Cisco IOS Software Resource Reservation Protocol Denial of Service Vulnerability

The Resource Reservation Protocol (RSVP) feature in Cisco IOS Software and Cisco IOS XE Software contains a vulnerability when used on a device that has Multiprotocol Label Switching with Traffic Engineering (MPLS-TE) enabled. Successful exploitation of the vulnerability could allow an unauthenticated, remote attacker to cause a reload of the affected device. Repeated exploitation could result in a sustained denial of service (DoS) condition.

Cisco has released software updates that address this vulnerability. There are no workarounds available to mitigate this vulnerability. This advisory is available at the following link:

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-rsvp[“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-rsvp”]

Note: The March 27, 2013, Cisco IOS Software Security Advisory bundled publication includes seven 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 2013 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_mar13.html[“http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_mar13.html”]