Memory leak on Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.0 before 7.0(8)6, 7.1 before 7.1(2)82, 7.2 before 7.2(4)30, 8.0 before 8.0(4)28, and 8.1 before 8.1(2)19 allows remote attackers to cause a denial of service (memory consumption or device reload) via a crafted TCP packet. Per vendor advisory: http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml
Crafted TCP Packet DoS Vulnerability
Cisco ASA and Cisco PIX security appliances may experience a memory leak that can be triggered by a series of crafted TCP packets. Cisco ASA and Cisco PIX security appliances running versions 7.0, 7.1, 7.2, 8.0, and 8.1 are affected when configured for any of the following features:
* SSL VPNs
* ASDM Administrative Access
* Telnet Access
* SSH Access
* Cisco Tunneling Control Protocol (cTCP) for Remote Access VPNs
* Virtual Telnet
* Virtual HTTP
* Transport Layer Security (TLS) Proxy for Encrypted Voice Inspection
* Cut-Through Proxy for Network Access
* TCP Intercept
Publication date: Thu, 09 Apr 2009 20:08:00 +0000