[SANOG] Cisco Security Advisory: Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerability

Cisco Systems Product Security Incident Response Team psirt at cisco.com
Wed Mar 26 16:07:45 UTC 2014


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

Cisco IOS Software Session Initiation Protocol Denial of Service Vulnerability

Advisory ID: cisco-sa-20140326-sip

Revision 1.0

For Public Release 2014 March 26 16:00  UTC (GMT)

Summary
=======

A vulnerability in the Session Initiation Protocol (SIP) implementation in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a reload of an affected device. To exploit this vulnerability, affected devices must be configured to process SIP messages. Limited Cisco IOS Software and Cisco IOS XE Software releases are affected.

Cisco has released free software updates that address this vulnerability. 

There are no workarounds for devices that must run SIP; however, mitigations are available to limit exposure to this vulnerability.

This advisory is available at the following link:
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20140326-sip

Note: The March 26, 2014, Cisco IOS Software Security Advisory bundled publication includes six Cisco Security Advisories. All advisories address vulnerabilities in Cisco IOS Software. Each Cisco IOS Software Security Advisory lists the Cisco IOS Software releases that correct the vulnerability or vulnerabilities detailed in the advisory as well as the Cisco IOS Software releases that correct all Cisco IOS Software vulnerabilities in the March 2014 bundled publication.

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

http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_mar14.html
-----BEGIN PGP SIGNATURE-----
Version: GnuPG/MacGPG2 v2.0.22 (Darwin)
Comment: GPGTools - http://gpgtools.org
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=e0Cj
-----END PGP SIGNATURE-----


More information about the sanog mailing list