What is the CVSS score of CVE-2022-24764?

CVE-2022-24764 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 2.3%.

Is there a patch available for CVE-2022-24764?

Yes, a patch is available for CVE-2022-24764. Update the affected software to the latest version immediately.

Pjsip CVE-2022-24764

HIGH

Classic Buffer Overflow (CWE-120)

2022-03-22 security-advisories@github.com

Buffer Overflow Pjsip Debian Linux

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Mar 22, 2022 - 17:15 nvd

HIGH 7.5

DescriptionNVD

PJSIP is a free and open source multimedia communication library written in C. Versions 2.12 and prior contain a stack buffer overflow vulnerability that affects PJSUA2 users or users that call the API pjmedia_sdp_print(), pjmedia_sdp_media_print(). Applications that do not use PJSUA2 and do not directly call pjmedia_sdp_print() or pjmedia_sdp_media_print() should not be affected. A patch is available on the master branch of the pjsip/pjproject GitHub repository. There are currently no known workarounds.

AnalysisAI

PJSIP is a free and open source multimedia communication library written in C. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Buffer Copy without Size Check vulnerability could allow attackers to overflow a buffer to corrupt adjacent memory.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. PJSIP is a free and open source multimedia communication library written in C. Versions 2.12 and prior contain a stack buffer overflow vulnerability that affects PJSUA2 users or users that call the API pjmedia_sdp_print(), pjmedia_sdp_media_print(). Applications that do not use PJSUA2 and do not directly call pjmedia_sdp_print() or pjmedia_sdp_media_print() should not be affected. A patch is available on the master branch of the pjsip/pjproject GitHub repository. There are currently no known workarounds. Affected products include: Teluu Pjsip, Debian Debian Linux.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.