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CVE-2021-43845 Detail

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.


Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/pjsip/pjproject/commit/f74c1fc22b760d2a24369aa72c74c4a9ab985859 Patch  Third Party Advisory 
https://github.com/pjsip/pjproject/pull/2924 Exploit  Issue Tracking  Patch  Third Party Advisory 
https://github.com/pjsip/pjproject/security/advisories/GHSA-r374-qrwv-86hh Patch  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2022/03/msg00035.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html Mailing List  Third Party Advisory 
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html
https://security.gentoo.org/glsa/202210-37 Third Party Advisory 
https://www.debian.org/security/2022/dsa-5285 Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-125 Out-of-bounds Read cwe source acceptance level NIST   GitHub, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

10 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2021-43845
NVD Published Date:
12/27/2021
NVD Last Modified:
08/29/2023
Source:
GitHub, Inc.