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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.

Risk Information

Base Score
9.1
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score
Exploitation Probability
0.285

Associated Vulnerability

VulnerabilityOS Platform
asterisk security update(DSA-5285-1) asterisk_16.28.0~dfsg-0+deb11u1_amd64.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) jami_20230206.0~ds1-5ubuntu0.1_amd64.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) jami_20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1_amd64.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) ring_20180228.1.503da2b~ds1-1build1_i386.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) ring_20180228.1.503da2b~ds1-1build1_amd64.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) ring_20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1_all.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) jami-daemon_20230206.0~ds1-5ubuntu0.1_amd64.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) jami-daemon_20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1_amd64.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) ring-daemon_20180228.1.503da2b~ds1-1build1_i386.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) ring-daemon_20180228.1.503da2b~ds1-1build1_amd64.debLinux
Secure and distributed voice, video, and chat platform (USN-6422-1) ring-daemon_20190215.1.f152c98~ds1-1+deb10u2build0.20.04.1_all.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234