CVE-2022-23537

PJSIP vulnerable to heap buffer overflow when decoding STUN message

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 language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. Buffer overread is possible when parsing a specially crafted STUN message with unknown attribute. The vulnerability affects applications that uses STUN including PJNATH and PJSUA-LIB. The patch is available as a commit in the master branch (2.13.1).

PJSIP es una librería de comunicación multimedia gratuita y de código abierto escrita en lenguaje C que implementa protocolos basados en estándares como SIP, SDP, RTP, STUN, TURN e ICE. La sobrelectura del búfer es posible al analizar un mensaje STUN especialmente manipulado con un atributo desconocido. La vulnerabilidad afecta a aplicaciones que utilizan STUN, incluidas PJNATH y PJSUA-LIB. El parche está disponible como commit en la rama master (2.13.1).

*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

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-01-19 CVE Reserved
2022-12-20 CVE Published
2024-08-03 CVE Updated
2024-08-10 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-122: Heap-based Buffer Overflow
CWE-125: Out-of-bounds Read

CAPEC

References (3)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2023/08/msg00038.html	Mailing List

URL	Date	SRC

URL	Date	SRC
https://github.com/pjsip/pjproject/commit/d8440f4d711a654b511f50f79c0445b26f9dd1e1	2024-01-25
https://github.com/pjsip/pjproject/security/advisories/GHSA-9pfh-r8x4-w26w	2024-01-25

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Teluu Search vendor "Teluu"		Pjsip Search vendor "Teluu" for product "Pjsip"				< 2.13.1 Search vendor "Teluu" for product "Pjsip" and version " < 2.13.1"		-		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