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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.6287 Asterisk Project Security Advisory - AST-2022-007 2 December 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Asterisk Open Source Certified Asterisk Publisher: Asterisk Operating System: UNIX variants (UNIX, Linux, OSX) Resolution: Patch/Upgrade CVE Names: CVE-2022-37325 Original Bulletin: http://downloads.asterisk.org/pub/security/AST-2022-007.html Comment: CVSS (Max): None available when published - --------------------------BEGIN INCLUDED TEXT-------------------- Product Asterisk Summary Remote Crash Vulnerability in H323 channel add on Nature of Advisory Exploitable Stack Buffer Underflow Susceptibility Remote Unauthenticated Sessions Severity Moderate Exploits Known Yes Reported On Reported By Posted On Last Updated On November 30, 2022 Advisory Contact m bradeen AT sangoma DOT com CVE Name CVE-2022-37325 Description A zero length Called or Calling Party Number can cause a buffer under-run and Asterisk crash. Modules ooh323 Affected If currently not loading the ooh323 module, no action is required. Resolution For others, please make sure that the h323 listen port is not publicly open and apply the patch when possible. Affected Versions Product Release Series Asterisk Open Source 1 6 .x All Versions Asterisk Open Source 1 8 .x All Versions Asterisk Open Source 19 .x All Versions Asterisk Open Source 20 .x All Versions Certified Asterisk 1 8.9 . x All Versions Corrected In Product Release Asterisk Open Source 16.29.1, 18.15.1, 19.7.1, 20.0.1 Certified Asterisk Certified-18.9-cert3 Patches Patch URL Revision http s ://downloads.digium.com/pub/security/ AST-2022-007 Asterisk 16 - -16-16.diff http s ://downloads.digium.com/pub/security/ AST-2022-007 Asterisk 18 - -16-18.diff http s ://downloads.digium.com/pub/security/ AST-2022-007 Asterisk 19 - -16 - 17.diff http s ://downloads.digium.com/pub/security/ AST-2022-007 Asterisk 20 - -16 - 18.diff http s ://downloads.digium.com/pub/security/ AST-2022-007 Certified Asterisk - -16-1 8 . 9 .diff 18.9 https://issues.asterisk.org/jira/browse/ ASTERISK-30103 Links https://downloads.asterisk.org/pub/security/ AST-2022-007 .html 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 s ://downloads.digium.com/pub/security/ AST-2022-007 .pdf and http s ://downloads.digium.com/pub/security/ AST-2022-007 .html Revision History Date Editor Revisions Made - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== 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: https://auscert.org.au/gpg-key/ iQIVAwUBY4l9eMkNZI30y1K9AQheOg/9E65VsZOr2ZX4gwR9d40IKp8rBcFhjgxL oCIevJfx6GxIyLteJfYehdZGsT+DOKlQuQUuv2PW/rtawophfXUSX6XHCSDdxMCP pZjiBU2StowQpiZbhO4YGMonrPu0VsIiJU8DkFXbTd86Bq/VBnOyH09c56zvKT/Z mgpAmccVaHkz8grn/HLNtnG/ESP+x5ZNaCPLx9NSXg/AXCWEZPmrUoCeX3OmJAiK BTSblbAJ0PLzkxewu18ewfzbRMWh0hrUmwCJQA2Dgr/fgrGCav4ByFpKmsXJlsbz Wr+yby1E/kI7gmW0bXd0Ikk90hnSCY22q7VZAu3pl+lSqzeyWb+7HJ5oAnu8rbjm g19WWa7KiGEmQTUh/UukeuMb9BFtHuLvc//HmeU4PGiAUKglZeE32o5ml0v3COTK jhYzx6knkBFTfKe4wb98FC2NgjkSWLmuOmfsS8mFrx14jlO4BhTbeJRsClkOrVI+ hxs7haBK98L4cpJEbQ4tnTHuS2pG5+NJLoUifeNl+G9QtX6iLOVjYLh+4Cun1fGf VLt7Yo4Zs4sOXEu5qPioVp9haMfqbI6uHsN4JlJNSrbgmaKSaQCf/6uxsb8k+F+C Gka6UW2YHlYrgk/1ztIiFRIcpRAS0p2F0cOwMLd+VpzaFY1oZAnVSl4Er8Xce/rJ uKaN4INMXwQ= =O36z -----END PGP SIGNATURE-----