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             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--------------------

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