#VU70142 Improper locking in OpenSSL - CVE-2022-3996

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Main Vulnerability Database Vulnerabilities #VU70142

#VU70142 Improper locking in OpenSSL - CVE-2022-3996

Published: December 13, 2022 / Updated: February 7, 2023


Vulnerability identifier: #VU70142
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-3996
CWE-ID: CWE-667
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSL
Software vendor:
OpenSSL Software Foundation

Description

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

The vulnerability exists due to double-locking error if an X.509 certificate contains a malformed policy constraint and policy processing is enabled. A remote attacker can under certain circumstances perform a denial of service attack against the web server.

Successful exploitation of the vulnerability requires that policy processing being enabled on the server.


Remediation

Install update from vendor's website.

External links