Bug 2150943 (CVE-2022-42705)

Summary:	CVE-2022-42705 asterisk: Use after free in res_pjsip_pubsub.c
Product:	[Other] Security Response	Reporter:	Zack Miele <zmiele>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
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:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-12-09 16:14:38 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2150944, 2150945
Bug Blocks:	2150939

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.