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[asterisk-announce] AST-2008-008: Remote Crash Vulnerability

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Posted: Tue Jun 03, 2008 7:19 pm Post subject: [asterisk-announce] AST-2008-008: Remote Crash Vulnerability

Asterisk Project Security Advisory - AST-2008-008 +------------------------------------------------------------------------+ \| Product \| Asterisk \| \|--------------------+---------------------------------------------------\| \| Summary \| Remote Crash Vulnerability in SIP channel driver \| \| \| when run in pedantic mode \| \|--------------------+---------------------------------------------------\| \| Nature of Advisory \| Denial of Service \| \|--------------------+---------------------------------------------------\| \| Susceptibility \| Remote Unauthenticated Sessions \| \|--------------------+---------------------------------------------------\| \| Severity \| Critical \| \|--------------------+---------------------------------------------------\| \| Exploits Known \| No \| \|--------------------+---------------------------------------------------\| \| Reported On \| May 8, 2008 \| \|--------------------+---------------------------------------------------\| \| Reported By \| Hooi Ng (bugs.digium.com user hooi) \| \|--------------------+---------------------------------------------------\| \| Posted On \| May 8, 2008 \| \|--------------------+---------------------------------------------------\| \| Last Updated On \| June 3, 2008 \| \|--------------------+---------------------------------------------------\| \| Advisory Contact \| Joshua Colp <jcolp@digium.com> \| \|--------------------+---------------------------------------------------\| \| CVE Name \| CVE-2008-2119 \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Description \| During pedantic SIP processing the From header value is \| \| \| passed to the ast_uri_decode function to be decoded. In \| \| \| two instances it is possible for the code to cause a \| \| \| crash as the From header value is not checked to be \| \| \| non-NULL before being passed to the function. \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Resolution \| The From header value is now copied into a buffer before \| \| \| being passed to the ast_uri_decode function if pedantic \| \| \| is enabled and in another instance it is checked to be \| \| \| non-NULL before being passed. \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Affected Versions \| \|------------------------------------------------------------------------\| \| Product \| Release \| \| \| \| Series \| \| \|-------------------------------+------------+---------------------------\| \| Asterisk Open Source \| 1.0.x \| All versions \| \|-------------------------------+------------+---------------------------\| \| Asterisk Open Source \| 1.2.x \| All versions prior to \| \| \| \| 1.2.29 \| \|-------------------------------+------------+---------------------------\| \| Asterisk Open Source \| 1.4.x \| Not Affected \| \|-------------------------------+------------+---------------------------\| \| Asterisk Business Edition \| A.x.x \| All versions \| \|-------------------------------+------------+---------------------------\| \| Asterisk Business Edition \| B.x.x \| All versions prior to \| \| \| \| B.2.5.3 \| \|-------------------------------+------------+---------------------------\| \| Asterisk Business Edition \| C.x.x \| Not Affected \| \|-------------------------------+------------+---------------------------\| \| AsteriskNOW \| 1.0.x \| Not Affected \| \|-------------------------------+------------+---------------------------\| \| Asterisk Appliance Developer \| 0.x.x \| Not Affected \| \| Kit \| \| \| \|-------------------------------+------------+---------------------------\| \| s800i (Asterisk Appliance) \| 1.0.x \| Not Affected \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Corrected In \| \|------------------------------------------------------------------------\| \| Product \| Release \| \|---------------+--------------------------------------------------------\| \| Asterisk Open \| 1.2.29, available from \| \| Source \| http://downloads.digium.com/pub/telephony/asterisk \| \|---------------+--------------------------------------------------------\| \| Asterisk \| B.2.5.3 \| \| Business \| \| \| Edition \| \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Links \| http://bugs.digium.com/view.php?id=12607 \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| 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-2008-008.pdf and \| \| http://downloads.digium.com/pub/security/AST-2008-008.html \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Revision History \| \|------------------------------------------------------------------------\| \| Date \| Editor \| Revisions Made \| \|------------------+--------------------+--------------------------------\| \| 2008-06-03 \| Joshua Colp \| Initial Release \| +------------------------------------------------------------------------+ Asterisk Project Security Advisory - AST-2008-008 Copyright (c) 2008 Digium, Inc. All Rights Reserved. Permission is hereby granted to distribute and publish this advisory in its original, unaltered form. _______________________________________________ --Bandwidth and Colocation Provided by http://www.api-digital.com-- asterisk-announce mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-announce

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