var-200908-0256
Vulnerability from variot

Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987. plural Cisco The product includes SIP Service operation is interrupted due to incomplete processing (DoS) There is a vulnerability that becomes a condition. The problem is Bug IDs CSCsz40392 and CSCsz43987 It is a problem.Unauthorized by a third party SIP INVITE Via message sipSafeStrlen Inappropriate call to function is triggered, causing service disruption (DoS) There is a possibility of being put into a state. Cisco Unified Communications Manager is prone to multiple denial-of-service vulnerabilities. An attacker can exploit these issues to cause denial-of-service conditions in the affected application. These issues are documented by these Cisco bug IDs: CSCsi46466 CSCsz40392 CSCsq22534 CSCsx32236 CSCsx23689. ----------------------------------------------------------------------

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. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1

Cisco Security Advisory: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerabilities

Advisory ID: cisco-sa-20100922-sip

http://www.cisco.com/warp/public/707/cisco-sa-20100922-sip.shtml

Revision 1.0

For Public Release 2010 September 22 1600 UTC (GMT)

Summary

Multiple vulnerabilities exist in the Session Initiation Protocol (SIP) implementation in Cisco IOS^ Software that could allow an unauthenticated, remote attacker to cause a reload of an affected device when SIP operation is enabled.

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-20100922-sip.shtml

Note: The September 22, 2010, Cisco IOS Software Security Advisory bundled publication includes six Cisco Security Advisories. Each advisory lists the releases that correct the vulnerability or vulnerabilities detailed in the advisory. The table at the following URL lists releases that correct all Cisco IOS Software vulnerabilities that have been published on September 22, 2010, or earlier:

http://www.cisco.com/warp/public/707/cisco-sa-20100922-bundle.shtml

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_sep10.html

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

Vulnerable Products +------------------

Cisco devices are affected when they are running affected Cisco IOS Software versions that are configured to process SIP messages.

Recent versions of Cisco IOS Software do not process SIP messages by default. Creating a dial peer by issuing the dial-peer voice command will start the SIP processes, causing the Cisco IOS device to process SIP messages. In addition, several features within Cisco Unified Communications Manager Express, such as ePhones, will also automatically start the SIP process when they are configured, causing the 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, it is recommended that the show processes | include SIP command be used to determine whether the device is processing SIP messages instead of relying on the presence of specific configuration commands.

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. It 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 12.3(26) with an installed image name of C2500-IS-L:

Router# show version
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-IS-L), Version 12.3(26), RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by cisco Systems, Inc. 
Compiled Mon 17-Mar-08 14:39 by dchih

!--- output truncated

The following example identifies a Cisco product that is running Cisco IOS Software Release 12.4(20)T with an installed image name of C1841-ADVENTERPRISEK9-M:

Router# show version
Cisco IOS Software, 1841 Software (C1841-ADVENTERPRISEK9-M), Version 12.4(20)T,
    RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc. 
Compiled Thu 10-Jul-08 20:25 by prod_rel_team

!--- output truncated

Additional information about Cisco IOS Software release naming conventions is available in "White Paper: Cisco IOS Reference Guide" at the following link: http://www.cisco.com/warp/public/620/1.html

Note: CUCM is affected by the vulnerabilities described in this advisory. Two separate Cisco Security Advisories have been published to disclose the vulnerabilities that affect the Cisco Unified Communications Manager at the following locations:

http://www.cisco.com/warp/public/707/cisco-sa-20090826-cucm.shtml

http://www.cisco.com/warp/public/707/cisco-sa-20100922-cucm.shtml

Products Confirmed Not Vulnerable +--------------------------------

The SIP Application Layer Gateway (ALG), which is used by the Cisco IOS NAT and firewall features of Cisco IOS Software, is not 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.

Three vulnerabilities exist in the SIP implementation in Cisco IOS Software that may allow a remote attacker to cause an affected device to reload. These vulnerabilities are triggered when the device running Cisco IOS Software processes crafted SIP messages.

Note: In cases where SIP is running over TCP transport, a TCP three-way handshake is necessary to exploit these vulnerabilities.

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

CSCta20040 - Device crashes when receiving crafted SIP message

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

CSCsz43987 - IOS coredump when sending crafted packets

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

CSCtf72678 - IOS Coredump Generated when sending crafted packets

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 a reload of the device. Repeated exploitation could result in a sustained denial of service 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.

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 2010 Bundle 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 for | | 12.0-Based | First Fixed Release for | All Advisories in the | | Releases | This Advisory | September 2010 Bundle | | | | Publication | |-------------------------------------------------------------------| | There are no affected 12.0-based releases | |-------------------------------------------------------------------| | Affected | | First Fixed Release for | | 12.1-Based | First Fixed Release for | All Advisories in the | | Releases | This Advisory | September 2010 Bundle | | | | Publication | |-------------------------------------------------------------------| | There are no affected 12.1-based releases | |-------------------------------------------------------------------| | Affected | | First Fixed Release for | | 12.2-Based | First Fixed Release for | All Advisories in the | | Releases | This Advisory | September 2010 Bundle | | | | Publication | |------------+--------------------------+---------------------------| | 12.2 | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; first fixed | | | | in 12.4T | | 12.2B | Not Vulnerable | | | | | Releases up to and | | | | including 12.2(2)B7 are | | | | not vulnerable. | |------------+--------------------------+---------------------------| | 12.2BC | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2BW | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; first fixed | | | | in 12.2SB | | 12.2BX | Not Vulnerable | | | | | Releases up to and | | | | including 12.2(15)BX are | | | | not vulnerable. | |------------+--------------------------+---------------------------| | | | Vulnerable; first fixed | | | | in 12.4T | | 12.2BY | Not Vulnerable | | | | | Releases up to and | | | | including 12.2(2)BY3 are | | | | not vulnerable. | |------------+--------------------------+---------------------------| | 12.2BZ | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2CX | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2CY | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2CZ | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2DA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2DD | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2DX | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2EW | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2EWA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2EX | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2EY | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2EZ | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2FX | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2FY | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2FZ | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IRA | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IRB | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IRC | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IRD | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IRE | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXA | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXB | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXC | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXD | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXE | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXF | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXG | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2IXH | Not Vulnerable | the instructions in | | | | 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 | |------------+--------------------------+---------------------------| | | | Releases up to and | | | | including 12.2(15)MC1 are | | 12.2MC | Not Vulnerable | not vulnerable. Releases | | | | 12.2(15)MC2b and later | | | | are not vulnerable; first | | | | fixed in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2MRA | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2MRB | Not Vulnerable | 12.2(33)MRB2 | |------------+--------------------------+---------------------------| | | | Releases prior to 12.2 | | 12.2S | Not Vulnerable | (30)S are vulnerable, | | | | release 12.2(30)S and | | | | later are not vulnerable | |------------+--------------------------+---------------------------| | | | 12.2(31)SB19 | | | | | | 12.2SB | Not Vulnerable | Releases prior to 12.2 | | | | (33)SB5 are vulnerable, | | | | release 12.2(33)SB5 and | | | | later are not vulnerable | |------------+--------------------------+---------------------------| | 12.2SBC | Not Vulnerable | Vulnerable; first fixed | | | | in 12.2SB | |------------+--------------------------+---------------------------| | 12.2SCA | Not Vulnerable | Vulnerable; first fixed | | | | in 12.2SCB | |------------+--------------------------+---------------------------| | 12.2SCB | Not Vulnerable | 12.2(33)SCB9 | |------------+--------------------------+---------------------------| | 12.2SCC | Not Vulnerable | 12.2(33)SCC5 | |------------+--------------------------+---------------------------| | 12.2SCD | Not Vulnerable | 12.2(33)SCD3 | |------------+--------------------------+---------------------------| | 12.2SE | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SEA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SEB | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SEC | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SED | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SEE | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SEF | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SEG | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Releases prior to 12.2 | | | | (40)SG are vulnerable, | | 12.2SG | Not Vulnerable | release 12.2(40)SG and | | | | later are not vulnerable; | | | | migrate to any release in | | | | 12.2SGA | |------------+--------------------------+---------------------------| | 12.2SGA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SL | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SM | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SO | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SQ | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Releases prior to 12.2 | | 12.2SRA | Not Vulnerable | (33)SRA6 are vulnerable, | | | | release 12.2(33)SRA6 and | | | | later are not vulnerable | |------------+--------------------------+---------------------------| | | | Releases prior to 12.2 | | 12.2SRB | Not Vulnerable | (33)SRB1 are vulnerable, | | | | release 12.2(33)SRB1 and | | | | later are not vulnerable | |------------+--------------------------+---------------------------| | 12.2SRC | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SRD | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SRE | Not Vulnerable | 12.2(33)SRE1 | |------------+--------------------------+---------------------------| | 12.2STE | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SU | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Releases prior to 12.2 | | | | (29b)SV1 are vulnerable, | | 12.2SV | Not Vulnerable | release 12.2(29b)SV1 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 | |------------+--------------------------+---------------------------| | | | Releases up to and | | | | including 12.2(21)SW1 are | | 12.2SW | Not Vulnerable | not vulnerable. Releases | | | | 12.2(25)SW12 and later | | | | are not vulnerable; first | | | | fixed in 12.4T | |------------+--------------------------+---------------------------| | | | Releases up to and | | 12.2SX | Not Vulnerable | including 12.2(14)SX2 are | | | | not vulnerable. | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2SXA | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2SXB | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2SXD | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2SXE | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Releases prior to 12.2 | | 12.2SXF | Not Vulnerable | (18)SXF11 are vulnerable, | | | | release 12.2(18)SXF11 and | | | | later are not vulnerable | |------------+--------------------------+---------------------------| | 12.2SXH | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SXI | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2SY | Vulnerable; migrate to | Not Vulnerable | | | any release in 12.2S | | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2SZ | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2T | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2TPC | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2XA | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XB | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XC | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XD | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XE | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2XF | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2XG | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XH | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XI | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XJ | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XK | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XL | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XM | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XN | Not Vulnerable | Vulnerable; first fixed | | | | in 12.2SB | |------------+--------------------------+---------------------------| | 12.2XNA | Please see Cisco IOS-XE | Please see Cisco IOS-XE | | | Software Availability | Software Availability | |------------+--------------------------+---------------------------| | 12.2XNB | Please see Cisco IOS-XE | Please see Cisco IOS-XE | | | Software Availability | Software Availability | |------------+--------------------------+---------------------------| | 12.2XNC | Please see Cisco IOS-XE | Please see Cisco IOS-XE | | | Software Availability | Software Availability | |------------+--------------------------+---------------------------| | 12.2XND | Please see Cisco IOS-XE | Please see Cisco IOS-XE | | | Software Availability | Software Availability | |------------+--------------------------+---------------------------| | 12.2XNE | Please see Cisco IOS-XE | Please see Cisco IOS-XE | | | Software Availability | Software Availability | |------------+--------------------------+---------------------------| | 12.2XNF | Please see Cisco IOS-XE | Please see Cisco IOS-XE | | | Software Availability | Software Availability | |------------+--------------------------+---------------------------| | 12.2XO | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2XQ | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XR | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2XS | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XT | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XU | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XV | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2XW | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2YA | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YB | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YC | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YD | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YE | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YF | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2YG | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YH | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YJ | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YK | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YL | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2YM | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YN | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2YO | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2YP | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2YQ | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2YR | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2YS | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YT | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YU | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Releases prior to 12.2 | | 12.2YV | Not Vulnerable | (11)YV1 are vulnerable, | | | | release 12.2(11)YV1 and | | | | later are not vulnerable | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YW | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YX | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YY | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2YZ | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2ZA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Releases up to and | | 12.2ZB | Not Vulnerable | including 12.2(8)ZB are | | | | not vulnerable. | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZC | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZD | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2ZE | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2ZF | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.2ZG | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.2ZH | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZJ | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZL | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZP | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZU | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.2ZX | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZY | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.2ZYA | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | Affected | | First Fixed Release for | | 12.3-Based | First Fixed Release for | All Advisories in the | | Releases | This Advisory | September 2010 Bundle | | | | Publication | |------------+--------------------------+---------------------------| | 12.3 | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3B | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3BC | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3BW | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3EU | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3JA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3JEA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3JEB | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3JEC | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3JED | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | Releases up to and | | | | including 12.3(2)JK3 are | Releases up to and | | | not vulnerable. | including 12.3(2)JK3 are | | 12.3JK | | not vulnerable. Releases | | | Releases 12.3(8)JK1 and | 12.3(8)JK1 and later are | | | later are not | not vulnerable; first | | | vulnerable; first fixed | fixed in 12.4T | | | in 12.4T | | |------------+--------------------------+---------------------------| | 12.3JL | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.3JX | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | | Vulnerable; first fixed | | | | in 12.4T | | | 12.3T | | Vulnerable; first fixed | | | Releases up to and | in 12.4T | | | including 12.3(4)T11 are | | | | not vulnerable. | | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.3TPC | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.3VA | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XA | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.3XB | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.3XC | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XD | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XE | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | Vulnerable; Contact your | Vulnerable; Contact your | | | support organization per | support organization per | | 12.3XF | the instructions in | the instructions in | | | Obtaining Fixed Software | Obtaining Fixed Software | | | section of this advisory | section of this advisory | |------------+--------------------------+---------------------------| | 12.3XG | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | | Releases prior to 12.3 | Releases prior to 12.3(7) | | | (7)XI11 are vulnerable, | XI11 are vulnerable, | | 12.3XI | release 12.3(7)XI11 and | release 12.3(7)XI11 and | | | later are not vulnerable | later are not vulnerable; | | | | first fixed in 12.2SB | |------------+--------------------------+---------------------------| | 12.3XJ | Vulnerable; migrate to | Vulnerable; first fixed | | | any release in 12.4XN | in 12.4XR | |------------+--------------------------+---------------------------| | 12.3XK | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XL | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XQ | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XR | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XS | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | Vulnerable; first fixed | | | | in 12.4T | | | 12.3XU | | Vulnerable; first fixed | | | Releases up to and | in 12.4T | | | including 12.3(8)XU1 are | | | | not vulnerable. | | |------------+--------------------------+---------------------------| | 12.3XW | Vulnerable; migrate to | Vulnerable; first fixed | | | any release in 12.4XN | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XX | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XY | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3XZ | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YA | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YD | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YF | Vulnerable; migrate to | Vulnerable; first fixed | | | any release in 12.4XN | in 12.4XR | |------------+--------------------------+---------------------------| | 12.3YG | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YH | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YI | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YJ | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | Releases prior to 12.3 | | | | (11)YK3 are vulnerable, | | | 12.3YK | release 12.3(11)YK3 and | Vulnerable; first fixed | | | later are not | in 12.4T | | | vulnerable; first fixed | | | | in 12.4T | | |------------+--------------------------+---------------------------| | 12.3YM | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YQ | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | | Vulnerable; first fixed | | | | in 12.4T | | | 12.3YS | | Vulnerable; first fixed | | | Releases up to and | in 12.4T | | | including 12.3(11)YS1 | | | | are not vulnerable. | | |------------+--------------------------+---------------------------| | 12.3YT | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YU | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.3YX | Vulnerable; migrate to | Vulnerable; first fixed | | | any release in 12.4XN | in 12.4XR | |------------+--------------------------+---------------------------| | | Vulnerable; Contact your | Vulnerable; Contact your | | | support organization per | support organization per | | 12.3YZ | the instructions in | the instructions in | | | Obtaining Fixed Software | Obtaining Fixed Software | | | section of this advisory | section of this advisory | |------------+--------------------------+---------------------------| | 12.3ZA | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | Affected | | First Fixed Release for | | 12.4-Based | First Fixed Release for | All Advisories in the | | Releases | This Advisory | September 2010 Bundle | | | | Publication | |------------+--------------------------+---------------------------| | 12.4 | 12.4(25d) | 12.4(25d) | |------------+--------------------------+---------------------------| | 12.4GC | 12.4(24)GC2 | 12.4(24)GC2 | |------------+--------------------------+---------------------------| | 12.4JA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.4JDA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.4JDC | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.4JDD | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.4JHA | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.4JHB | 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 | |------------+--------------------------+---------------------------| | 12.4JX | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.4JY | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | 12.4MD | Not Vulnerable | 12.4(24)MD2 | |------------+--------------------------+---------------------------| | 12.4MDA | Not Vulnerable | 12.4(22)MDA4 | |------------+--------------------------+---------------------------| | 12.4MR | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4MRA | in 12.4MRA | |------------+--------------------------+---------------------------| | 12.4MRA | 12.4(20)MRA1 | 12.4(20)MRA1 | |------------+--------------------------+---------------------------| | 12.4SW | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | 12.4(15)T14 | 12.4(15)T14 | | | | | | 12.4T | 12.4(24)T4 | 12.4(24)T4 | | | | | | | 12.4(20)T6 | 12.4(20)T6 | |------------+--------------------------+---------------------------| | 12.4XA | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XB | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XC | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XD | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | | Releases prior to 12.4 | Releases prior to 12.4(6) | | | (6)XE5 are vulnerable, | XE5 are vulnerable, | | 12.4XE | release 12.4(6)XE5 and | release 12.4(6)XE5 and | | | later are not | later are not vulnerable; | | | vulnerable; first fixed | first fixed in 12.4T | | | in 12.4T | | |------------+--------------------------+---------------------------| | 12.4XF | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XG | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XJ | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XK | Not Vulnerable | Vulnerable; first fixed | | | | in 12.4T | |------------+--------------------------+---------------------------| | | Vulnerable; Contact your | Vulnerable; Contact your | | | support organization per | support organization per | | 12.4XL | the instructions in | the instructions in | | | Obtaining Fixed Software | Obtaining Fixed Software | | | section of this advisory | section of this advisory | |------------+--------------------------+---------------------------| | | Releases up to and | | | | including 12.4(15)XM are | | | | not vulnerable. | | | 12.4XM | | Vulnerable; first fixed | | | Releases 12.4(15)XM3 and | in 12.4T | | | later are not | | | | vulnerable; first fixed | | | | in 12.4T | | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.4XN | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | | Vulnerable; Contact your | Vulnerable; Contact your | | | support organization per | support organization per | | 12.4XP | the instructions in | the instructions in | | | Obtaining Fixed Software | Obtaining Fixed Software | | | section of this advisory | section of this advisory | |------------+--------------------------+---------------------------| | 12.4XQ | Not Vulnerable | 12.4(15)XQ6; Available on | | | | 22-SEP-10 | |------------+--------------------------+---------------------------| | | | 12.4(15)XR9 | | 12.4XR | Not Vulnerable | | | | | 12.4(22)XR7 | |------------+--------------------------+---------------------------| | 12.4XT | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | | Vulnerable; Contact your | Vulnerable; Contact your | | | support organization per | support organization per | | 12.4XV | the instructions in | the instructions in | | | Obtaining Fixed Software | Obtaining Fixed Software | | | section of this advisory | section of this advisory | |------------+--------------------------+---------------------------| | 12.4XW | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XY | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.4XZ | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | 12.4YA | Vulnerable; first fixed | Vulnerable; first fixed | | | in 12.4T | in 12.4T | |------------+--------------------------+---------------------------| | | Vulnerable; Contact your | Vulnerable; Contact your | | | support organization per | support organization per | | 12.4YB | the instructions in | the instructions in | | | Obtaining Fixed Software | Obtaining Fixed Software | | | section of this advisory | section of this advisory | |------------+--------------------------+---------------------------| | | | Vulnerable; Contact your | | | | support organization per | | 12.4YD | Not Vulnerable | the instructions in | | | | Obtaining Fixed Software | | | | section of this advisory | |------------+--------------------------+---------------------------| | 12.4YE | Not Vulnerable | 12.4(24)YE1 | |------------+--------------------------+---------------------------| | 12.4YG | Not Vulnerable | 12.4(24)YG3 | |------------+--------------------------+---------------------------| | Affected | | First Fixed Release for | | 15.0-Based | First Fixed Release for | All Advisories in the | | Releases | This Advisory | September 2010 Bundle | | | | Publication | |------------+--------------------------+---------------------------| | 15.0M | 15.0(1)M3 | 15.0(1)M3 | |------------+--------------------------+---------------------------| | | Cisco 7600 and 10000 | Cisco 7600 and 10000 | | | Series routers: Not | Series routers: 15.0(1)S1 | | | Vulnerable | (available early October | | | | 2010). | | 15.0S | Cisco ASR 1000 Series | | | | routes: Please see Cisco | Cisco ASR 1000 Series | | | IOS-XE Software | routes: Please see Cisco | | | Availability | IOS-XE Software | | | | Availability | |------------+--------------------------+---------------------------| | 15.0XA | 15.0(1)XA4 | Vulnerable; first fixed | | | | in 15.1T | |------------+--------------------------+---------------------------| | 15.0XO | Not Vulnerable | Not Vulnerable | |------------+--------------------------+---------------------------| | Affected | | First Fixed Release for | | 15.1-Based | First Fixed Release for | All Advisories in the | | Releases | This Advisory | September 2010 Bundle | | | | Publication | |------------+--------------------------+---------------------------| | | 15.1(2)T0a | | | 15.1T | | 15.1(2)T1 | | | 15.1(1)T1 | | |------------+--------------------------+---------------------------| | 15.1XB | 15.1(1)XB | Vulnerable; first fixed | | | | in 15.1T | +-------------------------------------------------------------------+

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

+-------------------------------------------------------------------+ | Cisco IOS | First Fixed | First Fixed Release for All | | XE | Release for This | Advisories in the September 2010 | | Release | Advisory | Bundle Publication | |-----------+------------------+------------------------------------| | 2.1.x | Not Vulnerable | Not Vulnerable | |-----------+------------------+------------------------------------| | 2.2.x | Not Vulnerable | Not Vulnerable | |-----------+------------------+------------------------------------| | 2.3.x | Not Vulnerable | Not Vulnerable | |-----------+------------------+------------------------------------| | 2.4.x | Not Vulnerable | Not Vulnerable | |-----------+------------------+------------------------------------| | | Vulnerable; | Vulnerable; migrate to 2.6.2 or | | 2.5.x | migrate to 2.6.2 | later | | | or later | | |-----------+------------------+------------------------------------| | 2.6.x | 2.6.1 | 2.6.2 | |-----------+------------------+------------------------------------| | 3.1.xS | Not Vulnerable | Not Vulnerable | +-------------------------------------------------------------------+

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

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

Cisco IOS XR Software is not affected by the vulnerabilities disclosed in the September 22, 2010, Cisco IOS Software Security Advisory 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 anti-spoofing measures 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", which is available at the following location: http://www.cisco.com/warp/public/707/cisco-amb-20100922-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 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, 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 emit 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 easily spoof the IP address of the sender, which may defeat access control lists that permit communication to these ports from trusted IP addresses.

In the above CoPP example, the access control entries (ACEs) that match the potential exploit packets with the "permit" action result in these packets being discarded by the policy-map "drop" function, while 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 vulnerability 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-20100922-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 | | Initial | | 1.0 | 2010-September-22 | 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 -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (Darwin)

iEYEARECAAYFAkyZ/SsACgkQ86n/Gc8U/uAExQCePGMUBQypd2bPNr1CbH19j1h3 9WgAn0czHTv1JOH6pJl2Bz4MRrPzokRR =6+8R -----END PGP SIGNATURE-----

Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/ . The Session Initiation Protocol (SIP) and Skinny Client Control Protocol (SCCP) services are affected by these vulnerabilities. There are no workarounds for these vulnerabilities.

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. To mitigate against this vulnerability, administrators are advised to restrict access to TCP and UDP port 5060 on vulnerable Cisco Unified Communications Manager 4.x systems that are configured to use SIP trunks with screening devices to valid SIP trunk end points.

Network Connection Tracking Vulnerability +----------------------------------------

Cisco Unified Communications Manager contains a DoS vulnerability that involves the tracking of network connections by the embedded operating system firewall. By establishing many TCP connections with a vulnerable system, an attacker could overwhelm the operating system table that is used to track network connections and prevent new connections from being established to system services. Any service that listens to a TCP port on a vulnerable system could be affected by this vulnerability, including SIP and SCCP. This action could prevent new connections from being established to the SIP and SCCP services. Administrators can mitigate the SCCP- and SIP-related vulnerabilities by implementing filtering on screening devices to permit access to TCP ports 2000 and 2443, and TCP and UDP ports 5060 and 5061 only from networks that need SCCP and SIP access to Cisco Unified Communications Manager servers. ----------------------------------------------------------------------

Windows Applications Insecure Library Loading

The Official, Verified Secunia List: http://secunia.com/advisories/windows_insecure_library_loading/

The list is continuously updated as we confirm the vulnerability reports so check back regularly too see if any of your apps are affected.

Successful exploitation of the vulnerabilities requires that SIP voice services are enabled.

SOLUTION: Apply updates (please see the vendor's advisory for details)

Show details on source website

To clipboard 

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    "data": "Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 4.x, 5.x before 5.1(3g), 6.x before 6.1(4), and 7.x before 7.1(2) allow remote attackers to cause a denial of service (device reload or voice-services outage) via a malformed SIP INVITE message that triggers an improper call to the sipSafeStrlen function, aka Bug IDs CSCsz40392 and CSCsz43987. plural Cisco The product includes SIP Service operation is interrupted due to incomplete processing (DoS) There is a vulnerability that becomes a condition. The problem is Bug IDs CSCsz40392 and CSCsz43987 It is a problem.Unauthorized by a third party SIP INVITE Via message sipSafeStrlen Inappropriate call to function is triggered, causing service disruption (DoS) There is a possibility of being put into a state. Cisco Unified Communications Manager is prone to multiple denial-of-service vulnerabilities. \nAn attacker can exploit these issues to cause denial-of-service conditions in the affected application. \nThese issues are documented by these Cisco bug IDs:\nCSCsi46466\nCSCsz40392\nCSCsq22534\nCSCsx32236\nCSCsx23689. ----------------------------------------------------------------------\n\nDo you have VARM strategy implemented?\n\n(Vulnerability Assessment Remediation Management)  \n\nIf not, then implement it through the most reliable vulnerability\nintelligence source on the market. \n\nImplement it through Secunia. \n\nSOLUTION:\nUpdate to version 5.1(3g) (reportedly available in early September\n2009). \n\nPROVIDED AND/OR DISCOVERED BY:\nReported by the vendor. \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\n----------------------------------------------------------------------\n\nUnsubscribe: Secunia Security Advisories\nhttp://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org\n\n----------------------------------------------------------------------\n\n\n. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA1\n\nCisco Security Advisory: Cisco IOS Software Session Initiation\nProtocol Denial of Service Vulnerabilities\n\nAdvisory ID: cisco-sa-20100922-sip\n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20100922-sip.shtml\n\nRevision 1.0\n\nFor Public Release 2010 September 22 1600 UTC (GMT)\n\n- ---------------------------------------------------------------------\n\nSummary\n=======\n\nMultiple vulnerabilities exist in the Session Initiation Protocol\n(SIP) implementation in Cisco IOS^  Software that could allow an\nunauthenticated, remote attacker to cause a reload of an affected\ndevice when SIP operation is enabled. \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-20100922-sip.shtml\n\nNote:  The September 22, 2010, Cisco IOS Software Security Advisory\nbundled publication includes six Cisco Security Advisories. Each advisory lists the releases that correct the\nvulnerability or vulnerabilities detailed in the advisory. The table\nat the following URL lists releases that correct all Cisco IOS\nSoftware vulnerabilities that have been published on September 22,\n2010, or earlier:\n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20100922-bundle.shtml\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_sep10.html\n\nCisco Unified Communications Manager (CUCM) is affected by the\nvulnerabilities described in this advisory. \n\nVulnerable Products\n+------------------\n\nCisco devices are affected when they are running affected Cisco IOS\nSoftware versions that are configured to process SIP messages. \n\nRecent versions of Cisco IOS Software do not process SIP messages by\ndefault. Creating a dial peer by issuing the dial-peer voice command\nwill start the SIP processes, causing the Cisco IOS device to process\nSIP messages. In addition, several features within Cisco Unified\nCommunications Manager Express, such as ePhones, will also\nautomatically start the SIP process when they are configured, causing\nthe device to start processing SIP messages. An example of an\naffected 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\ndial-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\nCisco IOS 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\nSoftware can start processing SIP messages, it is recommended that\nthe show processes | include SIP command be used to determine whether\nthe device is processing SIP messages instead of relying on the\npresence of specific configuration commands. \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. It\nprovides a network-to-network interface point for billing, security,\ncall admission control, quality of service, and signaling\ninterworking. \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\nshow 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 12.3(26) with an installed image name of\nC2500-IS-L:\n\n    Router# show version\n    Cisco Internetwork Operating System Software\n    IOS (tm) 2500 Software (C2500-IS-L), Version 12.3(26), RELEASE SOFTWARE (fc2)\n    Technical Support: http://www.cisco.com/techsupport\n    Copyright (c) 1986-2008 by cisco Systems, Inc. \n    Compiled Mon 17-Mar-08 14:39 by dchih\n\n    !--- output truncated\n\n\n\nThe following example identifies a Cisco product that is running\nCisco IOS Software Release 12.4(20)T with an installed image name of\nC1841-ADVENTERPRISEK9-M:\n\n    Router# show version\n    Cisco IOS Software, 1841 Software (C1841-ADVENTERPRISEK9-M), Version 12.4(20)T,\n        RELEASE SOFTWARE (fc3)\n    Technical Support: http://www.cisco.com/techsupport\n    Copyright (c) 1986-2008 by Cisco Systems, Inc. \n    Compiled Thu 10-Jul-08 20:25 by prod_rel_team\n\n    !--- output truncated\n\n\nAdditional information about Cisco IOS Software release naming\nconventions is available in \"White Paper: Cisco IOS Reference Guide\"\nat the following link: http://www.cisco.com/warp/public/620/1.html\n\nNote: CUCM is affected by the vulnerabilities described in this\nadvisory. Two separate Cisco Security Advisories have been published\nto disclose the vulnerabilities that affect the Cisco Unified\nCommunications Manager at the following locations:\n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20090826-cucm.shtml\n\nhttp://www.cisco.com/warp/public/707/cisco-sa-20100922-cucm.shtml\n\nProducts Confirmed Not Vulnerable\n+--------------------------------\n\nThe SIP Application Layer Gateway (ALG), which is used by the Cisco\nIOS NAT and firewall features of Cisco IOS Software, is not affected\nby 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. \n\nThree vulnerabilities exist in the SIP implementation in Cisco IOS\nSoftware that may allow a remote attacker to cause an affected device\nto reload. These vulnerabilities are triggered when the device\nrunning Cisco IOS Software processes crafted SIP messages. \n\nNote: In cases where SIP is running over TCP transport, a TCP\nthree-way handshake is necessary to exploit these vulnerabilities. \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\nCSCta20040 - Device crashes when receiving crafted SIP message\n\nCVSS Base Score - 7.8\nAccess Vector           Network\nAccess Complexity       Low\nAuthentication          None\nConfidentiality Impact  None\nIntegrity Impact        None\nAvailability Impact     Complete\n\nCVSS Temporal Score - 6.4\nExploitability          Functional\nRemediation Level       Official Fix\nReport Confidence       Confirmed\n\nCSCsz43987 - IOS coredump when sending crafted packets\n\nCVSS Base Score - 7.8\nAccess Vector           Network\nAccess Complexity       Low\nAuthentication          None\nConfidentiality Impact  None\nIntegrity Impact        None\nAvailability Impact     Complete\n\nCVSS Temporal Score - 6.4\nExploitability          Functional\nRemediation Level       Official Fix\nReport Confidence       Confirmed\n\nCSCtf72678 - IOS Coredump Generated when sending crafted packets\n\nCVSS Base Score - 7.8\nAccess Vector           Network\nAccess Complexity       Low\nAuthentication          None\nConfidentiality Impact  None\nIntegrity Impact        None\nAvailability Impact     Complete\n\nCVSS Temporal Score - 6.4\nExploitability          Functional\nRemediation Level       Official Fix\nReport Confidence       Confirmed\n\nImpact\n======\n\nSuccessful exploitation of the vulnerabilities in this advisory may\nresult in a reload of the device. Repeated exploitation could result\nin a sustained denial of service 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 \ndetermine exposure 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\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 2010 Bundle 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 for  |\n| 12.0-Based | First Fixed Release for  |   All Advisories in the   |\n|  Releases  |      This Advisory       |   September 2010 Bundle   |\n|            |                          |        Publication        |\n|-------------------------------------------------------------------|\n| There are no affected 12.0-based releases                         |\n|-------------------------------------------------------------------|\n|  Affected  |                          |  First Fixed Release for  |\n| 12.1-Based | First Fixed Release for  |   All Advisories in the   |\n|  Releases  |      This Advisory       |   September 2010 Bundle   |\n|            |                          |        Publication        |\n|-------------------------------------------------------------------|\n| There are no affected 12.1-based releases                         |\n|-------------------------------------------------------------------|\n|  Affected  |                          |  First Fixed Release for  |\n| 12.2-Based | First Fixed Release for  |   All Advisories in the   |\n|  Releases  |      This Advisory       |   September 2010 Bundle   |\n|            |                          |        Publication        |\n|------------+--------------------------+---------------------------|\n| 12.2       | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n| 12.2B      | Not Vulnerable           |                           |\n|            |                          | Releases up to and        |\n|            |                          | including 12.2(2)B7 are   |\n|            |                          | not vulnerable.           |\n|------------+--------------------------+---------------------------|\n| 12.2BC     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2BW     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; first fixed   |\n|            |                          | in 12.2SB                 |\n| 12.2BX     | Not Vulnerable           |                           |\n|            |                          | Releases up to and        |\n|            |                          | including 12.2(15)BX are  |\n|            |                          | not vulnerable.           |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n| 12.2BY     | Not Vulnerable           |                           |\n|            |                          | Releases up to and        |\n|            |                          | including 12.2(2)BY3 are  |\n|            |                          | not vulnerable.           |\n|------------+--------------------------+---------------------------|\n| 12.2BZ     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2CX     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2CY     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2CZ     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2DA     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2DD     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2DX     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2EW     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2EWA    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2EX     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2EY     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2EZ     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2FX     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2FY     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2FZ     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IRA    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IRB    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IRC    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IRD    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IRE    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXA    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXB    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXC    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXD    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXE    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXF    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXG    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2IXH    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of 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|            |                          | Releases up to and        |\n|            |                          | including 12.2(15)MC1 are |\n| 12.2MC     | Not Vulnerable           | not vulnerable. Releases  |\n|            |                          | 12.2(15)MC2b and later    |\n|            |                          | are not vulnerable; first |\n|            |                          | fixed in 12.4T            |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2MRA    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2MRB    | Not Vulnerable           | 12.2(33)MRB2              |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases prior to 12.2    |\n| 12.2S      | Not Vulnerable           | (30)S are vulnerable,     |\n|            |                          | release 12.2(30)S and     |\n|            |                          | later are not vulnerable  |\n|------------+--------------------------+---------------------------|\n|            |                          | 12.2(31)SB19              |\n|            |                          |                           |\n| 12.2SB     | Not Vulnerable           | Releases prior to 12.2    |\n|            |                          | (33)SB5 are vulnerable,   |\n|            |                          | release 12.2(33)SB5 and   |\n|            |                          | later are not vulnerable  |\n|------------+--------------------------+---------------------------|\n| 12.2SBC    | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.2SB                 |\n|------------+--------------------------+---------------------------|\n| 12.2SCA    | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.2SCB                |\n|------------+--------------------------+---------------------------|\n| 12.2SCB    | Not Vulnerable           | 12.2(33)SCB9              |\n|------------+--------------------------+---------------------------|\n| 12.2SCC    | Not Vulnerable           | 12.2(33)SCC5              |\n|------------+--------------------------+---------------------------|\n| 12.2SCD    | Not Vulnerable           | 12.2(33)SCD3              |\n|------------+--------------------------+---------------------------|\n| 12.2SE     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SEA    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SEB    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SEC    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SED    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SEE    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SEF    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SEG    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases prior to 12.2    |\n|            |                          | (40)SG are vulnerable,    |\n| 12.2SG     | Not Vulnerable           | release 12.2(40)SG and    |\n|            |                          | later are not vulnerable; |\n|            |                          | migrate to any release in |\n|            |                          | 12.2SGA                   |\n|------------+--------------------------+---------------------------|\n| 12.2SGA    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SL     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SM     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SO     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SQ     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases prior to 12.2    |\n| 12.2SRA    | Not Vulnerable           | (33)SRA6 are vulnerable,  |\n|            |                          | release 12.2(33)SRA6 and  |\n|            |                          | later are not vulnerable  |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases prior to 12.2    |\n| 12.2SRB    | Not Vulnerable           | (33)SRB1 are vulnerable,  |\n|            |                          | release 12.2(33)SRB1 and  |\n|            |                          | later are not vulnerable  |\n|------------+--------------------------+---------------------------|\n| 12.2SRC    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SRD    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SRE    | Not Vulnerable           | 12.2(33)SRE1              |\n|------------+--------------------------+---------------------------|\n| 12.2STE    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SU     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases prior to 12.2    |\n|            |                          | (29b)SV1 are vulnerable,  |\n| 12.2SV     | Not Vulnerable           | release 12.2(29b)SV1 and  |\n|            |                          | later are not vulnerable; |\n|            |                          | migrate to any release in |\n|            |                          | 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|            |                          | Releases up to and        |\n|            |                          | including 12.2(21)SW1 are |\n| 12.2SW     | Not Vulnerable           | not vulnerable. Releases  |\n|            |                          | 12.2(25)SW12 and later    |\n|            |                          | are not vulnerable; first |\n|            |                          | fixed in 12.4T            |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases up to and        |\n| 12.2SX     | Not Vulnerable           | including 12.2(14)SX2 are |\n|            |                          | not vulnerable.           |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2SXA    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2SXB    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2SXD    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2SXE    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases prior to 12.2    |\n| 12.2SXF    | Not Vulnerable           | (18)SXF11 are vulnerable, |\n|            |                          | release 12.2(18)SXF11 and |\n|            |                          | later are not vulnerable  |\n|------------+--------------------------+---------------------------|\n| 12.2SXH    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SXI    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2SY     | Vulnerable; migrate to   | Not Vulnerable            |\n|            | any release in 12.2S     |                           |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2SZ     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2T      | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2TPC    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2XA     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XB     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XC     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XD     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XE     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2XF     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2XG     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XH     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XI     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XJ     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XK     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XL     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XM     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XN     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.2SB                 |\n|------------+--------------------------+---------------------------|\n| 12.2XNA    | Please see Cisco IOS-XE  | Please see Cisco IOS-XE   |\n|            | Software Availability    | Software Availability     |\n|------------+--------------------------+---------------------------|\n| 12.2XNB    | Please see Cisco IOS-XE  | Please see Cisco IOS-XE   |\n|            | Software Availability    | Software Availability     |\n|------------+--------------------------+---------------------------|\n| 12.2XNC    | Please see Cisco IOS-XE  | Please see Cisco IOS-XE   |\n|            | Software Availability    | Software Availability     |\n|------------+--------------------------+---------------------------|\n| 12.2XND    | Please see Cisco IOS-XE  | Please see Cisco IOS-XE   |\n|            | Software Availability    | Software Availability     |\n|------------+--------------------------+---------------------------|\n| 12.2XNE    | Please see Cisco IOS-XE  | Please see Cisco IOS-XE   |\n|            | Software Availability    | Software Availability     |\n|------------+--------------------------+---------------------------|\n| 12.2XNF    | Please see Cisco IOS-XE  | Please see Cisco IOS-XE   |\n|            | Software Availability    | Software Availability     |\n|------------+--------------------------+---------------------------|\n| 12.2XO     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2XQ     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XR     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2XS     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XT     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XU     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XV     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2XW     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2YA     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YB     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YC     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YD     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YE     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YF     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2YG     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YH     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YJ     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YK     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YL     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2YM     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YN     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2YO     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2YP     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2YQ     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2YR     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2YS     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YT     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YU     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases prior to 12.2    |\n| 12.2YV     | Not Vulnerable           | (11)YV1 are vulnerable,   |\n|            |                          | release 12.2(11)YV1 and   |\n|            |                          | later are not vulnerable  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YW     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YX     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YY     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2YZ     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2ZA     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Releases up to and        |\n| 12.2ZB     | Not Vulnerable           | including 12.2(8)ZB are   |\n|            |                          | not vulnerable.           |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZC     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZD     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2ZE     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2ZF     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.2ZG     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.2ZH     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZJ     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZL     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZP     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZU     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.2ZX     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZY     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.2ZYA    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|  Affected  |                          |  First Fixed Release for  |\n| 12.3-Based | First Fixed Release for  |   All Advisories in the   |\n|  Releases  |      This Advisory       |   September 2010 Bundle   |\n|            |                          |        Publication        |\n|------------+--------------------------+---------------------------|\n| 12.3       | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3B      | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3BC     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3BW     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3EU     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3JA     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3JEA    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3JEB    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3JEC    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3JED    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            | Releases up to and       |                           |\n|            | including 12.3(2)JK3 are | Releases up to and        |\n|            | not vulnerable.          | including 12.3(2)JK3 are  |\n| 12.3JK     |                          | not vulnerable. Releases  |\n|            | Releases 12.3(8)JK1 and  | 12.3(8)JK1 and later are  |\n|            | later are not            | not vulnerable; first     |\n|            | vulnerable; first fixed  | fixed in 12.4T            |\n|            | in 12.4T                 |                           |\n|------------+--------------------------+---------------------------|\n| 12.3JL     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.3JX     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; first fixed  |                           |\n|            | in 12.4T                 |                           |\n| 12.3T      |                          | Vulnerable; first fixed   |\n|            | Releases up to and       | in 12.4T                  |\n|            | including 12.3(4)T11 are |                           |\n|            | not vulnerable.          |                           |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.3TPC    | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.3VA     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XA     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.3XB     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.3XC     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XD     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XE     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; Contact your | Vulnerable; Contact your  |\n|            | support organization per | support organization per  |\n| 12.3XF     | the instructions in      | the instructions in       |\n|            | Obtaining Fixed Software | Obtaining Fixed Software  |\n|            | section of this advisory | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.3XG     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Releases prior to 12.3   | Releases prior to 12.3(7) |\n|            | (7)XI11 are vulnerable,  | XI11 are vulnerable,      |\n| 12.3XI     | release 12.3(7)XI11 and  | release 12.3(7)XI11 and   |\n|            | later are not vulnerable | later are not vulnerable; |\n|            |                          | first fixed in 12.2SB     |\n|------------+--------------------------+---------------------------|\n| 12.3XJ     | Vulnerable; migrate to   | Vulnerable; first fixed   |\n|            | any release in 12.4XN    | in 12.4XR                 |\n|------------+--------------------------+---------------------------|\n| 12.3XK     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XL     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XQ     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XR     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XS     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; first fixed  |                           |\n|            | in 12.4T                 |                           |\n| 12.3XU     |                          | Vulnerable; first fixed   |\n|            | Releases up to and       | in 12.4T                  |\n|            | including 12.3(8)XU1 are |                           |\n|            | not vulnerable.          |                           |\n|------------+--------------------------+---------------------------|\n| 12.3XW     | Vulnerable; migrate to   | Vulnerable; first fixed   |\n|            | any release in 12.4XN    | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XX     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XY     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3XZ     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YA     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YD     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YF     | Vulnerable; migrate to   | Vulnerable; first fixed   |\n|            | any release in 12.4XN    | in 12.4XR                 |\n|------------+--------------------------+---------------------------|\n| 12.3YG     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YH     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YI     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YJ     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Releases prior to 12.3   |                           |\n|            | (11)YK3 are vulnerable,  |                           |\n| 12.3YK     | release 12.3(11)YK3 and  | Vulnerable; first fixed   |\n|            | later are not            | in 12.4T                  |\n|            | vulnerable; first fixed  |                           |\n|            | in 12.4T                 |                           |\n|------------+--------------------------+---------------------------|\n| 12.3YM     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YQ     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; first fixed  |                           |\n|            | in 12.4T                 |                           |\n| 12.3YS     |                          | Vulnerable; first fixed   |\n|            | Releases up to and       | in 12.4T                  |\n|            | including 12.3(11)YS1    |                           |\n|            | are not vulnerable.      |                           |\n|------------+--------------------------+---------------------------|\n| 12.3YT     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YU     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.3YX     | Vulnerable; migrate to   | Vulnerable; first fixed   |\n|            | any release in 12.4XN    | in 12.4XR                 |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; Contact your | Vulnerable; Contact your  |\n|            | support organization per | support organization per  |\n| 12.3YZ     | the instructions in      | the instructions in       |\n|            | Obtaining Fixed Software | Obtaining Fixed Software  |\n|            | section of this advisory | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.3ZA     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|  Affected  |                          |  First Fixed Release for  |\n| 12.4-Based | First Fixed Release for  |   All Advisories in the   |\n|  Releases  |      This Advisory       |   September 2010 Bundle   |\n|            |                          |        Publication        |\n|------------+--------------------------+---------------------------|\n| 12.4       | 12.4(25d)                | 12.4(25d)                 |\n|------------+--------------------------+---------------------------|\n| 12.4GC     | 12.4(24)GC2              | 12.4(24)GC2               |\n|------------+--------------------------+---------------------------|\n| 12.4JA     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.4JDA    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.4JDC    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.4JDD    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.4JHA    | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.4JHB    | 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| 12.4JX     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.4JY     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n| 12.4MD     | Not Vulnerable           | 12.4(24)MD2               |\n|------------+--------------------------+---------------------------|\n| 12.4MDA    | Not Vulnerable           | 12.4(22)MDA4              |\n|------------+--------------------------+---------------------------|\n| 12.4MR     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4MRA               | in 12.4MRA                |\n|------------+--------------------------+---------------------------|\n| 12.4MRA    | 12.4(20)MRA1             | 12.4(20)MRA1              |\n|------------+--------------------------+---------------------------|\n| 12.4SW     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | 12.4(15)T14              | 12.4(15)T14               |\n|            |                          |                           |\n| 12.4T      | 12.4(24)T4               | 12.4(24)T4                |\n|            |                          |                           |\n|            | 12.4(20)T6               | 12.4(20)T6                |\n|------------+--------------------------+---------------------------|\n| 12.4XA     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XB     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XC     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XD     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Releases prior to 12.4   | Releases prior to 12.4(6) |\n|            | (6)XE5 are vulnerable,   | XE5 are vulnerable,       |\n| 12.4XE     | release 12.4(6)XE5 and   | release 12.4(6)XE5 and    |\n|            | later are not            | later are not vulnerable; |\n|            | vulnerable; first fixed  | first fixed in 12.4T      |\n|            | in 12.4T                 |                           |\n|------------+--------------------------+---------------------------|\n| 12.4XF     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XG     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XJ     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XK     | Not Vulnerable           | Vulnerable; first fixed   |\n|            |                          | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; Contact your | Vulnerable; Contact your  |\n|            | support organization per | support organization per  |\n| 12.4XL     | the instructions in      | the instructions in       |\n|            | Obtaining Fixed Software | Obtaining Fixed Software  |\n|            | section of this advisory | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            | Releases up to and       |                           |\n|            | including 12.4(15)XM are |                           |\n|            | not vulnerable.          |                           |\n| 12.4XM     |                          | Vulnerable; first fixed   |\n|            | Releases 12.4(15)XM3 and | in 12.4T                  |\n|            | later are not            |                           |\n|            | vulnerable; first fixed  |                           |\n|            | in 12.4T                 |                           |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.4XN     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; Contact your | Vulnerable; Contact your  |\n|            | support organization per | support organization per  |\n| 12.4XP     | the instructions in      | the instructions in       |\n|            | Obtaining Fixed Software | Obtaining Fixed Software  |\n|            | section of this advisory | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.4XQ     | Not Vulnerable           | 12.4(15)XQ6; Available on |\n|            |                          | 22-SEP-10                 |\n|------------+--------------------------+---------------------------|\n|            |                          | 12.4(15)XR9               |\n| 12.4XR     | Not Vulnerable           |                           |\n|            |                          | 12.4(22)XR7               |\n|------------+--------------------------+---------------------------|\n| 12.4XT     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; Contact your | Vulnerable; Contact your  |\n|            | support organization per | support organization per  |\n| 12.4XV     | the instructions in      | the instructions in       |\n|            | Obtaining Fixed Software | Obtaining Fixed Software  |\n|            | section of this advisory | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.4XW     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XY     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4XZ     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n| 12.4YA     | Vulnerable; first fixed  | Vulnerable; first fixed   |\n|            | in 12.4T                 | in 12.4T                  |\n|------------+--------------------------+---------------------------|\n|            | Vulnerable; Contact your | Vulnerable; Contact your  |\n|            | support organization per | support organization per  |\n| 12.4YB     | the instructions in      | the instructions in       |\n|            | Obtaining Fixed Software | Obtaining Fixed Software  |\n|            | section of this advisory | section of this advisory  |\n|------------+--------------------------+---------------------------|\n|            |                          | Vulnerable; Contact your  |\n|            |                          | support organization per  |\n| 12.4YD     | Not Vulnerable           | the instructions in       |\n|            |                          | Obtaining Fixed Software  |\n|            |                          | section of this advisory  |\n|------------+--------------------------+---------------------------|\n| 12.4YE     | Not Vulnerable           | 12.4(24)YE1               |\n|------------+--------------------------+---------------------------|\n| 12.4YG     | Not Vulnerable           | 12.4(24)YG3               |\n|------------+--------------------------+---------------------------|\n|  Affected  |                          |  First Fixed Release for  |\n| 15.0-Based | First Fixed Release for  |   All Advisories in the   |\n|  Releases  |      This Advisory       |   September 2010 Bundle   |\n|            |                          |        Publication        |\n|------------+--------------------------+---------------------------|\n| 15.0M      | 15.0(1)M3                | 15.0(1)M3                 |\n|------------+--------------------------+---------------------------|\n|            | Cisco 7600 and 10000     | Cisco 7600 and 10000      |\n|            | Series routers: Not      | Series routers: 15.0(1)S1 |\n|            | Vulnerable               | (available early October  |\n|            |                          | 2010).                    |\n| 15.0S      | Cisco ASR 1000 Series    |                           |\n|            | routes: Please see Cisco | Cisco ASR 1000 Series     |\n|            | IOS-XE Software          | routes: Please see Cisco  |\n|            | Availability             | IOS-XE Software           |\n|            |                          | Availability              |\n|------------+--------------------------+---------------------------|\n| 15.0XA     | 15.0(1)XA4               | Vulnerable; first fixed   |\n|            |                          | in 15.1T                  |\n|------------+--------------------------+---------------------------|\n| 15.0XO     | Not Vulnerable           | Not Vulnerable            |\n|------------+--------------------------+---------------------------|\n|  Affected  |                          |  First Fixed Release for  |\n| 15.1-Based | First Fixed Release for  |   All Advisories in the   |\n|  Releases  |      This Advisory       |   September 2010 Bundle   |\n|            |                          |        Publication        |\n|------------+--------------------------+---------------------------|\n|            | 15.1(2)T0a               |                           |\n| 15.1T      |                          | 15.1(2)T1                 |\n|            | 15.1(1)T1                |                           |\n|------------+--------------------------+---------------------------|\n| 15.1XB     | 15.1(1)XB                | Vulnerable; first fixed   |\n|            |                          | in 15.1T                  |\n+-------------------------------------------------------------------+\n\nCisco IOS XE Software\n+--------------------\n\n+-------------------------------------------------------------------+\n| Cisco IOS |   First Fixed    |    First Fixed Release for All     |\n|    XE     | Release for This |  Advisories in the September 2010  |\n|  Release  |     Advisory     |         Bundle Publication         |\n|-----------+------------------+------------------------------------|\n| 2.1.x     | Not Vulnerable   | Not Vulnerable                     |\n|-----------+------------------+------------------------------------|\n| 2.2.x     | Not Vulnerable   | Not Vulnerable                     |\n|-----------+------------------+------------------------------------|\n| 2.3.x     | Not Vulnerable   | Not Vulnerable                     |\n|-----------+------------------+------------------------------------|\n| 2.4.x     | Not Vulnerable   | Not Vulnerable                     |\n|-----------+------------------+------------------------------------|\n|           | Vulnerable;      | Vulnerable; migrate to 2.6.2 or    |\n| 2.5.x     | migrate to 2.6.2 | later                              |\n|           | or later         |                                    |\n|-----------+------------------+------------------------------------|\n| 2.6.x     | 2.6.1            | 2.6.2                              |\n|-----------+------------------+------------------------------------|\n| 3.1.xS    | Not Vulnerable   | Not Vulnerable                     |\n+-------------------------------------------------------------------+\n\nFor mapping of Cisco IOS XE to Cisco IOS releases, please refer to\nthe Cisco IOS XE 2 and Cisco IOS XE 3S Release Notes. \n\nCisco IOS XR System Software\n+---------------------------\n\nCisco IOS XR Software is not affected by the vulnerabilities\ndisclosed in the September 22, 2010, Cisco IOS Software Security\nAdvisory 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 anti-spoofing measures 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 devices within\nthe network are available in the companion document \"Cisco Applied\nMitigation Bulletin:Identifying and Mitigating Exploitation of the\nMultiple Vulnerabilities in Cisco Voice Products\", which is available\nat the following location:\nhttp://www.cisco.com/warp/public/707/cisco-amb-20100922-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 Warning: When applying this workaround to devices that are\nprocessing Media Gateway Control Protocol (MGCP) or H.323 calls, the\ndevice will not stop SIP processing while active calls are being\nprocessed. Under these circumstances, this workaround should be\nimplemented during a maintenance window when active calls can be\nbriefly 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, the output from\nthe show ip sockets command may still show the SIP ports open, but\nsending traffic to them will cause the SIP process to emit the\nfollowing 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\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\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\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\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\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 easily spoof the IP address of the sender, which may defeat access\ncontrol lists that permit communication to these ports from trusted\nIP addresses. \n\nIn the above CoPP example, the access control entries (ACEs) that\nmatch the potential exploit packets with the \"permit\" action result\nin these packets being discarded by the policy-map \"drop\" function,\nwhile packets that match the \"deny\" action (not shown) are not\naffected by the policy-map drop function. Additional information on\nthe configuration and use of the CoPP feature can be found at \nhttp://www.cisco.com/web/about/security/intelligence/coppwp_gs.html\nand http://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 sets\nthey have purchased. By installing, downloading, accessing or\notherwise using such software upgrades, customers agree to be bound\nby 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 http://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 vulnerability 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-20100922-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 |                   | Initial  |\n| 1.0      | 2010-September-22 | public   |\n|          |                   | release. |\n+-----------------------------------------+\n\nCisco Security Procedures\n=========================\n\nComplete information on reporting security vulnerabilities in Cisco\nproducts, obtaining assistance with security incidents, and\nregistering to receive security information from Cisco, is available\non Cisco\u0027s worldwide website at \nhttp://www.cisco.com/en/US/products/products_security_vulnerability_policy.html\nThis includes instructions for press inquiries regarding Cisco \nsecurity notices. All Cisco security advisories are available at \nhttp://www.cisco.com/go/psirt\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.10 (Darwin)\n\niEYEARECAAYFAkyZ/SsACgkQ86n/Gc8U/uAExQCePGMUBQypd2bPNr1CbH19j1h3\n9WgAn0czHTv1JOH6pJl2Bz4MRrPzokRR\n=6+8R\n-----END PGP SIGNATURE-----\n\n_______________________________________________\nFull-Disclosure - We believe in it. \nCharter: http://lists.grok.org.uk/full-disclosure-charter.html\nHosted and sponsored by Secunia - http://secunia.com/\n. The Session Initiation\nProtocol (SIP) and Skinny Client Control Protocol (SCCP) services are\naffected by these vulnerabilities. \nThere are no workarounds for these vulnerabilities. \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. To mitigate against\nthis vulnerability, administrators are advised to restrict access to\nTCP and UDP port 5060 on vulnerable Cisco Unified Communications\nManager 4.x systems that are configured to use SIP trunks with\nscreening devices to valid SIP trunk end points. \n\nNetwork Connection Tracking Vulnerability\n+----------------------------------------\n\nCisco Unified Communications Manager contains a DoS vulnerability\nthat involves the tracking of network connections by the embedded\noperating system firewall. By establishing many TCP connections with\na vulnerable system, an attacker could overwhelm the operating system\ntable that is used to track network connections and prevent new\nconnections from being established to system services. Any service\nthat listens to a TCP port on a vulnerable system could be affected\nby this vulnerability, including SIP and SCCP. This action\ncould prevent new connections from being established to the SIP and\nSCCP services. \nAdministrators can mitigate the SCCP- and SIP-related vulnerabilities\nby implementing filtering on screening devices to permit access to\nTCP ports 2000 and 2443, and TCP and UDP ports 5060 and 5061 only\nfrom networks that need SCCP and SIP access to Cisco Unified\nCommunications Manager servers. ----------------------------------------------------------------------\n\n\nWindows Applications Insecure Library Loading\n\nThe Official, Verified Secunia List:\nhttp://secunia.com/advisories/windows_insecure_library_loading/\n\nThe list is continuously updated as we confirm the vulnerability reports so check back regularly too see if any of your apps are affected. \n\nSuccessful exploitation of the vulnerabilities requires that SIP\nvoice services are enabled. \n\nSOLUTION:\nApply updates (please see the vendor\u0027s advisory for details)",
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