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CVE-2022-41916

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Date: November 14, 2022

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.

Language: C

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2022-41916
https://security.netapp.com/advisory/ntap-20230216-0008/
https://security-tracker.debian.org/tracker/CVE-2022-41916
https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
https://security.gentoo.org/glsa/202310-06
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
https://www.debian.org/security/2022/dsa-5287
https://www.mend.io/vulnerability-database/CVE-2022-41916

Severity Score

Weakness Type (CWE)

Off-by-one Error

CWE-193

Top Fix

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Upgrade Version

Upgrade to version heimdal-7.7.1

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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