Asterisk Remote Crash Vulnerability in voice mail application (AST-2012-011)
Low Nessus Network Monitor Plugin ID 6511
SynopsisThe remote VoIP server is vulnerable to a denial of service attack.
DescriptionAccording to the version in its SIP banner, the version of Asterisk running on the remote host is potentially affected by a vulnerability that could allow a remote attacker to crash the server. If a single voicemail account is manipulated by two parties simultaneously, a condition can occur where memory is freed twice causing a crash.
SolutionUpgrade to Asterisk 184.108.40.206 / 10.5.2