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Asterisk Project Security Advisory - AST-2011-012

Asterisk Project Security Advisory - AST-2011-012
Posted Oct 17, 2011
Authored by Terry Wilson | Site asterisk.org

Asterisk Project Security Advisory - The SIP channel driver allows a remote authenticated user that ability to cause a crash with a malformed request due to an uninitialized variable.

tags | advisory, remote
advisories | CVE-2011-4063
MD5 | e24833b31352bf6b884b1638041d30c1

Asterisk Project Security Advisory - AST-2011-012

Change Mirror Download
               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@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This document may be superseded by later versions; if so, the latest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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