCP ports 5060 and 5061 and UDP ports 5060 and 5061 only from networks that require SIP access to Cisco Unified Communications Manager servers. Affected devices would need to be configured to process SIP messages for these vulnerabilities to be exploitable.

Cisco has released free software updates that address these vulnerabilities. There are no workarounds for devices that must run SIP; however, mitigations are available to limit exposure to the vulnerabilities.

This advisory is posted at http://www.cisco.com/warp/public/707/cisco-sa-20110928-sip.shtml.

Note: The September 28, 2011, Cisco IOS Software Security Advisory bundled publication includes ten Cisco Security Advisories. Each advisory lists the Cisco IOS Software releases that correct the vulnerability or vulnerabilities detailed in the advisory as well as the Cisco IOS Software releases that correct all vulnerabilities in the September 2011 Bundled Publication.

Individual publication links are in "Cisco Event Response: Semiannual Cisco IOS Software Security Advisory Bundled Publication" at the following link:

http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep11.html

Cisco Unified Communications Manager (CUCM) is affected by one of the vulnerabilities described in this advisory.

Recent versions of Cisco IOS Software do not process SIP messages by default. Creating a dial peer by issuing the "dial-peer voice" configuration command will start the SIP processes, causing the Cisco IOS device to process SIP messages. In addition, several features in Cisco Unified Communications Manager Express, such as ephones, will automatically start the SIP process when they are configured, which could cause the affected device to start processing SIP messages. An example of an affected configuration follows:

dial-peer voice <Voice dial-peer tag> voip
 ... 
!

In addition to inspecting the Cisco IOS device configuration for a "dial-peer" command that causes the device to process SIP messages, administrators can also use the "show processes | include SIP" command to determine whether Cisco IOS Software is running the processes that handle SIP messages. In the following example, the presence of the processes CCSIP_UDP_SOCKET or CCSIP_TCP_SOCKET indicates that the Cisco IOS device will process SIP messages:

Router# show processes | include SIP
 149 Mwe 40F48254            4          1    400023108/24000  0 CCSIP_UDP_SOCKET
 150 Mwe 40F48034            4          1    400023388/24000  0 CCSIP_TCP_SOCKET

Note: Because there are several ways a device running Cisco IOS Software can start processing SIP messages, the "show processes | include SIP" command should be used to determine whether the device is processing SIP messages instead of relying on the presence of specific configuration commands.

Cisco Unified Border Element images are also affected by two of these vulnerabilities.

Note: The Cisco Unified Border Element feature (previously known as the Cisco Multiservice IP-to-IP Gateway) is a special Cisco IOS Software image that runs on Cisco multiservice gateway platforms. This feature provides a network-to-network interface point for billing, security, call admission control, quality of service, and signaling interworking.

To determine the Cisco IOS Software release that is running on a Cisco product, administrators can log in to the device and issue the "show version" command to display the system banner. The system banner confirms that the device is running Cisco IOS Software by displaying text similar to "Cisco Internetwork Operating System Software" or "Cisco IOS Software." The image name displays in parentheses, followed by "Version" and the Cisco IOS Software release name. Other Cisco devices do not have the "show version" command or may provide different output.

The following example identifies a Cisco product that is running Cisco IOS Software Release 15.0(1)M1 with an installed image name of C3900-UNIVERSALK9-M:

Router> show version
Cisco IOS Software, C3900 Software (C3900-UNIVERSALK9-M), Version 15.0(1)M1, RELEASE SOFTWARE (fc1)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc. 
Compiled Wed 02-Dec-09 17:17 by prod_rel_team

!--- output truncated

Additional information about Cisco IOS Software release naming conventions is available in the white paper Cisco IOS and NX-OS Software Reference Guide available at http://www.cisco.com/web/about/security/intelligence/ios-ref.html.

Cisco IOS XE Software is affected by these vulnerabilities.

Cisco IOS XR Software is not affected by these vulnerabilities.

No other Cisco products are currently known to be affected by these vulnerabilities.

Details

SIP is a popular signaling protocol that is used to manage voice and video calls across IP networks such as the Internet. SIP is responsible for handling all aspects of call setup and termination. Voice and video are the most popular types of sessions that SIP handles, but the protocol has the flexibility to accommodate other applications that require call setup and termination. SIP call signaling can use UDP (port 5060), TCP (port 5060), or Transport Layer Security (TLS; TCP port 5061) as the underlying transport protocol. These vulnerabilities are triggered when the device that is running Cisco IOS Software processes crafted SIP messages. Only traffic destined to the device can trigger the vulnerabilities; transit SIP traffic is not an exploit vector.

Note: In cases where SIP is running over TCP transport, a TCP three-way handshake is necessary to exploit these vulnerabilities. This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID CVE-2011-0939.

CSCti48504 may cause memory leaks. This vulnerability has been assigned CVE ID CVE-2011-3275.

CSCto88686 may cause memory leaks or reloads of affected devices. This vulnerability has been assigned CVE ID CVE-2011-2072.

Vulnerability Scoring Details

Cisco has provided scores for the vulnerabilities in this advisory based on the Common Vulnerability Scoring System (CVSS). The CVSS scoring in this Security Advisory is done in accordance with CVSS version 2.0.

CVSS is a standards-based scoring method that conveys vulnerability severity and helps determine urgency and priority of response.

Cisco has provided a base and temporal score. Customers can then compute environmental scores to assist in determining the impact of the vulnerability in individual networks.

Cisco has provided an FAQ to answer additional questions regarding CVSS at:

http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html

Cisco has also provided a CVSS calculator to help compute the environmental impact for individual networks at

http://intellishield.cisco.com/security/alertmanager/cvss

Note that all vulnerabilities in this advisory (CSCth03022, CSCti48504, and CSCto88686) have been scored in an identical manner, assuming a complete denial of service (DoS) condition.

  • CSCth03022, CSCti48504, CSCto88686

CVSS Base Score - 7.8 Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - None Integrity Impact - None Availability Impact - Complete

CVSS Temporal Score - 6.4 Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed

Impact

Successful exploitation of the vulnerabilities in this advisory may result in system instabilities or a reload of an affected device. Repeated exploitation could result in a sustained DoS condition.

Software Versions and Fixes

When considering software upgrades, also consult http://www.cisco.com/go/psirt and any subsequent advisories to determine exposure and a complete upgrade solution.

In all cases, customers should exercise caution to be certain the devices to be upgraded contain sufficient memory and that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, contact the Cisco Technical Assistance Center (TAC) or your contracted maintenance provider for assistance.

Additionally, the Cisco IOS Software Checker is available on the Cisco Security Intelligence Operations (SIO) portal at http://tools.cisco.com/security/center/selectIOSVersion.x. It provides several features for checking which Security Advisories affect specified versions of Cisco IOS Software.

Cisco IOS Software +-----------------

Each row of the following Cisco IOS Software table corresponds to a Cisco IOS Software train. If a particular train is vulnerable, the earliest releases that contain the fix are listed in the First Fixed Release For This Advisory column. The First Fixed Release for All Advisories in the September 2011 Bundled Publication column lists the earliest possible releases that correct all the published vulnerabilities in the Cisco IOS Software Security Advisory bundled publication. Cisco recommends upgrading to the latest available release, where possible.

+------------------------------------------------------------+ | Major | Availability of Repaired Releases | | Release | | |------------+-----------------------------------------------| | Affected | | First Fixed Release | | 12.0-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------------------------------------------------------| | There are no affected 12.0 based releases | |------------------------------------------------------------| | Affected | | First Fixed Release | | 12.1-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.1E | Not vulnerable | fixed in Release | | | | 12.2SXF | |------------+-----------------------+-----------------------| | Affected | | First Fixed Release | | 12.2-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------+-----------------------+-----------------------| | 12.2 | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2B | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2BC | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2BW | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2BX | Not vulnerable | fixed in Release | | | | 12.2SB | |------------+-----------------------+-----------------------| | 12.2BY | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2BZ | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2CX | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2CY | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2CZ | Not vulnerable | fixed in Release | | | | 12.2SB | |------------+-----------------------+-----------------------| | 12.2DA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2DD | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2DX | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2EU | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Releases up to and | | 12.2EW | Not vulnerable | including 12.2(20)EW4 | | | | are not vulnerable. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2EWA | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2EX | Not vulnerable | 12.2(55)EX3 | |------------+-----------------------+-----------------------| | 12.2EY | Not vulnerable | 12.2(58)EY | |------------+-----------------------+-----------------------| | | | Vulnerable; migrate | | 12.2EZ | Not vulnerable | to any release in | | | | 15.0SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2FX | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2FY | Not vulnerable | fixed in Release | | | | 12.2EX | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2FZ | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Vulnerable; migrate | | 12.2IRA | Not vulnerable | to any release in | | | | 12.2IRG | |------------+-----------------------+-----------------------| | | | Vulnerable; migrate | | 12.2IRB | Not vulnerable | to any release in | | | | 12.2IRG | |------------+-----------------------+-----------------------| | | | Vulnerable; migrate | | 12.2IRC | Not vulnerable | to any release in | | | | 12.2IRG | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IRD | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IRE | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; migrate | | 12.2IRF | Not vulnerable | to any release in | | | | 12.2IRG | |------------+-----------------------+-----------------------| | 12.2IRG | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXA | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXB | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXC | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXD | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXE | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXF | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXG | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2IXH | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2JA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2JK | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2MB | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2MC | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2MRA | Not vulnerable | fixed in Release | | | | 12.2SRD | |------------+-----------------------+-----------------------| | 12.2MRB | Not vulnerable | 12.2(33)MRB5 | |------------+-----------------------+-----------------------| | | | Releases prior to | | | | 12.2(30)S are | | | | vulnerable; Releases | | 12.2S | Not vulnerable | 12.2(30)S and later | | | | are not vulnerable. | | | | First fixed in | | | | Release 12.2SB | |------------+-----------------------+-----------------------| | 12.2SB | Not vulnerable | 12.2(31)SB2012.2(33) | | | | SB10 | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SBC | Not vulnerable | fixed in Release | | | | 12.2SB | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SCA | Not vulnerable | fixed in Release | | | | 12.2SCC | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SCB | Not vulnerable | fixed in Release | | | | 12.2SCC | |------------+-----------------------+-----------------------| | 12.2SCC | Not vulnerable | 12.2(33)SCC7 | |------------+-----------------------+-----------------------| | 12.2SCD | Not vulnerable | 12.2(33)SCD6 | |------------+-----------------------+-----------------------| | 12.2SCE | Not vulnerable | 12.2(33)SCE112.2(33) | | | | SCE2 | |------------+-----------------------+-----------------------| | 12.2SCF | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2SE | Not vulnerable | 12.2(55)SE312.2(58)SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SEA | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SEB | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SEC | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SED | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SEE | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SEF | Not vulnerable | fixed in Release | | | | 12.2SE | |------------+-----------------------+-----------------------| | | | Releases prior to | | | | 12.2(25)SEG4 are | | | | vulnerable; Releases | | 12.2SEG | Not vulnerable | 12.2(25)SEG4 and | | | | later are not | | | | vulnerable. First | | | | fixed in Release | | | | 12.2EX | |------------+-----------------------+-----------------------| | | | Releases prior to | | | | 12.2(53)SG4 are | | 12.2SG | Not vulnerable | vulnerable; Releases | | | | 12.2(53)SG4 and later | | | | are not vulnerable. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2SGA | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2SL | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2SM | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2SO | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2SQ | Not vulnerable | 12.2(50)SQ3 | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SRA | Not vulnerable | fixed in Release | | | | 12.2SRD | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SRB | Not vulnerable | fixed in Release | | | | 12.2SRD | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SRC | Not vulnerable | fixed in Release | | | | 12.2SRD | |------------+-----------------------+-----------------------| | 12.2SRD | Not vulnerable | 12.2(33)SRD6 | |------------+-----------------------+-----------------------| | 12.2SRE | Not vulnerable | 12.2(33)SRE4 | |------------+-----------------------+-----------------------| | 12.2STE | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2SU | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | | | Releases prior to | | | | 12.2(29a)SV are | | | | vulnerable; Releases | | 12.2SV | Not vulnerable | 12.2(29a)SV and later | | | | are not vulnerable. | | | | Migrate to any | | | | release in 12.2SVD | |------------+-----------------------+-----------------------| | 12.2SVA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2SVC | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2SVD | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2SVE | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2SW | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SX | Not vulnerable | fixed in Release | | | | 12.2SXF | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SXA | Not vulnerable | fixed in Release | | | | 12.2SXF | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SXB | Not vulnerable | fixed in Release | | | | 12.2SXF | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SXD | Not vulnerable | fixed in Release | | | | 12.2SXF | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SXE | Not vulnerable | fixed in Release | | | | 12.2SXF | |------------+-----------------------+-----------------------| | 12.2SXF | Not vulnerable | 12.2(18)SXF17b | |------------+-----------------------+-----------------------| | 12.2SXH | Not vulnerable | 12.2(33)SXH8a | |------------+-----------------------+-----------------------| | 12.2SXI | Not vulnerable | 12.2(33)SXI6 | |------------+-----------------------+-----------------------| | 12.2SXJ | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2SY | Not vulnerable | 12.2(50)SY | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2SZ | Not vulnerable | fixed in Release | | | | 12.2SB | |------------+-----------------------+-----------------------| | 12.2T | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2TPC | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2XA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XB | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2XC | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XD | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XE | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XF | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XG | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XH | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XI | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XJ | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XK | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XL | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XM | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XN | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XNA | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | 12.2XNB | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | 12.2XNC | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | 12.2XND | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | 12.2XNE | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | 12.2XNF | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | | | Releases prior to | | | | 12.2(54)XO are | | 12.2XO | Not vulnerable | vulnerable; Releases | | | | 12.2(54)XO and later | | | | are not vulnerable. | |------------+-----------------------+-----------------------| | 12.2XQ | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XR | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XS | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XT | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XU | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XV | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2XW | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2YA | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2YB | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2YC | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2YD | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2YE | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YF | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YG | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YH | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YJ | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2YK | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YL | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2YM | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YN | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2YO | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2YP | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YQ | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YR | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YS | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YT | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YU | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YV | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YW | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YX | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YY | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2YZ | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2ZA | Not vulnerable | fixed in Release | | | | 12.2SXF | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2ZB | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2ZC | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2ZD | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2ZE | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2ZF | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2ZG | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.2ZH | Not vulnerable | Vulnerable; First | | | | fixed in Release 12.4 | |------------+-----------------------+-----------------------| | 12.2ZJ | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2ZL | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 12.2ZP | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.2ZU | Not vulnerable | fixed in Release | | | | 12.2SXH | |------------+-----------------------+-----------------------| | 12.2ZX | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2ZY | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.2ZYA | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | Affected | | First Fixed Release | | 12.3-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------------------------------------------------------| | There are no affected 12.3 based releases | |------------------------------------------------------------| | Affected | | First Fixed Release | | 12.4-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------+-----------------------+-----------------------| | 12.4 | Not vulnerable | 12.4(25f) | |------------+-----------------------+-----------------------| | 12.4GC | 12.4(24)GC4 | 12.4(24)GC4 | |------------+-----------------------+-----------------------| | 12.4JA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JAX | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JDA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JDC | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JHA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JHB | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JHC | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JK | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JL | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JMA | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4JMB | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | | Vulnerable; migrate | | | | to any release in | | | | 12.4JA | | 12.4JX | Not vulnerable | | | | | Releases up to and | | | | including 12.4(21a)JX | | | | are not vulnerable. | |------------+-----------------------+-----------------------| | 12.4JY | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | 12.4MD | Not vulnerable | 12.4(24)MD6 on | | | | 28-Oct-2011 | |------------+-----------------------+-----------------------| | 12.4MDA | Not vulnerable | 12.4(24)MDA7 | |------------+-----------------------+-----------------------| | 12.4MDB | Not vulnerable | 12.4(24)MDB3 | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | Releases up to and | organization per the | | 12.4MR | including 12.4(6)MR1 | instructions in the | | | are not vulnerable. | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | Vulnerable; contact | Vulnerable; contact | | | your support | your support | | | organization per the | organization per the | | 12.4MRA | instructions in | instructions in the | | | Obtaining Fixed | Obtaining Fixed | | | Software section of | Software section of | | | this advisory. | this advisory. | |------------+-----------------------+-----------------------| | | Vulnerable; First | Vulnerable; First | | 12.4MRB | fixed in Release | fixed in Release | | | 12.4T | 12.4T | |------------+-----------------------+-----------------------| | 12.4SW | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | 12.4(24)T6 | 12.4(24)T6 | | 12.4T | | | | | 12.4(15)T16 | 12.4(15)T16 | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.4XA | Not vulnerable | fixed in Release | | | | 12.4T | |------------+-----------------------+-----------------------| | 12.4XB | Not vulnerable | 12.4(2)XB12 | |------------+-----------------------+-----------------------| | | Vulnerable; First | | | 12.4XC | Fixed in Release | Not vulnerable | | | 12.4T | | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.4XD | Not vulnerable | fixed in Release | | | | 12.4T | |------------+-----------------------+-----------------------| | | Not vulnerable | | | | | | | 12.4XE | Vulnerable; First | Not vulnerable | | | Fixed in Release | | | | 12.4T | | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.4XF | Not vulnerable | fixed in Release | | | | 12.4T | |------------+-----------------------+-----------------------| | | Releases up to and | | | | including 12.4(9)XG1 | | | | are not vulnerable. | | | | | Vulnerable; First | | 12.4XG | Releases 12.4(9)XG3 | fixed in Release | | | and later are not | 12.4T | | | vulnerable. First | | | | fixed in Release | | | | 12.4T | | |------------+-----------------------+-----------------------| | | Not vulnerable | | | | | | | 12.4XJ | Vulnerable; First | Not vulnerable | | | Fixed in Release | | | | 12.4T | | |------------+-----------------------+-----------------------| | 12.4XK | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | Vulnerable; contact | Vulnerable; contact | | | your support | your support | | | organization per the | organization per the | | 12.4XL | instructions in the | instructions in the | | | Obtaining Fixed | Obtaining Fixed | | | Software section of | Software section of | | | this advisory. | this advisory. | |------------+-----------------------+-----------------------| | | Releases up to and | | | | including 12.4(15)XM | | | | are not vulnerable. | | | | | Vulnerable; First | | 12.4XM | Releases 12.4(15)XM3 | fixed in Release | | | and later are not | 12.4T | | | vulnerable. First | | | | fixed in Release | | | | 12.4T | | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.4XN | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.4XP | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.4XQ | Not vulnerable | fixed in Release | | | | 12.4T | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.4XR | Not vulnerable | fixed in Release | | | | 12.4T | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 12.4XT | Not vulnerable | fixed in Release | | | | 12.4T | |------------+-----------------------+-----------------------| | 12.4XV | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | Vulnerable; First | Vulnerable; First | | 12.4XW | fixed in Release | fixed in Release | | | 12.4T | 12.4T | |------------+-----------------------+-----------------------| | | Vulnerable; First | Vulnerable; First | | 12.4XY | fixed in Release | fixed in Release | | | 12.4T | 12.4T | |------------+-----------------------+-----------------------| | | Vulnerable; First | Vulnerable; First | | 12.4XZ | fixed in Release | fixed in Release | | | 12.4T | 12.4T | |------------+-----------------------+-----------------------| | | Vulnerable; First | Vulnerable; First | | 12.4YA | fixed in Release | fixed in Release | | | 12.4T | 12.4T | |------------+-----------------------+-----------------------| | | Vulnerable; contact | Vulnerable; contact | | | your support | your support | | | organization per the | organization per the | | 12.4YB | instructions in | instructions in the | | | Obtaining Fixed | Obtaining Fixed | | | Software section of | Software section of | | | this advisory. | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.4YD | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; fixed in | | | | 12.4(22)YE6 on | | 12.4YE | Not vulnerable | 30-Sept-2011; 12.4 | | | | (24)YE7 available on | | | | 17-Oct-2011 | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 12.4YG | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | Affected | | First Fixed Release | | 15.0-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------+-----------------------+-----------------------| | 15.0M | 15.0(1)M7 | 15.0(1)M7 | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 15.0MR | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 15.0MRA | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | Not vulnerable | 15.0(1)S4 | | | | | | 15.0S | Cisco IOS XE devices: | Cisco IOS XE devices: | | | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 15.0SA | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | 15.0SE | Not vulnerable | Not vulnerable | |------------+-----------------------+-----------------------| | | Cisco IOS XE devices: | Cisco IOS XE devices: | | 15.0SG | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | | Vulnerable; First | Vulnerable; First | | 15.0XA | fixed in Release | fixed in Release | | | 15.1T | 15.1T | |------------+-----------------------+-----------------------| | | Cisco IOS XE devices: | Cisco IOS XE devices: | | 15.0XO | See Cisco IOS-XE | See Cisco IOS-XE | | | Software Availability | Software Availability | |------------+-----------------------+-----------------------| | Affected | | First Fixed Release | | 15.1-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 15.1EY | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | Vulnerable; First | Vulnerable; First | | 15.1GC | fixed in Release | fixed in Release | | | 15.1T | 15.1T | |------------+-----------------------+-----------------------| | 15.1M | 15.1(4)M1 | 15.1(4)M2; Available | | | | on 30-SEP-11 | |------------+-----------------------+-----------------------| | | | Vulnerable; contact | | | | your support | | | | organization per the | | 15.1MR | Not vulnerable | instructions in the | | | | Obtaining Fixed | | | | Software section of | | | | this advisory. | |------------+-----------------------+-----------------------| | | | 15.1(2)S2 | | | Not vulnerable | | | | | 15.1(3)S | | 15.1S | Cisco IOS XE devices: | | | | See Cisco IOS-XE | Cisco IOS XE devices: | | | Software Availability | See Cisco IOS-XE | | | | Software Availability | |------------+-----------------------+-----------------------| | | 15.1(2)T4 | 15.1(2)T4 15.1(1)T4 | | 15.1T | | on 8-Dec-2011 | | | 15.1(3)T2 | | |------------+-----------------------+-----------------------| | | | Vulnerable; First | | 15.1XB | 15.1(4)XB5 | fixed in Release | | | | 15.1T | |------------+-----------------------+-----------------------| | Affected | | First Fixed Release | | 15.2-Based | First Fixed Release | for All Advisories in | | Releases | | the September 2011 | | | | Bundled Publication | |------------------------------------------------------------| | There are no affected 15.2 based releases | +------------------------------------------------------------+

Cisco IOS XE Software +--------------------

+------------------------------------------------------------+ | Cisco | First | First Fixed Release for All | | IOS XE | Fixed | Advisories in the September 2011 | | Release | Release | Bundled Publication | |----------+------------+------------------------------------| | 2.1.x | Not | Vulnerable; migrate to 3.3.2S or | | | Vulnerable | later | |----------+------------+------------------------------------| | 2.2.x | Not | Vulnerable; migrate to 3.3.2S or | | | Vulnerable | later | |----------+------------+------------------------------------| | 2.3.x | Not | Vulnerable; migrate to 3.3.2S or | | | Vulnerable | later | |----------+------------+------------------------------------| | 2.4.x | Not | Vulnerable; migrate to 3.3.2S or | | | Vulnerable | later | |----------+------------+------------------------------------| | 2.5.x | 3.1.3S | Vulnerable; migrate to 3.3.2S or | | | | later | |----------+------------+------------------------------------| | 2.6.x | 3.1.3S | Vulnerable; migrate to 3.3.2S or | | | | later | |----------+------------+------------------------------------| | 3.1.xS | 3.1.3S | Vulnerable; migrate to 3.3.2S or | | | | later | |----------+------------+------------------------------------| | 3.1.xSG | Not | Vulnerable; migrate to 3.2.0SG or | | | vulnerable | later | |----------+------------+------------------------------------| | 3.2.xS | 3.2.1S | Vulnerable; migrate to 3.3.2S or | | | | later | |----------+------------+------------------------------------| | 3.2.xSG | Not | Not vulnerable | | | vulnerable | | |----------+------------+------------------------------------| | 3.3.xS | Not | 3.3.2S | | | Vulnerable | | |----------+------------+------------------------------------| | 3.4.xS | Not | Not Vulnerable | | | Vulnerable | | +------------------------------------------------------------+

For mapping of Cisco IOS XE to Cisco IOS releases, please refer to the Cisco IOS XE 2 Release Notes, Cisco IOS XE 3S Release Notes, and Cisco IOS XE 3SG Release Notes.

Cisco IOS XR System Software +---------------------------

Cisco IOS XR Software is not affected by any of the vulnerabilities in the September 2011 bundled publication.

Workarounds

If the affected Cisco IOS device requires SIP for VoIP services, SIP cannot be disabled and no workarounds are available. Users are advised to apply mitigation techniques to help limit exposure to the vulnerabilities. Mitigation consists of allowing only legitimate devices to connect to affected devices. To increase effectiveness, the mitigation must be coupled with measures against spoofing on the network edge. This action is required because SIP can use UDP as the transport protocol.

Additional mitigations that can be deployed on Cisco devices within the network are available in the companion document "Cisco Applied Mitigation Bulletin:Identifying and Mitigating Exploitation of the Multiple Vulnerabilities in Cisco Voice Products" at the following location: http://www.cisco.com/warp/public/707/cisco-amb-20110928-voice.shtml.

Disabling SIP Listening Ports +----------------------------

For devices that do not require SIP to be enabled, the simplest and most effective workaround is to disable SIP processing on the device. Some versions of Cisco IOS Software allow administrators to disable SIP with the following commands:

sip-ua
 no transport udp
 no transport tcp
 no transport tcp tls

Warning: When applying this workaround to devices that are processing Media Gateway Control Protocol (MGCP) or H.323 calls, the device will not stop SIP processing while active calls are being processed. Under these circumstances, this workaround should be implemented during a maintenance window when active calls can be briefly stopped.

The "show udp connections", "show tcp brief all", and "show processes | include SIP" commands can be used to confirm that the SIP UDP and TCP ports are closed after applying this workaround.

Depending on the Cisco IOS Software version in use, when SIP is disabled, the output from the "show ip sockets" command may still show the SIP ports open, but sending traffic to them will cause the SIP process to display the following message:

*Jun 2 11:36:47.691: sip_udp_sock_process_read: SIP UDP Listener is DISABLED

Control Plane Policing +---------------------

For devices that need to offer SIP services, it is possible to use Control Plane Policing (CoPP) to block SIP traffic to the device from untrusted sources. Cisco IOS Releases 12.0S, 12.2SX, 12.2S, 12.3T, 12.4, and 12.4T support the CoPP feature. CoPP may be configured on a device to protect the management and control planes to minimize the risk and effectiveness of direct infrastructure attacks by explicitly permitting only authorized traffic sent to infrastructure devices in accordance with existing security policies and configurations. The following example can be adapted to specific network configurations:

!-- The 192.168.1.0/24 network and the 172.16.1.1 host are trusted. 
!-- Everything else is not trusted. The following access list is used
!-- to determine what traffic needs to be dropped by a control plane
!-- policy (the CoPP feature): if the access list matches (permit)
!-- then traffic will be dropped and if the access list does not
!-- match (deny) then traffic will be processed by the router. 
access-list 100 deny udp 192.168.1.0 0.0.0.255 any eq 5060
access-list 100 deny tcp 192.168.1.0 0.0.0.255 any eq 5060
access-list 100 deny tcp 192.168.1.0 0.0.0.255 any eq 5061
access-list 100 deny udp host 172.16.1.1 any eq 5060
access-list 100 deny tcp host 172.16.1.1 any eq 5060
access-list 100 deny tcp host 172.16.1.1 any eq 5061
access-list 100 permit udp any any eq 5060
access-list 100 permit tcp any any eq 5060
access-list 100 permit tcp any any eq 5061

!-- Permit (Police or Drop)/Deny (Allow) all other Layer3 and Layer4
!-- traffic in accordance with existing security policies and
!-- configurations for traffic that is authorized to be sent
!-- to infrastructure devices. 
!-- Create a Class-Map for traffic to be policed by
!-- the CoPP feature. 
class-map match-all drop-sip-class
  match access-group 100

!-- Create a Policy-Map that will be applied to the
!-- Control-Plane of the device. 
policy-map control-plane-policy
 class drop-sip-class
  drop

!-- Apply the Policy-Map to the Control-Plane of the
!-- device. 
control-plane
 service-policy input control-plane-policy

Note: Because SIP can use UDP as a transport protocol, it is possible to spoof the source address of an IP packet, which may bypass access control lists that permit communication to these ports from trusted IP addresses.

In the preceding CoPP example, the access control entries (ACEs) that match the potential exploit packets with the permit action cause these packets to be discarded by the policy-map drop function, whereas packets that match the deny action (not shown) are not affected by the policy-map drop function. Additional information on the configuration and use of the CoPP feature can be found at http://www.cisco.com/web/about/security/intelligence/coppwp_gs.html and http://www.cisco.com/en/US/docs/ios/12_3t/12_3t4/feature/guide/gtrtlimt.html.

Obtaining Fixed Software

Cisco has released free software updates that address these vulnerabilities. Prior to deploying software, customers should consult their maintenance provider or check the software for feature set compatibility and known issues specific to their environment.

Customers may only install and expect support for the feature sets they have purchased. By installing, downloading, accessing or otherwise using such software upgrades, customers agree to be bound by the terms of Cisco's software license terms found at http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html, or as otherwise set forth at Cisco.com Downloads at http://www.cisco.com/public/sw-center/sw-usingswc.shtml.

Do not contact psirt@cisco.com or security-alert@cisco.com for software upgrades.

Customers with Service Contracts +-------------------------------

Customers with contracts should obtain upgraded software through their regular update channels. For most customers, this means that upgrades should be obtained through the Software Center on Cisco's worldwide website at http://www.cisco.com.

Customers using Third Party Support Organizations +------------------------------------------------

Customers whose Cisco products are provided or maintained through prior or existing agreements with third-party support organizations, such as Cisco Partners, authorized resellers, or service providers should contact that support organization for guidance and assistance with the appropriate course of action in regards to this advisory.

The effectiveness of any workaround or fix is dependent on specific customer situations, such as product mix, network topology, traffic behavior, and organizational mission. Due to the variety of affected products and releases, customers should consult with their service provider or support organization to ensure any applied workaround or fix is the most appropriate for use in the intended network before it is deployed.

Customers without Service Contracts +----------------------------------

Customers who purchase direct from Cisco but do not hold a Cisco service contract, and customers who purchase through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should acquire upgrades by contacting the Cisco Technical Assistance Center (TAC). TAC contacts are as follows.

  • +1 800 553 2447 (toll free from within North America)
  • +1 408 526 7209 (toll call from anywhere in the world)
  • e-mail: tac@cisco.com

Customers should have their product serial number available and be prepared to give the URL of this notice as evidence of entitlement to a free upgrade. Free upgrades for non-contract customers must be requested through the TAC.

Refer to http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html for additional TAC contact information, including localized telephone numbers, and instructions and e-mail addresses for use in various languages.

Exploitation and Public Announcements

The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerabilities described in this advisory.

These vulnerabilities were discovered by Cisco during internal testing.

Status of this Notice: FINAL

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME.

A stand-alone copy or Paraphrase of the text of this document that omits the distribution URL in the following section is an uncontrolled copy, and may lack important information or contain factual errors.

Distribution

This advisory is posted on Cisco's worldwide website at:

http://www.cisco.com/warp/public/707/cisco-sa-20110928-sip.shtml

In addition to worldwide web posting, a text version of this notice is clear-signed with the Cisco PSIRT PGP key and is posted to the following e-mail and Usenet news recipients.

  • cust-security-announce@cisco.com
  • first-bulletins@lists.first.org
  • bugtraq@securityfocus.com
  • vulnwatch@vulnwatch.org
  • cisco@spot.colorado.edu
  • cisco-nsp@puck.nether.net
  • full-disclosure@lists.grok.org.uk
  • comp.dcom.sys.cisco@newsgate.cisco.com

Future updates of this advisory, if any, will be placed on Cisco's worldwide website, but may or may not be actively announced on mailing lists or newsgroups. Users concerned about this problem are encouraged to check the above URL for any updates.

Revision History

+------------------------------------------------------------+ | Revision 1.0 | 2011-September-28 | Initial public release. | +------------------------------------------------------------+

Cisco Security Procedures

Complete information on reporting security vulnerabilities in Cisco products, obtaining assistance with security incidents, and registering to receive security information from Cisco, is available on Cisco's worldwide website at http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html. This includes instructions for press inquiries regarding Cisco security notices. All Cisco security advisories are available at http://www.cisco.com/go/psirt.

+-------------------------------------------------------------------- Copyright 2010-2011 Cisco Systems, Inc. All rights reserved. +--------------------------------------------------------------------

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    "data": "Memory leak in Cisco IOS 12.4, 15.0, and 15.1, Cisco IOS XE 2.5.x through 3.2.x, and Cisco Unified Communications Manager (CUCM) 6.x and 7.x before 7.1(5b)su4, 8.x before 8.5(1)su2, and 8.6 before 8.6(1) allows remote attackers to cause a denial of service (memory consumption and device reload or process failure) via a malformed SIP message, aka Bug IDs CSCtl86047 and CSCto88686. Cisco IOS and Unified Communications Manager are prone to a denial-of-service vulnerability. \nAn attacker can exploit this issue to cause  an interruption in voice services or cause the affected device to  reload, denying service to legitimate users. \nThis issue is tracked by Cisco Bug IDs CSCtl86047 and CSCto8868. Cisco\u0027s Internet Operating System (IOS) is a complex operating system optimized for Internet interconnection. The data flow interaction function DLSw can realize the transmission of IBM SNA and network BIOS traffic on the IP network. ----------------------------------------------------------------------\n\nThe new Secunia Corporate Software Inspector (CSI) 5.0 \nIntegrates with Microsoft WSUS \u0026 SCCM and supports Apple Mac OS X. \n\nGet a free trial now and qualify for a special discount:\nhttp://secunia.com/vulnerability_scanning/corporate/trial/\n\n----------------------------------------------------------------------\n\nTITLE:\nCisco IOS SIP Packet Processing Multiple Denial of Service\nVulnerabilities\n\nSECUNIA ADVISORY ID:\nSA46197\n\nVERIFY ADVISORY:\nSecunia.com\nhttp://secunia.com/advisories/46197/\nCustomer Area (Credentials Required)\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46197\n\nRELEASE DATE:\n2011-09-29\n\nDISCUSS ADVISORY:\nhttp://secunia.com/advisories/46197/#comments\n\nAVAILABLE ON SITE AND IN CUSTOMER AREA:\n * Last Update\n * Popularity\n * Comments\n * Criticality Level\n * Impact\n * Where\n * Solution Status\n * Operating System / Software\n * CVE Reference(s)\n\nhttp://secunia.com/advisories/46197/\n\nONLY AVAILABLE IN CUSTOMER AREA:\n * Authentication Level\n * Report Reliability\n * Secunia PoC\n * Secunia Analysis\n * Systems Affected\n * Approve Distribution\n * Remediation Status\n * Secunia CVSS Score\n * CVSS\n\nhttps://ca.secunia.com/?page=viewadvisory\u0026vuln_id=46197\n\nONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:\n * AUTOMATED SCANNING\n\nhttp://secunia.com/vulnerability_scanning/personal/\nhttp://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/\n\nDESCRIPTION:\nMultiple vulnerabilities have been reported in Cisco IOS, which can\nbe exploited by malicious people to cause a DoS (Denial of Service). \n\n1) An unspecified error when processing certain Session Initiation\nProtocol (SIP) packets can be exploited to reload a device. \n\n2) A memory leak error when processing certain Session Initiation\nProtocol (SIP) packets can be exploited to reload a device. \n\nFor more information:\nSA46226\n\nPlease see the vendor\u0027s advisory for a list of affected versions. \n\nSOLUTION:\nUpdate to a fixed version (please see the vendor\u0027s advisory for\ndetails). \n\nPROVIDED AND/OR DISCOVERED BY:\nReported by the vendor. \n\nORIGINAL ADVISORY:\nhttp://www.cisco.com/warp/public/707/cisco-sa-20110928-sip.shtml\n\nOTHER REFERENCES:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nDEEP LINKS:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED DESCRIPTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXTENDED SOLUTION:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\nEXPLOIT:\nFurther details available in Customer Area:\nhttp://secunia.com/vulnerability_intelligence/\n\n----------------------------------------------------------------------\n\nAbout:\nThis Advisory was delivered by Secunia as a free service to help\nprivate users keeping their systems up to date against the latest\nvulnerabilities. \n\nSubscribe:\nhttp://secunia.com/advisories/secunia_security_advisories/\n\nDefinitions: (Criticality, Where etc.)\nhttp://secunia.com/advisories/about_secunia_advisories/\n\n\nPlease Note:\nSecunia recommends that you verify all advisories you receive by\nclicking the link. \nSecunia NEVER sends attached files with advisories. \nSecunia does not advise people to install third party patches, only\nuse those supplied by the vendor. ----------------------------------------------------------------------\n\nOvum says ad hoc tools are out-dated. The best practice approach?\nFast vulnerability intelligence, threat handling, and setup in one tool. A\nworkaround exists for this SIP vulnerability. \n\nDetails\n=======\n\nCisco Unified Communications Manager is the call processing component\nof the Cisco IP Telephony solution that extends enterprise telephony\nfeatures and functions to packet telephony network devices, such as\nIP phones, media processing devices, VoIP gateways, and multimedia\napplications. Continued exploitation of the vulnerability\nmay cause a critical process to fail, which could result in the\ndisruption of voice services. Use the following instructions to\ndisable SIP processing:\n\n  * Step 1: Log in to the Cisco Unified CM Administration web\n    interface. \n\n  * Step 3: Change the SIP Interoperability Enabled parameter to\n    False and click \"Save\". \n\n    Note: For a SIP processing change to take effect, the Cisco\n    CallManager Service must be restarted. For information on how to\n    restart the service, refer to the \"Restarting the Cisco\n    CallManager Service\" section of the document at\n    http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/admin/7_1_2/ccmcfg/b03dpi.html#wp1075124\n\n    It is possible to mitigate this vulnerability by implementing\n    filtering on screening devices and permitting access to TCP ports\n    5060 and 5061 and UDP ports 5060 and 5061 only from networks that\n    require SIP access to Cisco Unified Communications Manager\n    servers. Affected devices would need to be configured\nto process SIP messages for these vulnerabilities to be exploitable. \n\nCisco has released free software updates that address these\nvulnerabilities. There are no workarounds for devices that must run\nSIP; however, mitigations are available to limit exposure to the\nvulnerabilities. \n\nThis advisory is posted at\nhttp://www.cisco.com/warp/public/707/cisco-sa-20110928-sip.shtml. \n\nNote: The September 28, 2011, Cisco IOS Software Security Advisory\nbundled publication includes ten Cisco Security Advisories. Each advisory lists the Cisco IOS Software releases that\ncorrect the vulnerability or vulnerabilities detailed in the advisory as\nwell as the Cisco IOS Software releases that correct all vulnerabilities\nin the September 2011 Bundled Publication. \n\nIndividual publication links are in \"Cisco Event Response: Semiannual\nCisco IOS Software Security Advisory Bundled Publication\" at the\nfollowing link:\n\nhttp://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep11.html\n\nCisco Unified Communications Manager (CUCM) is affected by one of the\nvulnerabilities described in this advisory. \n\nRecent versions of Cisco IOS Software do not process SIP messages by\ndefault. Creating a dial peer by issuing the \"dial-peer voice\"\nconfiguration command will start the SIP processes, causing the Cisco\nIOS device to process SIP messages. In addition, several features in\nCisco Unified Communications Manager Express, such as ephones, will\nautomatically start the SIP process when they are configured, which\ncould cause the affected device to start processing SIP messages. An\nexample of an affected configuration follows:\n\n    dial-peer voice \u003cVoice dial-peer tag\u003e voip\n     ... \n    !\n\nIn addition to inspecting the Cisco IOS device configuration for a\n\"dial-peer\" command that causes the device to process SIP messages,\nadministrators can also use the \"show processes | include SIP\" command\nto determine whether Cisco IOS Software is running the processes that\nhandle SIP messages. In the following example, the presence of the\nprocesses CCSIP_UDP_SOCKET or CCSIP_TCP_SOCKET indicates that the Cisco\nIOS device will process SIP messages:\n\n    Router# show processes | include SIP\n     149 Mwe 40F48254            4          1    400023108/24000  0 CCSIP_UDP_SOCKET\n     150 Mwe 40F48034            4          1    400023388/24000  0 CCSIP_TCP_SOCKET\n\nNote: Because there are several ways a device running Cisco IOS Software\ncan start processing SIP messages, the \"show processes | include SIP\"\ncommand should be used to determine whether the device is processing SIP\nmessages instead of relying on the presence of specific configuration\ncommands. \n\nCisco Unified Border Element images are also affected by two of these\nvulnerabilities. \n\nNote: The Cisco Unified Border Element feature (previously known as\nthe Cisco Multiservice IP-to-IP Gateway) is a special Cisco IOS\nSoftware image that runs on Cisco multiservice gateway platforms. \nThis feature provides a network-to-network interface point for\nbilling, security, call admission control, quality of service, and\nsignaling interworking. \n\nTo determine the Cisco IOS Software release that is running on a\nCisco product, administrators can log in to the device and issue the\n\"show version\" command to display the system banner. The system banner\nconfirms that the device is running Cisco IOS Software by displaying\ntext similar to \"Cisco Internetwork Operating System Software\" or\n\"Cisco IOS Software.\" The image name displays in parentheses,\nfollowed by \"Version\" and the Cisco IOS Software release name. Other\nCisco devices do not have the \"show version\" command or may provide\ndifferent output. \n\nThe following example identifies a Cisco product that is running\nCisco IOS Software Release 15.0(1)M1 with an installed image name of\nC3900-UNIVERSALK9-M:\n\n    Router\u003e show version\n    Cisco IOS Software, C3900 Software (C3900-UNIVERSALK9-M), Version 15.0(1)M1, RELEASE SOFTWARE (fc1)\n    Technical Support: http://www.cisco.com/techsupport\n    Copyright (c) 1986-2009 by Cisco Systems, Inc. \n    Compiled Wed 02-Dec-09 17:17 by prod_rel_team\n\n    !--- output truncated\n\nAdditional information about Cisco IOS Software release\nnaming conventions is available in the white paper Cisco\nIOS and NX-OS Software Reference Guide available at\nhttp://www.cisco.com/web/about/security/intelligence/ios-ref.html. \n\nCisco IOS XE Software is affected by these vulnerabilities. \n\nCisco IOS XR Software is not affected by these vulnerabilities. \n\nNo other Cisco products are currently known to be affected by these\nvulnerabilities. \n\nDetails\n=======\n\nSIP is a popular signaling protocol that is used to manage voice and\nvideo calls across IP networks such as the Internet. SIP is\nresponsible for handling all aspects of call setup and termination. \nVoice and video are the most popular types of sessions that SIP\nhandles, but the protocol has the flexibility to accommodate other\napplications that require call setup and termination. SIP call\nsignaling can use UDP (port 5060), TCP (port 5060), or Transport\nLayer Security (TLS; TCP port 5061) as the underlying transport\nprotocol. These vulnerabilities are triggered when the device\nthat is running Cisco IOS Software processes crafted SIP messages. \nOnly traffic destined to the device can trigger the vulnerabilities;\ntransit SIP traffic is not an exploit vector. \n\nNote: In cases where SIP is running over TCP transport, a TCP\nthree-way handshake is necessary to exploit these vulnerabilities. This vulnerability\nhas been assigned Common Vulnerabilities and Exposures (CVE) ID\nCVE-2011-0939. \n\nCSCti48504 may cause memory leaks. This vulnerability has been assigned\nCVE ID CVE-2011-3275. \n\nCSCto88686 may cause memory leaks or reloads of affected devices. This\nvulnerability has been assigned CVE ID CVE-2011-2072. \n\nVulnerability Scoring Details\n=============================\n\nCisco has provided scores for the vulnerabilities in this advisory\nbased on the Common Vulnerability Scoring System (CVSS). The CVSS\nscoring in this Security Advisory is done in accordance with CVSS\nversion 2.0. \n\nCVSS is a standards-based scoring method that conveys vulnerability\nseverity and helps determine urgency and priority of response. \n\nCisco has provided a base and temporal score. Customers can then\ncompute environmental scores to assist in determining the impact of\nthe vulnerability in individual networks. \n\nCisco has provided an FAQ to answer additional questions regarding\nCVSS at:\n\nhttp://www.cisco.com/web/about/security/intelligence/cvss-qandas.html\n\nCisco has also provided a CVSS calculator to help compute the\nenvironmental impact for individual networks at\n\nhttp://intellishield.cisco.com/security/alertmanager/cvss\n\nNote that all vulnerabilities in this advisory (CSCth03022, CSCti48504,\nand CSCto88686) have been scored in an identical manner, assuming a\ncomplete denial of service (DoS) condition. \n\n* CSCth03022, CSCti48504, CSCto88686\n\nCVSS Base Score - 7.8\n    Access Vector -            Network\n    Access Complexity -        Low\n    Authentication -           None\n    Confidentiality Impact -   None\n    Integrity Impact -         None\n    Availability Impact -      Complete\n\nCVSS Temporal Score - 6.4\n    Exploitability -           Functional\n    Remediation Level -        Official-Fix\n    Report Confidence -        Confirmed\n\n\nImpact\n======\n\nSuccessful exploitation of the vulnerabilities in this advisory may\nresult in system instabilities or a reload of an affected device. \nRepeated exploitation could result in a sustained DoS condition. \n\nSoftware Versions and Fixes\n===========================\n\nWhen considering software upgrades, also consult\nhttp://www.cisco.com/go/psirt and any subsequent advisories to determine\nexposure and a complete upgrade solution. \n\nIn all cases, customers should exercise caution to be certain the\ndevices to be upgraded contain sufficient memory and that current\nhardware and software configurations will continue to be supported\nproperly by the new release. If the information is not clear, contact\nthe Cisco Technical Assistance Center (TAC) or your contracted\nmaintenance provider for assistance. \n\nAdditionally, the Cisco IOS Software Checker is available on\nthe Cisco Security Intelligence Operations (SIO) portal at\nhttp://tools.cisco.com/security/center/selectIOSVersion.x. It provides\nseveral features for checking which Security Advisories affect specified\nversions of Cisco IOS Software. \n\nCisco IOS Software\n+-----------------\n\nEach row of the following Cisco IOS Software table corresponds to a\nCisco IOS Software train. If a particular train is vulnerable, the\nearliest releases that contain the fix are listed in the First Fixed\nRelease For This Advisory column. The First Fixed Release for All\nAdvisories in the September 2011 Bundled Publication column lists the\nearliest possible releases that correct all the published\nvulnerabilities in the Cisco IOS Software Security Advisory bundled\npublication. Cisco recommends upgrading to the latest available\nrelease, where possible. \n\n+------------------------------------------------------------+\n|   Major    |         Availability of Repaired Releases     |\n|  Release   |                                               |\n|------------+-----------------------------------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 12.0-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------------------------------------------------------|\n| There are no affected 12.0 based releases                  |\n|------------------------------------------------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 12.1-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.1E      | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXF               |\n|------------+-----------------------+-----------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 12.2-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------+-----------------------+-----------------------|\n| 12.2       | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2B      | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2BC     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2BW     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2BX     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SB                |\n|------------+-----------------------+-----------------------|\n| 12.2BY     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2BZ     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2CX     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2CY     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2CZ     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SB                |\n|------------+-----------------------+-----------------------|\n| 12.2DA     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2DD     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2DX     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2EU     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Releases up to and    |\n| 12.2EW     | Not vulnerable        | including 12.2(20)EW4 |\n|            |                       | are not vulnerable.   |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2EWA    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2EX     | Not vulnerable        | 12.2(55)EX3           |\n|------------+-----------------------+-----------------------|\n| 12.2EY     | Not vulnerable        | 12.2(58)EY            |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; migrate   |\n| 12.2EZ     | Not vulnerable        | to any release in     |\n|            |                       | 15.0SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2FX     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2FY     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2EX                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2FZ     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; migrate   |\n| 12.2IRA    | Not vulnerable        | to any release in     |\n|            |                       | 12.2IRG               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; migrate   |\n| 12.2IRB    | Not vulnerable        | to any release in     |\n|            |                       | 12.2IRG               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; migrate   |\n| 12.2IRC    | Not vulnerable        | to any release in     |\n|            |                       | 12.2IRG               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IRD    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IRE    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; migrate   |\n| 12.2IRF    | Not vulnerable        | to any release in     |\n|            |                       | 12.2IRG               |\n|------------+-----------------------+-----------------------|\n| 12.2IRG    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXA    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXB    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXC    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXD    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXE    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXF    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXG    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2IXH    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2JA     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2JK     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2MB     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2MC     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2MRA    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SRD               |\n|------------+-----------------------+-----------------------|\n| 12.2MRB    | Not vulnerable        | 12.2(33)MRB5          |\n|------------+-----------------------+-----------------------|\n|            |                       | Releases prior to     |\n|            |                       | 12.2(30)S are         |\n|            |                       | vulnerable; Releases  |\n| 12.2S      | Not vulnerable        | 12.2(30)S and later   |\n|            |                       | are not vulnerable.   |\n|            |                       | First fixed in        |\n|            |                       | Release 12.2SB        |\n|------------+-----------------------+-----------------------|\n| 12.2SB     | Not vulnerable        | 12.2(31)SB2012.2(33)  |\n|            |                       | SB10                  |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SBC    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SB                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SCA    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SCC               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SCB    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SCC               |\n|------------+-----------------------+-----------------------|\n| 12.2SCC    | Not vulnerable        | 12.2(33)SCC7          |\n|------------+-----------------------+-----------------------|\n| 12.2SCD    | Not vulnerable        | 12.2(33)SCD6          |\n|------------+-----------------------+-----------------------|\n| 12.2SCE    | Not vulnerable        | 12.2(33)SCE112.2(33)  |\n|            |                       | SCE2                  |\n|------------+-----------------------+-----------------------|\n| 12.2SCF    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2SE     | Not vulnerable        | 12.2(55)SE312.2(58)SE |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SEA    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SEB    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SEC    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SED    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SEE    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SEF    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SE                |\n|------------+-----------------------+-----------------------|\n|            |                       | Releases prior to     |\n|            |                       | 12.2(25)SEG4 are      |\n|            |                       | vulnerable; Releases  |\n| 12.2SEG    | Not vulnerable        | 12.2(25)SEG4 and      |\n|            |                       | later are not         |\n|            |                       | vulnerable. First     |\n|            |                       | fixed in Release      |\n|            |                       | 12.2EX                |\n|------------+-----------------------+-----------------------|\n|            |                       | Releases prior to     |\n|            |                       | 12.2(53)SG4 are       |\n| 12.2SG     | Not vulnerable        | vulnerable; Releases  |\n|            |                       | 12.2(53)SG4 and later |\n|            |                       | are not vulnerable.   |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2SGA    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2SL     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2SM     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2SO     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2SQ     | Not vulnerable        | 12.2(50)SQ3           |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SRA    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SRD               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SRB    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SRD               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SRC    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SRD               |\n|------------+-----------------------+-----------------------|\n| 12.2SRD    | Not vulnerable        | 12.2(33)SRD6          |\n|------------+-----------------------+-----------------------|\n| 12.2SRE    | Not vulnerable        | 12.2(33)SRE4          |\n|------------+-----------------------+-----------------------|\n| 12.2STE    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2SU     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n|            |                       | Releases prior to     |\n|            |                       | 12.2(29a)SV are       |\n|            |                       | vulnerable; Releases  |\n| 12.2SV     | Not vulnerable        | 12.2(29a)SV and later |\n|            |                       | are not vulnerable.   |\n|            |                       | Migrate to any        |\n|            |                       | release in 12.2SVD    |\n|------------+-----------------------+-----------------------|\n| 12.2SVA    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2SVC    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2SVD    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2SVE    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2SW     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SX     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXF               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SXA    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXF               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SXB    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXF               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SXD    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXF               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SXE    | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXF               |\n|------------+-----------------------+-----------------------|\n| 12.2SXF    | Not vulnerable        | 12.2(18)SXF17b        |\n|------------+-----------------------+-----------------------|\n| 12.2SXH    | Not vulnerable        | 12.2(33)SXH8a         |\n|------------+-----------------------+-----------------------|\n| 12.2SXI    | Not vulnerable        | 12.2(33)SXI6          |\n|------------+-----------------------+-----------------------|\n| 12.2SXJ    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2SY     | Not vulnerable        | 12.2(50)SY            |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2SZ     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SB                |\n|------------+-----------------------+-----------------------|\n| 12.2T      | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2TPC    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2XA     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XB     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2XC     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XD     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XE     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XF     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XG     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XH     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XI     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XJ     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XK     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XL     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XM     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XN     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XNA    | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n| 12.2XNB    | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n| 12.2XNC    | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n| 12.2XND    | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n| 12.2XNE    | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n| 12.2XNF    | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n|            |                       | Releases prior to     |\n|            |                       | 12.2(54)XO are        |\n| 12.2XO     | Not vulnerable        | vulnerable; Releases  |\n|            |                       | 12.2(54)XO and later  |\n|            |                       | are not vulnerable.   |\n|------------+-----------------------+-----------------------|\n| 12.2XQ     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XR     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XS     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XT     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XU     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XV     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2XW     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2YA     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2YB     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2YC     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2YD     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2YE     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YF     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YG     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YH     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YJ     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2YK     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YL     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2YM     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YN     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2YO     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2YP     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YQ     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YR     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YS     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YT     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YU     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YV     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YW     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YX     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YY     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2YZ     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2ZA     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXF               |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2ZB     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2ZC     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2ZD     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2ZE     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2ZF     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2ZG     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.2ZH     | Not vulnerable        | Vulnerable; First     |\n|            |                       | fixed in Release 12.4 |\n|------------+-----------------------+-----------------------|\n| 12.2ZJ     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2ZL     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 12.2ZP     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.2ZU     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.2SXH               |\n|------------+-----------------------+-----------------------|\n| 12.2ZX     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2ZY     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.2ZYA    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 12.3-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------------------------------------------------------|\n| There are no affected 12.3 based releases                  |\n|------------------------------------------------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 12.4-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------+-----------------------+-----------------------|\n| 12.4       | Not vulnerable        | 12.4(25f)             |\n|------------+-----------------------+-----------------------|\n| 12.4GC     | 12.4(24)GC4           | 12.4(24)GC4           |\n|------------+-----------------------+-----------------------|\n| 12.4JA     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JAX    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JDA    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JDC    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JHA    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JHB    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JHC    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JK     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JL     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JMA    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4JMB    | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; migrate   |\n|            |                       | to any release in     |\n|            |                       | 12.4JA                |\n| 12.4JX     | Not vulnerable        |                       |\n|            |                       | Releases up to and    |\n|            |                       | including 12.4(21a)JX |\n|            |                       | are not vulnerable.   |\n|------------+-----------------------+-----------------------|\n| 12.4JY     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n| 12.4MD     | Not vulnerable        | 12.4(24)MD6 on        |\n|            |                       | 28-Oct-2011           |\n|------------+-----------------------+-----------------------|\n| 12.4MDA    | Not vulnerable        | 12.4(24)MDA7          |\n|------------+-----------------------+-----------------------|\n| 12.4MDB    | Not vulnerable        | 12.4(24)MDB3          |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            | Releases up to and    | organization per the  |\n| 12.4MR     | including 12.4(6)MR1  | instructions in the   |\n|            | are not vulnerable.   | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; contact   | Vulnerable; contact   |\n|            | your support          | your support          |\n|            | organization per the  | organization per the  |\n| 12.4MRA    | instructions in       | instructions in the   |\n|            | Obtaining Fixed       | Obtaining Fixed       |\n|            | Software section of   | Software section of   |\n|            | this advisory.        | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     | Vulnerable; First     |\n| 12.4MRB    | fixed in Release      | fixed in Release      |\n|            | 12.4T                 | 12.4T                 |\n|------------+-----------------------+-----------------------|\n| 12.4SW     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            | 12.4(24)T6            | 12.4(24)T6            |\n| 12.4T      |                       |                       |\n|            | 12.4(15)T16           | 12.4(15)T16           |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.4XA     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.4T                 |\n|------------+-----------------------+-----------------------|\n| 12.4XB     | Not vulnerable        | 12.4(2)XB12           |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     |                       |\n| 12.4XC     | Fixed in Release      | Not vulnerable        |\n|            | 12.4T                 |                       |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.4XD     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            | Not vulnerable        |                       |\n|            |                       |                       |\n| 12.4XE     | Vulnerable; First     | Not vulnerable        |\n|            | Fixed in Release      |                       |\n|            | 12.4T                 |                       |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.4XF     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            | Releases up to and    |                       |\n|            | including 12.4(9)XG1  |                       |\n|            | are not vulnerable.   |                       |\n|            |                       | Vulnerable; First     |\n| 12.4XG     | Releases 12.4(9)XG3   | fixed in Release      |\n|            | and later are not     | 12.4T                 |\n|            | vulnerable. First     |                       |\n|            | fixed in Release      |                       |\n|            | 12.4T                 |                       |\n|------------+-----------------------+-----------------------|\n|            | Not vulnerable        |                       |\n|            |                       |                       |\n| 12.4XJ     | Vulnerable; First     | Not vulnerable        |\n|            | Fixed in Release      |                       |\n|            | 12.4T                 |                       |\n|------------+-----------------------+-----------------------|\n| 12.4XK     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; contact   | Vulnerable; contact   |\n|            | your support          | your support          |\n|            | organization per the  | organization per the  |\n| 12.4XL     | instructions in the   | instructions in the   |\n|            | Obtaining Fixed       | Obtaining Fixed       |\n|            | Software section of   | Software section of   |\n|            | this advisory.        | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            | Releases up to and    |                       |\n|            | including 12.4(15)XM  |                       |\n|            | are not vulnerable.   |                       |\n|            |                       | Vulnerable; First     |\n| 12.4XM     | Releases 12.4(15)XM3  | fixed in Release      |\n|            | and later are not     | 12.4T                 |\n|            | vulnerable. First     |                       |\n|            | fixed in Release      |                       |\n|            | 12.4T                 |                       |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.4XN     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.4XP     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.4XQ     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.4XR     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 12.4XT     | Not vulnerable        | fixed in Release      |\n|            |                       | 12.4T                 |\n|------------+-----------------------+-----------------------|\n| 12.4XV     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     | Vulnerable; First     |\n| 12.4XW     | fixed in Release      | fixed in Release      |\n|            | 12.4T                 | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     | Vulnerable; First     |\n| 12.4XY     | fixed in Release      | fixed in Release      |\n|            | 12.4T                 | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     | Vulnerable; First     |\n| 12.4XZ     | fixed in Release      | fixed in Release      |\n|            | 12.4T                 | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     | Vulnerable; First     |\n| 12.4YA     | fixed in Release      | fixed in Release      |\n|            | 12.4T                 | 12.4T                 |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; contact   | Vulnerable; contact   |\n|            | your support          | your support          |\n|            | organization per the  | organization per the  |\n| 12.4YB     | instructions in       | instructions in the   |\n|            | Obtaining Fixed       | Obtaining Fixed       |\n|            | Software section of   | Software section of   |\n|            | this advisory.        | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.4YD     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; fixed in  |\n|            |                       | 12.4(22)YE6 on        |\n| 12.4YE     | Not vulnerable        | 30-Sept-2011; 12.4    |\n|            |                       | (24)YE7 available on  |\n|            |                       | 17-Oct-2011           |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 12.4YG     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 15.0-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------+-----------------------+-----------------------|\n| 15.0M      | 15.0(1)M7             | 15.0(1)M7             |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 15.0MR     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 15.0MRA    | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            | Not vulnerable        | 15.0(1)S4             |\n|            |                       |                       |\n| 15.0S      | Cisco IOS XE devices: | Cisco IOS XE devices: |\n|            | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 15.0SA     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n| 15.0SE     | Not vulnerable        | Not vulnerable        |\n|------------+-----------------------+-----------------------|\n|            | Cisco IOS XE devices: | Cisco IOS XE devices: |\n| 15.0SG     | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     | Vulnerable; First     |\n| 15.0XA     | fixed in Release      | fixed in Release      |\n|            | 15.1T                 | 15.1T                 |\n|------------+-----------------------+-----------------------|\n|            | Cisco IOS XE devices: | Cisco IOS XE devices: |\n| 15.0XO     | See Cisco IOS-XE      | See Cisco IOS-XE      |\n|            | Software Availability | Software Availability |\n|------------+-----------------------+-----------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 15.1-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 15.1EY     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            | Vulnerable; First     | Vulnerable; First     |\n| 15.1GC     | fixed in Release      | fixed in Release      |\n|            | 15.1T                 | 15.1T                 |\n|------------+-----------------------+-----------------------|\n| 15.1M      | 15.1(4)M1             | 15.1(4)M2; Available  |\n|            |                       | on 30-SEP-11          |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; contact   |\n|            |                       | your support          |\n|            |                       | organization per the  |\n| 15.1MR     | Not vulnerable        | instructions in the   |\n|            |                       | Obtaining Fixed       |\n|            |                       | Software section of   |\n|            |                       | this advisory.        |\n|------------+-----------------------+-----------------------|\n|            |                       | 15.1(2)S2             |\n|            | Not vulnerable        |                       |\n|            |                       | 15.1(3)S              |\n| 15.1S      | Cisco IOS XE devices: |                       |\n|            | See Cisco IOS-XE      | Cisco IOS XE devices: |\n|            | Software Availability | See Cisco IOS-XE      |\n|            |                       | Software Availability |\n|------------+-----------------------+-----------------------|\n|            | 15.1(2)T4             | 15.1(2)T4 15.1(1)T4   |\n| 15.1T      |                       | on 8-Dec-2011         |\n|            | 15.1(3)T2             |                       |\n|------------+-----------------------+-----------------------|\n|            |                       | Vulnerable; First     |\n| 15.1XB     | 15.1(4)XB5            | fixed in Release      |\n|            |                       | 15.1T                 |\n|------------+-----------------------+-----------------------|\n|  Affected  |                       |  First Fixed Release  |\n| 15.2-Based |  First Fixed Release  | for All Advisories in |\n|  Releases  |                       |  the September 2011   |\n|            |                       |  Bundled Publication  |\n|------------------------------------------------------------|\n| There are no affected 15.2 based releases                  |\n+------------------------------------------------------------+\n\nCisco IOS XE Software\n+--------------------\n\n+------------------------------------------------------------+\n|  Cisco   |   First    |    First Fixed Release for All     |\n|  IOS XE  |   Fixed    |  Advisories in the September 2011  |\n| Release  |  Release   |        Bundled Publication         |\n|----------+------------+------------------------------------|\n| 2.1.x    | Not        | Vulnerable; migrate to 3.3.2S or   |\n|          | Vulnerable | later                              |\n|----------+------------+------------------------------------|\n| 2.2.x    | Not        | Vulnerable; migrate to 3.3.2S or   |\n|          | Vulnerable | later                              |\n|----------+------------+------------------------------------|\n| 2.3.x    | Not        | Vulnerable; migrate to 3.3.2S or   |\n|          | Vulnerable | later                              |\n|----------+------------+------------------------------------|\n| 2.4.x    | Not        | Vulnerable; migrate to 3.3.2S or   |\n|          | Vulnerable | later                              |\n|----------+------------+------------------------------------|\n| 2.5.x    | 3.1.3S     | Vulnerable; migrate to 3.3.2S or   |\n|          |            | later                              |\n|----------+------------+------------------------------------|\n| 2.6.x    | 3.1.3S     | Vulnerable; migrate to 3.3.2S or   |\n|          |            | later                              |\n|----------+------------+------------------------------------|\n| 3.1.xS   | 3.1.3S     | Vulnerable; migrate to 3.3.2S or   |\n|          |            | later                              |\n|----------+------------+------------------------------------|\n| 3.1.xSG  | Not        | Vulnerable; migrate to 3.2.0SG or  |\n|          | vulnerable | later                              |\n|----------+------------+------------------------------------|\n| 3.2.xS   | 3.2.1S     | Vulnerable; migrate to 3.3.2S or   |\n|          |            | later                              |\n|----------+------------+------------------------------------|\n| 3.2.xSG  | Not        | Not vulnerable                     |\n|          | vulnerable |                                    |\n|----------+------------+------------------------------------|\n| 3.3.xS   | Not        | 3.3.2S                             |\n|          | Vulnerable |                                    |\n|----------+------------+------------------------------------|\n| 3.4.xS   | Not        | Not Vulnerable                     |\n|          | Vulnerable |                                    |\n+------------------------------------------------------------+\n\nFor mapping of Cisco IOS XE to Cisco IOS releases, please refer to\nthe Cisco IOS XE 2 Release Notes, Cisco IOS XE 3S Release Notes, and\nCisco IOS XE 3SG Release Notes. \n\nCisco IOS XR System Software\n+---------------------------\n\nCisco IOS XR Software is not affected by any of the vulnerabilities\nin the September 2011 bundled publication. \n\nWorkarounds\n===========\n\nIf the affected Cisco IOS device requires SIP for VoIP services, SIP\ncannot be disabled and no workarounds are available. Users are\nadvised to apply mitigation techniques to help limit exposure to the\nvulnerabilities. Mitigation consists of allowing only legitimate\ndevices to connect to affected devices. To increase effectiveness,\nthe mitigation must be coupled with measures against spoofing on the\nnetwork edge. This action is required because SIP can use UDP as the\ntransport protocol. \n\nAdditional mitigations that can be deployed on Cisco\ndevices within the network are available in the companion\ndocument \"Cisco Applied Mitigation Bulletin:Identifying and\nMitigating Exploitation of the Multiple Vulnerabilities\nin Cisco Voice Products\" at the following location:\nhttp://www.cisco.com/warp/public/707/cisco-amb-20110928-voice.shtml. \n\nDisabling SIP Listening Ports\n+----------------------------\n\nFor devices that do not require SIP to be enabled, the simplest and\nmost effective workaround is to disable SIP processing on the device. \nSome versions of Cisco IOS Software allow administrators to disable\nSIP with the following commands:\n\n    sip-ua\n     no transport udp\n     no transport tcp\n     no transport tcp tls\n\nWarning: When applying this workaround to devices that are processing\nMedia Gateway Control Protocol (MGCP) or H.323 calls, the device will\nnot stop SIP processing while active calls are being processed. Under\nthese circumstances, this workaround should be implemented during a\nmaintenance window when active calls can be briefly stopped. \n\nThe \"show udp connections\", \"show tcp brief all\", and \"show processes |\ninclude SIP\" commands can be used to confirm that the SIP UDP and TCP\nports are closed after applying this workaround. \n\nDepending on the Cisco IOS Software version in use, when SIP is\ndisabled, the output from the \"show ip sockets\" command may still show\nthe SIP ports open, but sending traffic to them will cause the SIP\nprocess to display the following message:\n\n    *Jun 2 11:36:47.691: sip_udp_sock_process_read: SIP UDP Listener is DISABLED\n\nControl Plane Policing\n+---------------------\n\nFor devices that need to offer SIP services, it is possible to use\nControl Plane Policing (CoPP) to block SIP traffic to the device from\nuntrusted sources. Cisco IOS Releases 12.0S, 12.2SX, 12.2S, 12.3T,\n12.4, and 12.4T support the CoPP feature. CoPP may be configured on a\ndevice to protect the management and control planes to minimize the\nrisk and effectiveness of direct infrastructure attacks by explicitly\npermitting only authorized traffic sent to infrastructure devices in\naccordance with existing security policies and configurations. The\nfollowing example can be adapted to specific network configurations:\n\n    !-- The 192.168.1.0/24 network and the 172.16.1.1 host are trusted. \n    !-- Everything else is not trusted. The following access list is used\n    !-- to determine what traffic needs to be dropped by a control plane\n    !-- policy (the CoPP feature): if the access list matches (permit)\n    !-- then traffic will be dropped and if the access list does not\n    !-- match (deny) then traffic will be processed by the router. \n    access-list 100 deny udp 192.168.1.0 0.0.0.255 any eq 5060\n    access-list 100 deny tcp 192.168.1.0 0.0.0.255 any eq 5060\n    access-list 100 deny tcp 192.168.1.0 0.0.0.255 any eq 5061\n    access-list 100 deny udp host 172.16.1.1 any eq 5060\n    access-list 100 deny tcp host 172.16.1.1 any eq 5060\n    access-list 100 deny tcp host 172.16.1.1 any eq 5061\n    access-list 100 permit udp any any eq 5060\n    access-list 100 permit tcp any any eq 5060\n    access-list 100 permit tcp any any eq 5061\n\n    !-- Permit (Police or Drop)/Deny (Allow) all other Layer3 and Layer4\n    !-- traffic in accordance with existing security policies and\n    !-- configurations for traffic that is authorized to be sent\n    !-- to infrastructure devices. \n    !-- Create a Class-Map for traffic to be policed by\n    !-- the CoPP feature. \n    class-map match-all drop-sip-class\n      match access-group 100\n\n    !-- Create a Policy-Map that will be applied to the\n    !-- Control-Plane of the device. \n    policy-map control-plane-policy\n     class drop-sip-class\n      drop\n\n    !-- Apply the Policy-Map to the Control-Plane of the\n    !-- device. \n    control-plane\n     service-policy input control-plane-policy\n\nNote: Because SIP can use UDP as a transport protocol, it is possible\nto spoof the source address of an IP packet, which may bypass access\ncontrol lists that permit communication to these ports from trusted\nIP addresses. \n\nIn the preceding CoPP example, the access control entries (ACEs) that\nmatch the potential exploit packets with the permit action cause these\npackets to be discarded by the policy-map drop function, whereas\npackets that match the deny action (not shown) are not affected by the\npolicy-map drop function. Additional information on the configuration\nand use of the CoPP feature can be found at\nhttp://www.cisco.com/web/about/security/intelligence/coppwp_gs.html and\nhttp://www.cisco.com/en/US/docs/ios/12_3t/12_3t4/feature/guide/gtrtlimt.html. \n\nObtaining Fixed Software\n========================\n\nCisco has released free software updates that address these\nvulnerabilities. Prior to deploying software, customers should\nconsult their maintenance provider or check the software for feature\nset compatibility and known issues specific to their environment. \n\nCustomers may only install and expect support for the feature\nsets they have purchased. By installing, downloading, accessing\nor otherwise using such software upgrades, customers agree to be\nbound by the terms of Cisco\u0027s software license terms found at\nhttp://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html,\nor as otherwise set forth at Cisco.com Downloads at\nhttp://www.cisco.com/public/sw-center/sw-usingswc.shtml. \n\nDo not contact psirt@cisco.com or security-alert@cisco.com for\nsoftware upgrades. \n\nCustomers with Service Contracts\n+-------------------------------\n\nCustomers with contracts should obtain upgraded software through\ntheir regular update channels. For most customers, this means that\nupgrades should be obtained through the Software Center on Cisco\u0027s\nworldwide website at http://www.cisco.com. \n\nCustomers using Third Party Support Organizations\n+------------------------------------------------\n\nCustomers whose Cisco products are provided or maintained through\nprior or existing agreements with third-party support organizations,\nsuch as Cisco Partners, authorized resellers, or service providers\nshould contact that support organization for guidance and assistance\nwith the appropriate course of action in regards to this advisory. \n\nThe effectiveness of any workaround or fix is dependent on specific\ncustomer situations, such as product mix, network topology, traffic\nbehavior, and organizational mission. Due to the variety of affected\nproducts and releases, customers should consult with their service\nprovider or support organization to ensure any applied workaround or\nfix is the most appropriate for use in the intended network before it\nis deployed. \n\nCustomers without Service Contracts\n+----------------------------------\n\nCustomers who purchase direct from Cisco but do not hold a Cisco\nservice contract, and customers who purchase through third-party\nvendors but are unsuccessful in obtaining fixed software through\ntheir point of sale should acquire upgrades by contacting the Cisco\nTechnical Assistance Center (TAC). TAC contacts are as follows. \n\n  * +1 800 553 2447 (toll free from within North America)\n  * +1 408 526 7209 (toll call from anywhere in the world)\n  * e-mail: tac@cisco.com\n\nCustomers should have their product serial number available and be\nprepared to give the URL of this notice as evidence of entitlement to\na free upgrade. Free upgrades for non-contract customers must be\nrequested through the TAC. \n\nRefer to\nhttp://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html\nfor additional TAC contact information, including localized telephone\nnumbers, and instructions and e-mail addresses for use in various\nlanguages. \n\nExploitation and Public Announcements\n=====================================\n\nThe Cisco PSIRT is not aware of any public announcements or malicious\nuse of the vulnerabilities described in this advisory. \n\nThese vulnerabilities were discovered by Cisco during internal\ntesting. \n\nStatus of this Notice: FINAL\n============================\n\nTHIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY\nKIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF\nMERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE\nINFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS\nAT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS\nDOCUMENT AT ANY TIME. \n\nA stand-alone copy or Paraphrase of the text of this document that\nomits the distribution URL in the following section is an\nuncontrolled copy, and may lack important information or contain\nfactual errors. \n\nDistribution\n============\n\nThis advisory is posted on Cisco\u0027s worldwide website at:\n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20110928-sip.shtml\n\nIn addition to worldwide web posting, a text version of this notice\nis clear-signed with the Cisco PSIRT PGP key and is posted to the\nfollowing e-mail and Usenet news recipients. \n\n  * cust-security-announce@cisco.com\n  * first-bulletins@lists.first.org\n  * bugtraq@securityfocus.com\n  * vulnwatch@vulnwatch.org\n  * cisco@spot.colorado.edu\n  * cisco-nsp@puck.nether.net\n  * full-disclosure@lists.grok.org.uk\n  * comp.dcom.sys.cisco@newsgate.cisco.com\n\nFuture updates of this advisory, if any, will be placed on Cisco\u0027s\nworldwide website, but may or may not be actively announced on\nmailing lists or newsgroups. Users concerned about this problem are\nencouraged to check the above URL for any updates. \n\nRevision History\n================\n\n+------------------------------------------------------------+\n| Revision 1.0 | 2011-September-28 | Initial public release. |\n+------------------------------------------------------------+\n\nCisco Security Procedures\n=========================\n\nComplete information on reporting security vulnerabilities\nin Cisco products, obtaining assistance with security\nincidents, and registering to receive security information\nfrom Cisco, is available on Cisco\u0027s worldwide website at\nhttp://www.cisco.com/en/US/products/products_security_vulnerability_policy.html. \nThis includes instructions for press inquiries regarding\nCisco security notices. All Cisco security advisories are available at\nhttp://www.cisco.com/go/psirt. \n\n+--------------------------------------------------------------------\nCopyright 2010-2011 Cisco Systems, Inc. All rights reserved. \n+--------------------------------------------------------------------\n\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.11 (GNU/Linux)\n\niF4EAREIAAYFAk6Cp2gACgkQQXnnBKKRMNDX3gD/UeN/lhANnUYaPYTJesK+CgTF\nHnpss1asMqYlNes4DlgA/idrlbSx8cbkiX0rrhhHEkTNFRcVmvxA3gJhKq9s9GsO\n=XFrW\n-----END PGP SIGNATURE-----\n",
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