Bug 2050382 (CVE-2022-21722)

Summary:	CVE-2022-21722 pjsip: possible out-of-bound read access
Product:	[Other] Security Response	Reporter:	Anten Skrabec <askrabec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	jsmith.fedora
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	In version 2.11.1 and prior, there are various cases where it is possible that certain incoming RTP/RTCP packets can potentially cause out-of-bound read access. This issue affects all users that use PJMEDIA and accept incoming RTP/RTCP.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-02-03 21:13:14 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:	2050383, 2050384
Bug Blocks:	2050379

Description Anten Skrabec 2022-02-03 20:27:27 UTC

PJSIP is a free and open source multimedia communication library written in C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In version 2.11.1 and prior, there are various cases where it is possible that certain incoming RTP/RTCP packets can potentially cause out-of-bound read access. This issue affects all users that use PJMEDIA and accept incoming RTP/RTCP. A patch is available as a commit in the `master` branch. There are no known workarounds.

https://github.com/pjsip/pjproject/security/advisories/GHSA-m66q-q64c-hv36
https://github.com/pjsip/pjproject/commit/22af44e68a0c7d190ac1e25075e1382f77e9397a

Comment 1 Anten Skrabec 2022-02-03 20:27:45 UTC

Created pjproject tracking bugs for this issue:

Affects: epel-all [bug 2050383]
Affects: fedora-all [bug 2050384]

Comment 2 Product Security DevOps Team 2022-02-03 21:13:12 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.