CVE-2022-21722

Potential out-of-bound read during RTP/RTCP parsing in PJSIP

Description

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.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Vendor Advisory gentoo.org Vendor Advisory debian.org
Affected: pjsip pjproject
Published at:
Updated at:

References

Link Tags
https://github.com/pjsip/pjproject/security/advisories/GHSA-m66q-q64c-hv36 third party advisory patch
https://github.com/pjsip/pjproject/commit/22af44e68a0c7d190ac1e25075e1382f77e9397a third party advisory patch
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html third party advisory mailing list
https://security.gentoo.org/glsa/202210-37 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html third party advisory mailing list
https://www.debian.org/security/2022/dsa-5285 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html mailing list

Frequently Asked Questions

What is the severity of CVE-2022-21722?
CVE-2022-21722 has been scored as a critical severity vulnerability.
How to fix CVE-2022-21722?
To fix CVE-2022-21722, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-21722 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-21722 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-21722?
CVE-2022-21722 affects pjsip pjproject.
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