Cisco Unified Communications Manager (aka CUCM, formerly CallManager) 5.x before 5.1(3g), 6.x before 6.1(4), 7.0.x before 7.0(2a)su1, and 7.1.x before 7.1(2) allows remote attackers to cause a denial of service (service restart) via malformed SIP messages, aka Bug ID CSCsz95423. An unauthenticated, remote attacker could exploit this vulnerability to cause the affected application to fail, resulting in a DoS condition.
Publication date: Tue, 29 Sep 2009 00:30:00 +0000