Asterisk Remote Crash Vulnerability in voice mail application (AST-2012-011)

Low Nessus Network Monitor Plugin ID 6511


The remote VoIP server is vulnerable to a denial of service attack.


According 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.


Upgrade to Asterisk / 10.5.2

See Also

Plugin Details

Severity: Low

ID: 6511

Family: Generic

Published: 2011/07/09

Modified: 2017/01/31

Dependencies: 3768

Nessus ID: 60065

Risk Information

Risk Factor: Low


Base Score: 3.5

Temporal Score: 2.6

Vector: CVSS2#AV:N/AC:M/Au:S/C:N/I:N/A:P

Temporal Vector: CVSS2#E:U/RL:OF/RC:C


Base Score: 3

Temporal Score: 2.6


Temporal Vector: CVSS3#E:U/RL:O/RC:C

Vulnerability Information

Patch Publication Date: 2011/07/05

Vulnerability Publication Date: 2011/07/05

Reference Information

CVE: CVE-2012-3812

BID: 54317