Error Handling in OpenSSL - CVE-2021-4044
Published: December 14, 2021 / Updated: October 21, 2022
Vulnerability identifier: #VU58906
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-4044
CWE-ID: CWE-388
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to an error in X509_verify_cert() implementation. A remote attacker can perform a denial of service attack.
Affected software
OpenSSL
IBM Rational Team Concert
Engineering Workflow Management
IBM Rational Team Concert
Engineering Workflow Management
How to mitigate CVE-2021-4044
Install updates from vendor's website.
OpenSSL - update to 3.0.1
IBM Rational Team Concert - addressed in versions 6.0.6 iFix026, 6.0.6.1 iFix025
Engineering Workflow Management - addressed in versions 7.0 iFix015, 7.0.1 iFix017, 7.0.2 iFix013
IBM Rational Team Concert - addressed in versions 6.0.6 iFix026, 6.0.6.1 iFix025
Engineering Workflow Management - addressed in versions 7.0 iFix015, 7.0.1 iFix017, 7.0.2 iFix013