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Asterisk Project Security Advisory - AST-2012-011

Asterisk Project Security Advisory - AST-2012-011
Posted Jul 6, 2012
Authored by Nicolas Bouliane, Kinsey Moore | Site asterisk.org

Asterisk Project Security Advisory - If a single voicemail account is manipulated by two parties simultaneously, a condition can occur where memory is freed twice causing a crash.

tags | advisory
advisories | CVE-2012-3812
MD5 | 77428c3c2deacae36ccac65a178ebd16

Asterisk Project Security Advisory - AST-2012-011

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               Asterisk Project Security Advisory - AST-2012-011

Product Asterisk
Summary Remote crash vulnerability in voice mail application
Nature of Advisory Denial of Service
Susceptibility Remote authenticated sessions
Severity Moderate
Exploits Known No
Reported On June 13, 2012
Reported By Nicolas Bouliane - Avencall Security Labs
Posted On June 27, 2012
Last Updated On July 5, 2012
Advisory Contact Kinsey Moore <kmoore@digium.com>
CVE Name CVE-2012-3812

Description If a single voicemail account is manipulated by two parties
simultaneously, a condition can occur where memory is freed
twice causing a crash.

Resolution Management of the memory in question has been reworked so
that double frees and out of bounds array access do not
occur. Upgrade to the latest release.

Affected Versions
Product Release Series
Asterisk Open Source 1.8.x 1.8.11 and newer
Asterisk Open Source 10.x 10.3 and newer
Certified Asterisk 1.8.11-certx All versions
Asterisk Digiumphones 10.x.x-digiumphones All versions

Corrected In
Product Release
Asterisk Open Source 1.8.13.1, 10.5.2
Certified Asterisk 1.8.11-cert4
Asterisk Digiumphones 10.5.2-digiumphones

Patches
URL Revision
http://downloads.asterisk.org/pub/security/AST-2012-011-1.8.diff Asterisk
1.8,
Certified
Asterisk
http://downloads.asterisk.org/pub/security/AST-2012-011-10.diff Asterisk 10,
Asterisk
Digiumphones

Links https://issues.asterisk.org/jira/browse/ASTERISK-20052

Asterisk Project Security Advisories are posted at
http://www.asterisk.org/security

This document may be superseded by later versions; if so, the latest
version will be posted at
http://downloads.digium.com/pub/security/AST-2012-011.pdf and
http://downloads.digium.com/pub/security/AST-2012-011.html

Revision History
Date Editor Revisions Made
06/27/2012 Kinsey Moore Initial Release

Asterisk Project Security Advisory - AST-2012-011
Copyright (c) 2012 Digium, Inc. All Rights Reserved.
Permission is hereby granted to distribute and publish this advisory in its
original, unaltered form.


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