GLSA-201203-21 : Asterisk: Multiple vulnerabilities

This script is Copyright (C) 2012-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-201203-21
(Asterisk: Multiple vulnerabilities)

Two vulnerabilities have been found in Asterisk:
The 'milliwatt_generate()' function in app_milliwatt.c is vulnerable
to a stack overrun (AST-2012-002).
The 'ast_parse_digest()' function in utils.c is vulnerable to a
stack-based buffer overflow (AST-2012-003).

Impact :

A remote unauthenticated attacker could execute arbitrary code or cause
a Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

http://downloads.asterisk.org/pub/security/AST-2012-002.txt
http://downloads.asterisk.org/pub/security/AST-2012-003.txt
http://www.gentoo.org/security/en/glsa/glsa-201203-21.xml

Solution :

All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/asterisk-1.8.10.1'

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.9
(CVSS2#E:POC/RL:OF/RC:C)
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 59613 ()

Bugtraq ID: 52523

CVE ID: CVE-2012-1183
CVE-2012-1184