Resource exhaustion in OpenVPN for Windows - CVE-2024-5594
Published: June 20, 2024
Vulnerability identifier: #VU92937
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2024-5594
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: OpenVPN
Affected software:
OpenVPN for Windows
OpenVPN for Windows
Detailed vulnerability description
The vulnerability allows a remote peer to perform a denial of service (DoS) attack.
The vulnerability exists due to application accepts control channel messages with nonprintable characters. A remote peer can send garbage to openvpn log, or cause high CPU load.
How to mitigate CVE-2024-5594
Install updates from vendor's website.