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CVE-2022-41916

5.9 · MEDIUM

Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos.

Published Nov 15, 2022CWE-193EPSS 0.97%

Overview

CVE-2022-41916 is a medium-severity vulnerability. It was published on November 15, 2022 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Heimdal is an implementation of ASN.1/DER, PKIX, and Kerberos. Versions prior to 7.7.1 are vulnerable to a denial of service vulnerability in Heimdal's PKI certificate validation library, affecting the KDC (via PKINIT) and kinit (via PKINIT), as well as any third-party applications using Heimdal's libhx509. Users should upgrade to Heimdal 7.7.1 or 7.8. There are no known workarounds for this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cxReflists.debian.org/debian-lts-announce/2022/11/msg00034.htmlRefsecurity.gentoo.org/glsa/202310-06Refsecurity.netapp.com/advisory/ntap-20230216-0008/Refwww.debian.org/security/2022/dsa-5287GitHubgithub.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cxReflists.debian.org/debian-lts-announce/2022/11/msg00034.htmlRefsecurity.gentoo.org/glsa/202310-06Refsecurity.netapp.com/advisory/ntap-20230216-0008/Refwww.debian.org/security/2022/dsa-5287

How CyberStrike helps

Frequently asked questions

What is CVE-2022-41916?

CVE-2022-41916 is a medium-severity vulnerability. It was published on November 15, 2022 and has a CVSS 3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2022-41916?

This vulnerability has a CVSS 3.1 base score of 5.9, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2022-41916?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2022-41916?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2022-41916 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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