CVE-2022-39269

Media transport downgrade from the secure version (SRTP) to non-secure (RTP) in pjsip

Description

PJSIP is a free and open source multimedia communication library written in C. When processing certain packets, PJSIP may incorrectly switch from using SRTP media transport to using basic RTP upon SRTP restart, causing the media to be sent insecurely. The vulnerability impacts all PJSIP users that use SRTP. The patch is available as commit d2acb9a in the master branch of the project and will be included in version 2.13. Users are advised to manually patch or to upgrade. There are no known workarounds for this vulnerability.

Category

9.1
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.06%
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-wx5m-cj97-4wwg third party advisory
https://github.com/pjsip/pjproject/commit/d2acb9af4e27b5ba75d658690406cec9c274c5cc third party advisory patch
https://security.gentoo.org/glsa/202210-37 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html mailing list
https://www.debian.org/security/2023/dsa-5358 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2022-39269?
CVE-2022-39269 has been scored as a critical severity vulnerability.
How to fix CVE-2022-39269?
To fix CVE-2022-39269, 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-2022-39269 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-39269 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-2022-39269?
CVE-2022-39269 affects pjsip pjproject.
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