Cisco ASA SIP and WebVPN Bugs Let Remote Users Deny Service
Version(s): ASA 5500 Series; 8.2 - 8.4
Two vulnerabilities were reported in Cisco ASA. A remote or remote authenticated user can cause denial of service conditions.
Two vulnerabilities were reported in Cisco ASA.
1. On systems with SIP inspection enabled, a remote user can send specially crafted SIP traffic to cause the target device to create many identical pre-allocated secondary pinholes and cause excessive CPU consumption [CVE-2012-2472]. Cisco has assigned Bug ID CSCtz63143 to this vulnerability.
2. A remote authenticated user can exploit a flaw in the clientless WebVPN feature to consume excessive memory on the target system [CVE-2012-2474]. Cisco has assigned Bug ID CSCth34278 to this vulnerability.
A remote user can cause excessive memory consumption on the target system.
A remote authenticated user can cause excessive CPU consumption on the target system.