GLSA-201006-20 : Asterisk: Multiple vulnerabilities

This script is Copyright (C) 2010-2014 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-201006-20
(Asterisk: Multiple vulnerabilities)

Multiple vulnerabilities have been reported in Asterisk:
Nick Baggott reported that Asterisk does not properly process
overly long ASCII strings in various packets (CVE-2009-2726).
Noam Rathaus and Blake Cornell reported a flaw in the IAX2 protocol
implementation (CVE-2009-2346).
amorsen reported an input
processing error in the RTP protocol implementation
(CVE-2009-4055).
Patrik Karlsson reported an information
disclosure flaw related to the REGISTER message (CVE-2009-3727).
A vulnerability was found in the bundled Prototype JavaScript
library, related to AJAX calls (CVE-2008-7220).

Impact :

A remote attacker could exploit these vulnerabilities by sending a
specially crafted package, possibly causing a Denial of Service
condition, or resulting in information disclosure.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-201006-20.xml

Solution :

All Asterisk users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/asterisk-1.2.37'
NOTE: This is a legacy GLSA. Updates for all affected architectures are
available since January 5, 2010. It is likely that your system is
already no longer affected by this issue.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 46809 (gentoo_GLSA-201006-20.nasl)

Bugtraq ID:

CVE ID: CVE-2008-7220
CVE-2009-2346
CVE-2009-2726
CVE-2009-3727
CVE-2009-4055