Asterisk Project Security Advisory - AST-2022-005
Product Asterisk
Summary pjproject: undefined behavior after freeing a dialog
set
Nature of Advisory Denial of service
Susceptibility Remote unauthenticated sessions
Severity Major
Exploits Known Yes
Reported On March 3, 2022
Reported By Sauw Ming
Posted On March 4, 2022
Last Updated On March 3, 2022
Advisory Contact kharwell AT sangoma DOT com
CVE Name CVE-2022-23608
Description When acting as a UAC, and when placing an outgoing
call to a target that then forks Asterisk may
experience undefined behavior (crashes, hangs, etcâ?¦)
after a dialog set is prematurely freed.
Modules Affected bundled pjproject
Resolution If you use â??with-pjproject-bundledâ?? then upgrade to, or
install one of, the versions of Asterisk listed below.
Otherwise install the appropriate version of pjproject that
contains the patch.
Affected Versions
Product Release Series
Asterisk Open Source 16.x All versions
Asterisk Open Source 18.x All versions
Asterisk Open Source 19.x All versions
Certified Asterisk 16.x All versions
Corrected In
Product Release
Asterisk Open Source 16.24.1,18.10.1,19.2.1
Certified Asterisk 16.8-cert13
Patches
Patch URL Revision
https://downloads.digium.com/pub/security/AST-2022-005-16.diff Asterisk
16
https://downloads.digium.com/pub/security/AST-2022-005-18.diff Asterisk
18
https://downloads.digium.com/pub/security/AST-2022-005-19.diff Asterisk
19
https://downloads.digium.com/pub/security/AST-2022-005-16.8.diff Certified
Asterisk
16.8
Links https://issues.asterisk.org/jira/browse/ASTERISK-29945
https://downloads.asterisk.org/pub/security/AST-2022-005.html
https://github.com/pjsip/pjproject/security/advisories/GHSA-ffff-m5fm-qm62
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This document may be superseded by later versions; if so, the latest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
https://downloads.digium.com/pub/security/AST-2022-005.pdf and
https://downloads.digium.com/pub/security/AST-2022-005.html
Revision History
Date Editor Revisions Made
March 3, 2022 Kevin Harwell Initial revision
Asterisk Project Security Advisory - AST-2022-005
Copyright © 2022 Digium, Inc. All Rights Reserved.
Permission is hereby granted to distribute and publish this advisory in its
original, unaltered form.
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