#VU70432 Heap-based buffer overflow in pjsip - CVE-2022-23537
Published: December 20, 2022 / Updated: July 15, 2023
Vulnerability identifier: #VU70432
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-23537
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
pjsip
pjsip
Software vendor:
pjsip
pjsip
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when decoding STUN messages. A remote attacker can pass a specially crafted STUN message to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.