Bug 2150943 (CVE-2022-42705) - CVE-2022-42705 asterisk: Use after free in res_pjsip_pubsub.c
Summary: CVE-2022-42705 asterisk: Use after free in res_pjsip_pubsub.c
Alias: CVE-2022-42705
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
Depends On: 2150944 2150945
Blocks: 2150939
TreeView+ depends on / blocked
Reported: 2022-12-05 17:09 UTC by Zack Miele
Modified: 2022-12-09 16:14 UTC (History)
0 users

Fixed In Version: asterisk 16.29.1, asterisk 18.15.1, asterisk 19.7.1, asterisk 20.0.1
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Last Closed: 2022-12-09 16:14:38 UTC

Attachments (Terms of Use)

Description Zack Miele 2022-12-05 17:09:54 UTC
Use after free in res_pjsip_pubsub.c may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time Asterisk is also performing activty on that subscription.

Comment 1 Zack Miele 2022-12-05 17:10:19 UTC
Created asterisk tracking bugs for this issue:

Affects: epel-8 [bug 2150944]
Affects: fedora-all [bug 2150945]

Comment 2 Product Security DevOps Team 2022-12-09 16:14:36 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

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