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[asterisk-announce] AST-2008-004: Format String Vulnerabilit

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security at asterisk.org
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Posted: Tue Mar 18, 2008 11:57 pm Post subject: [asterisk-announce] AST-2008-004: Format String Vulnerabilit

Asterisk Project Security Advisory - AST-2008-004 +------------------------------------------------------------------------+ \| Product \| Asterisk \| \|--------------------+---------------------------------------------------\| \| Summary \| Format String Vulnerability in Logger and Manager \| \|--------------------+---------------------------------------------------\| \| Nature of Advisory \| Denial of Service \| \|--------------------+---------------------------------------------------\| \| Susceptibility \| Remote Unauthenticated Sessions \| \|--------------------+---------------------------------------------------\| \| Severity \| Moderate \| \|--------------------+---------------------------------------------------\| \| Exploits Known \| No \| \|--------------------+---------------------------------------------------\| \| Reported On \| March 13, 2008 \| \|--------------------+---------------------------------------------------\| \| Reported By \| Steve Davies (bugs.digium.com user stevedavies) \| \| \| \| \| \| Brandon Kruse (bugs.digium.com user bkruse) \| \|--------------------+---------------------------------------------------\| \| Posted On \| March 18, 2008 \| \|--------------------+---------------------------------------------------\| \| Last Updated On \| March 18, 2008 \| \|--------------------+---------------------------------------------------\| \| Advisory Contact \| Joshua Colp <jcolp@digium.com> \| \|--------------------+---------------------------------------------------\| \| CVE Name \| CVE-2008-1333 \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Description \| Logging messages displayed using the ast_verbose logging \| \| \| API call are not displayed as a character string, they \| \| \| are displayed as a format string. \| \| \| \| \| \| Output as a result of the Manager command "command" is \| \| \| not appended to the resulting response message as a \| \| \| character string, it is appended as a format string. \| \| \| \| \| \| It is possible in both instances for an attacker to \| \| \| provide a formatted string as a value for input which \| \| \| can cause a crash. \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Resolution \| Input given to both the ast_verbose logging API call and \| \| \| astman_append function is now interpreted as a character \| \| \| string and not as a format string. \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Affected Versions \| \|------------------------------------------------------------------------\| \| Product \| Release \| \| \| \| Series \| \| \|----------------------------+---------+---------------------------------\| \| Asterisk Open Source \| 1.0.x \| Unaffected \| \|----------------------------+---------+---------------------------------\| \| Asterisk Open Source \| 1.2.x \| Unaffected \| \|----------------------------+---------+---------------------------------\| \| Asterisk Open Source \| 1.4.x \| Unaffected \| \|----------------------------+---------+---------------------------------\| \| Asterisk Open Source \| 1.6.x \| All versions prior to \| \| \| \| 1.6.0-beta6 \| \|----------------------------+---------+---------------------------------\| \| Asterisk Business Edition \| A.x.x \| Unaffected \| \|----------------------------+---------+---------------------------------\| \| Asterisk Business Edition \| B.x.x \| Unaffected \| \|----------------------------+---------+---------------------------------\| \| Asterisk Business Edition \| C.x.x \| Unaffected \| \|----------------------------+---------+---------------------------------\| \| AsteriskNOW \| 1.0.x \| Unaffected \| \|----------------------------+---------+---------------------------------\| \| Asterisk Appliance \| 0.x.x \| Unaffected \| \| Developer Kit \| \| \| \|----------------------------+---------+---------------------------------\| \| s800i (Asterisk Appliance) \| 1.0.x \| Unaffected \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Corrected In \| \|------------------------------------------------------------------------\| \| Product \| Release \| \|---------------+--------------------------------------------------------\| \| Asterisk Open \| 1.6.0-beta6, available from \| \| Source \| http://downloads.digium.com/pub/telephony/asterisk \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Links \| http://bugs.digium.com/view.php?id=12205 \| \| \| \| \| \| http://bugs.digium.com/view.php?id=12206 \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| 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-2008-004.pdf and \| \| http://downloads.digium.com/pub/security/AST-2008-004.html \| +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ \| Revision History \| \|------------------------------------------------------------------------\| \| Date \| Editor \| Revisions Made \| \|------------------+--------------------+--------------------------------\| \| 2008-03-18 \| Joshua Colp \| Initial Release \| +------------------------------------------------------------------------+ Asterisk Project Security Advisory - AST-2008-004 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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