Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options. This vulnerability is addressed in the following product updates:
Cisco, Unified CallManager, 5.0(4)
Cisco, Unified CallManager, 5.0(4a) with CSA COP upgrade
Cisco, Unified Presence Server, 1.0(2) with CSA COP upgrade
Cisco, Security Agent, 5.0.193
Cisco, Security Agent, 4.5.1.657
Cisco, Security Agent, 5.1
Publication date: Thu, 26 Oct 2006 22:07:00 +0000