Asterisk milliwatt_generate Function Internal Data Sample Packet Parsing Remote DoS (AST-2012-002)

This script is Copyright (C) 2012-2016 Tenable Network Security, Inc.

Synopsis :

A telephony application running on the remote host is affected by a
denial of service vulnerability.

Description :

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. The
vulnerability can be triggered by sending large audio packets (if the
internal_timing option is off), or by negotiating a media format with
a sampling rate greater than 32 kHz. Both attacks require that the
dialplan use the Milliwatt application with the 'o' option.

See also :

Solution :

Upgrade to Asterisk 1.4.44 / / / 10.2.1 or apply
the patches listed in the Asterisk advisory.

Risk factor :

Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.2
Public Exploit Available : false

Family: Misc.

Nessus Plugin ID: 58432 ()

Bugtraq ID: 52523

CVE ID: CVE-2012-1183

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