Asterisk Project Security Advisory - AST-2011-012
Product Asterisk
Summary Remote crash vulnerability in SIP channel driver
Nature of Advisory Remote crash
Susceptibility Remote authenticated sessions
Severity Critical
Exploits Known No
Reported On October 4, 2011
Reported By Ehsan Foroughi
Posted On October 17, 2011
Last Updated On October 17, 2011
Advisory Contact Terry Wilson <twilson at digium.com>
CVE Name CVE-2011-4063
Description A remote authenticated user can cause a crash with a
malformed request due to an unitialized variable.
Resolution Ensure variables are initialized in all cases when parsing
the request.
Affected Versions
Product Release Series
Asterisk Open Source 1.8.x All versions
Asterisk Open Source 10.x All versions (currently in beta)
Corrected In
Product Release
Asterisk Open Source 1.8.7.1, 10.0.0-rc1
Patches
Download URL Revision
http://downloads.asterisk.org/pub/security/AST-2011-012-1.8.diff 1.8
http://downloads.asterisk.org/pub/security/AST-2011-012-10.diff 10
Links
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This document may be superseded by later versions; if so, the latest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-2011-012.pdf and
http://downloads.digium.com/pub/security/AST-2011-012.html
Revision History
Date Editor Revisions Made
Asterisk Project Security Advisory - AST-2011-012
Copyright (c) 2011 Digium, Inc. All Rights Reserved.
Permission is hereby granted to distribute and publish this advisory in its
original, unaltered form.
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