CVE-2022-41916

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
GitHub_MCNA
5.9 MEDIUM
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVEADP
---
---
CISA-ADPADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
VendorProductVersion
heimdal_projectheimdal
𝑥
< 7.7.1
debiandebian_linux
10.0
debiandebian_linux
11.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
heimdal
bullseye (security)
7.7.0+dfsg-2+deb11u3
fixed
bullseye
7.7.0+dfsg-2+deb11u3
fixed
bookworm
7.8.git20221117.28daf24+dfsg-2
fixed
sid
7.8.git20221117.28daf24+dfsg-8
fixed
trixie
7.8.git20221117.28daf24+dfsg-8
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
heimdal
noble
needed
mantic
ignored
lunar
ignored
kinetic
ignored
jammy
needed
focal
Fixed 7.7.0+dfsg-1ubuntu1.2
released
bionic
Fixed 7.5.0+dfsg-1ubuntu0.2
released
xenial
Fixed 1.7~git20150920+dfsg-4ubuntu1.16.04.1+esm2
released
trusty
Fixed 1.6~git20131207+dfsg-1ubuntu1.2+esm2
released
Common Weakness Enumeration
References
https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
https://security.gentoo.org/glsa/202310-06
https://security.netapp.com/advisory/ntap-20230216-0008/
https://www.debian.org/security/2022/dsa-5287
https://github.com/heimdal/heimdal/security/advisories/GHSA-mgqr-gvh6-23cx
https://lists.debian.org/debian-lts-announce/2022/11/msg00034.html
https://security.gentoo.org/glsa/202310-06
https://security.netapp.com/advisory/ntap-20230216-0008/
https://www.debian.org/security/2022/dsa-5287