GLSA 201203-21: Asterisk: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	high
Title:	Asterisk: Multiple vulnerabilities
Date:	03/28/2012
Bugs:	#408431
ID:	201203-21

Synopsis

Multiple vulnerabilities have been found in Asterisk, the worst of which may allow execution of arbitrary code.

Background

Asterisk is an open source telephony engine and toolkit.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
net-misc/asterisk	< 1.8.10.1	>= 1.8.10.1	All supported architectures

Description

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.

Resolution

All Asterisk users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/asterisk-1.8.10.1"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201203-21.xml

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.