Race condition in freeswitch - CVE-2023-51443

 

Race condition in freeswitch - CVE-2023-51443

Published: December 27, 2023


Vulnerability identifier: #VU84798
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2023-51443
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
freeswitch
Software vendor:
www.freeswitch.org

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a race condition when processing ClientHello DTLS messages with an invalid CipherSuite. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack by interrupting media sessions.


Remediation

Install updates from vendor's website.

External links