9.1

CVE-2021-43845

Exploit

Prevent out-of-bounds read in PJSIP

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Teluu ≫ Pjsip Version <= 2.11.1
Debian ≫ Debian Linux Version9.0
Debian ≫ Debian Linux Version10.0
Debian ≫ Debian Linux Version11.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.72% 0.884
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.1 3.9 5.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
nvd@nist.gov 6.4 10 4.9
AV:N/AC:L/Au:N/C:P/I:N/A:P
security-advisories@github.com 8.2 3.9 4.2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

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
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html
Third Party Advisory
Mailing List
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
https://www.debian.org/security/2022/dsa-5285
Third Party Advisory
https://github.com/pjsip/pjproject/commit/f74c1fc22b760d2a24369aa72c74c4a9ab985859
Patch
Third Party Advisory
https://github.com/pjsip/pjproject/pull/2924
Patch
Third Party Advisory
Exploit
Issue Tracking
https://github.com/pjsip/pjproject/security/advisories/GHSA-r374-qrwv-86hh
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00030.html