Multiple Vulnerabilities in Cisco PIX and Cisco ASA

Multiple vulnerabilities exist in the Cisco ASA 5500 Series Adaptive Security Appliances and Cisco PIX Security Appliances. This security advisory outlines details of these vulnerabilities:

* Crafted TCP ACK Packet Vulnerability
* Crafted TLS Packet Vulnerability
* Instant Messenger Inspection Vulnerability
* Vulnerability Scan Denial of Service
* Control-plane Access Control List Vulnerability

The first four vulnerabilities may lead to a denial of service (DoS) condition and the fifth vulnerability may allow an attacker to bypass control-plane access control lists (ACL).