CVE-2021-43845

Description

PJSIP is a free and open source multimedia communication library. In version 2.11.1 and prior, if incoming RTCP XR message contain block, the data field is not checked against the received packet size, potentially resulting in an out-of-bound read access. This affects all users that use PJMEDIA and RTCP XR. A malicious actor can send a RTCP XR message with an invalid packet size.

References

https://github.com/pjsip/pjproject/commit/f74c1fc22b760d2a24369aa72c74c4a9ab985859

https://github.com/pjsip/pjproject/security/advisories/GHSA-r374-qrwv-86hh

https://github.com/pjsip/pjproject/pull/2924

https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html

https://security.gentoo.org/glsa/202210-37

https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html

https://www.debian.org/security/2022/dsa-5285

Details

Risk Information

CVSS v2

CVSS v3