Out-of-bounds Read Affecting pjproject package, versions <2.12-r0


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.34% (72nd percentile)

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  • Snyk IDSNYK-ALPINE316-PJPROJECT-2844259
  • published24 May 2022
  • disclosed27 Dec 2021

Introduced: 27 Dec 2021

CVE-2021-43845  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Alpine:3.16 pjproject to version 2.12-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pjproject package and not the pjproject package as distributed by Alpine. See How to fix? for Alpine:3.16 relevant fixed versions and status.

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.

CVSS Scores

version 3.1