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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2009.1449 Asterisk Project Security Advisory - AST-2009-007 27 October 2009 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Asterisk Publisher: Digium Operating System: UNIX variants (UNIX, Linux, OSX) Impact/Access: Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: Asterisk Original Bulletin: http://downloads.digium.com/pub/security/AST-2009-007.html - --------------------------BEGIN INCLUDED TEXT-------------------- Asterisk Project Security Advisory - AST-2009-007 +------------------------------------------------------------------------+ | Product | Asterisk | |--------------------+---------------------------------------------------| | Summary | ACL not respected on SIP INVITE | |--------------------+---------------------------------------------------| | Nature of Advisory | Unauthorized calls allowed on prohibited networks | |--------------------+---------------------------------------------------| | Susceptibility | Remote unauthorized session | |--------------------+---------------------------------------------------| | Severity | Critical | |--------------------+---------------------------------------------------| | Exploits Known | No | |--------------------+---------------------------------------------------| | Reported On | October 18, 2009 | |--------------------+---------------------------------------------------| | Reported By | Thomas Athineou <thom_winkler AT web DOT de> | |--------------------+---------------------------------------------------| | Posted On | October 26, 2009 | |--------------------+---------------------------------------------------| | Last Updated On | October 26, 2009 | |--------------------+---------------------------------------------------| | Advisory Contact | Jeff Peeler <jpeeler AT digium DOT com> | |--------------------+---------------------------------------------------| | CVE Name | | +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ | Description | A missing ACL check for handling SIP INVITEs allows a | | | device to make calls on networks intended to be | | | prohibited as defined by the "deny" and "permit" lines | | | in sip.conf. The ACL check for handling SIP | | | registrations was not affected. | +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ | Resolution | Users should upgrade to a version listed in the | | | "Corrected In" section below. | +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ | Affected Versions | |------------------------------------------------------------------------| | Product | Release Series | | |-------------------------------+----------------+-----------------------| | Asterisk Open Source | 1.2.x | Unaffected | |-------------------------------+----------------+-----------------------| | Asterisk Open Source | 1.4.x | Unaffected | |-------------------------------+----------------+-----------------------| | Asterisk Open Source | 1.6.x | All 1.6.1 versions | |-------------------------------+----------------+-----------------------| | Asterisk Addons | 1.2.x | Unaffected | |-------------------------------+----------------+-----------------------| | Asterisk Addons | 1.4.x | Unaffected | |-------------------------------+----------------+-----------------------| | Asterisk Addons | 1.6.x | Unaffected | |-------------------------------+----------------+-----------------------| | Asterisk Business Edition | A.x.x | Unaffected | |-------------------------------+----------------+-----------------------| | Asterisk Business Edition | B.x.x | Unaffected | |-------------------------------+----------------+-----------------------| | Asterisk Business Edition | C.x.x | Unaffected | |-------------------------------+----------------+-----------------------| | AsteriskNOW | 1.5 | Unaffected | |-------------------------------+----------------+-----------------------| | s800i (Asterisk Appliance) | 1.2.x | Unaffected | +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ | Corrected In | |------------------------------------------------------------------------| | Product | Release | |---------------------------------------------+--------------------------| | Open Source Asterisk 1.6.1 | 1.6.1.8 | +------------------------------------------------------------------------+ +----------------------------------------------------------------------------+ | Patches | |----------------------------------------------------------------------------| | SVN URL |Version| |--------------------------------------------------------------------+-------| |http://downloads.digium.com/pub/security/AST-2009-007-1.6.1.diff.txt| 1.6.1 | +----------------------------------------------------------------------------+ +------------------------------------------------------------------------+ | 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-2009-007.pdf and | | http://downloads.digium.com/pub/security/AST-2009-007.html | +------------------------------------------------------------------------+ +------------------------------------------------------------------------+ | Revision History | |------------------------------------------------------------------------| | Date | Editor | Revisions Made | |------------------------+------------------+----------------------------| | October 26, 2009 | Jeff Peeler | Initial release | +------------------------------------------------------------------------+ Asterisk Project Security Advisory - AST-2009-007 Copyright (c) 2009 Digium, Inc. All Rights Reserved. Permission is hereby granted to distribute and publish this advisory in its original, unaltered form. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. 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Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFK5kShNVH5XJJInbgRAhxpAJ4izc9x4k+mkgaBfz6kHMEufBqFcwCdFeWy 36/SLsPjXYi4UIipaTRSEx4= =HpAy -----END PGP SIGNATURE-----