CVE-2022-24786

Potential out-of-bound read/write in PJSIP

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

PJSIP is a free and open source multimedia communication library written in C. PJSIP versions 2.12 and prior do not parse incoming RTCP feedback RPSI (Reference Picture Selection Indication) packet, but any app that directly uses pjmedia_rtcp_fb_parse_rpsi() will be affected. A patch is available in the `master` branch of the `pjsip/pjproject` GitHub repository. There are currently no known workarounds.

PJSIP es una librería de comunicación multimedia gratuita y de código abierto escrita en C. PJSIP versiones 2.12 y anteriores, no analizan el paquete de retroalimentación RTCP RPSI (Reference Picture Selection Indication) entrante, pero cualquier aplicación que use directamente pjmedia_rtcp_fb_parse_rpsi() será afectada. Se presenta un parche disponible en la rama "master" del repositorio GitHub "pjsip/pjproject". Actualmente no se presentan medidas de mitigación conocidas

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-02-10 CVE Reserved
2022-04-06 CVE Published
2024-06-28 EPSS Updated
2024-08-03 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-125: Out-of-bounds Read
CWE-787: Out-of-bounds Write

CAPEC

References (5)

URL	Tag	Source
https://github.com/pjsip/pjproject/security/advisories/GHSA-vhxv-phmx-g52q	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00021.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/pjsip/pjproject/commit/11559e49e65bdf00922ad5ae28913ec6a198d508	2023-02-02

URL	Date	SRC
https://security.gentoo.org/glsa/202210-37	2023-02-02
https://www.debian.org/security/2022/dsa-5285	2023-02-02

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Pjsip Search vendor "Pjsip"		Pjsip Search vendor "Pjsip" for product "Pjsip"				<= 2.12 Search vendor "Pjsip" for product "Pjsip" and version " <= 2.12"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0"		-		Affected