SB2023122717 - Denial of service in FreeSWITCH
Published: December 27, 2023
Security Bulletin ID
SB2023122717
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2023-51443)
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 update from vendor's website.