CVE-2011-1175

Name of the Vulnerable Software and Affected Versions Asterisk Open Source versions 1.6.1.x through 1.6.1.22 Asterisk Open Source versions 1.6.2.x through 1.6.2.17 Asterisk Open Source versions 1.8.x through 1.8.2

Description The issue allows remote attackers to cause a denial of service by establishing many short TCP sessions to services that use a certain TLS API, resulting in a NULL pointer dereference and daemon crash.

Recommendations For Asterisk Open Source versions 1.6.1.x through 1.6.1.22, update to version 1.6.1.23 or later. For Asterisk Open Source versions 1.6.2.x through 1.6.2.17, update to version 1.6.2.17.1 or later. For Asterisk Open Source versions 1.8.x through 1.8.2, update to version 1.8.3.1 or later.