CVE-2009-2051 Information

Description

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.

Reference

http://osvdb.org/57453 http://secunia.com/advisories/36498 http://secunia.com/advisories/36499 http://www.cisco.com/en/US/products/products_security_advisory09186a0080af2d11.shtml http://www.cisco.com/en/US/products/products_security_advisory09186a0080b4a30f.shtml http://www.securityfocus.com/bid/36152 http://www.securitytracker.com/id?1022775