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Cisco IOS Software Intrusion Prevention System Denial of Service Vulnerability

Advisory ID: cisco-sa-20120926-ios-ips

Revision 1.0

For Public Release 2012 September 26 16:00 UTC (GMT) +---------------------------------------------------------------------

Summary =======

Cisco IOS Software contains a vulnerability in the Intrusion Prevention System (IPS) feature that could allow an unauthenticated, remote attacker to cause a reload of an affected device if specific Cisco IOS IPS configurations exist.

Cisco has released free software updates that address this vulnerability.

Workarounds that mitigate this vulnerability are available.

This advisory is available at the following link:

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-s...

Note: The September 26, 2012, Cisco IOS Software Security Advisory bundled publication includes 9 Cisco Security Advisories. Eight of the advisories address vulnerabilities in Cisco IOS Software, and one advisory addresses a vulnerability in Cisco Unified Communications Manager. 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 September 2012 bundled publication.

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

http://www.cisco.com/web/about/security/intelligence/Cisco_ERP_sep12.html