Race condition in freeswitch - CVE-2023-51443
Published: December 27, 2023
Vulnerability identifier: #VU84798
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2023-51443
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
freeswitch
How to mitigate CVE-2023-51443
Install updates from vendor's website.
freeswitch - update to 1.10.11