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AUSCERT External Security Bulletin Redistribution
ESB-2012.0648
Asterisk Project Security Advisory - AST-2012-011
9 July 2012
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AusCERT Security Bulletin Summary
---------------------------------
Product: Asterisk
Publisher: Digium
Operating System: UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Denial of Service -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2012-3812
Original Bulletin:
http://downloads.asterisk.org/pub/security/AST-2012-011.txt
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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This document may be superseded by later versions; if so, the latest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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