SB2022121328 - Denial of service in OpenSSL
Published: December 13, 2022 Updated: February 7, 2023
Security Bulletin ID
SB2022121328
Severity
Low
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) Improper locking (CVE-ID: CVE-2022-3996)
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.