CVE-2024-0567

NameCVE-2024-0567
DescriptionA vulnerability was found in GnuTLS, where a cockpit (which uses gnuTLS) rejects a certificate chain with distributed trust. This issue occurs when validating a certificate chain with cockpit-certificate-ensure. This flaw allows an unauthenticated, remote client or attacker to initiate a denial of service attack.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1061045

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnutls28 (PTS)buster3.6.7-4+deb10u8fixed
buster (security)3.6.7-4+deb10u12fixed
bullseye3.7.1-5+deb11u4vulnerable
bullseye (security)3.7.1-5+deb11u3vulnerable
bookworm3.7.9-2+deb12u2fixed
trixie3.8.3-1fixed
sid3.8.5-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnutls28sourcebuster(not affected)
gnutls28sourcebookworm3.7.9-2+deb12u2
gnutls28source(unstable)3.8.3-11061045

Notes

[bullseye] - gnutls28 <no-dsa> (Minor issue; will be fixed in point release)
[buster] - gnutls28 <not-affected> (Vulnerabity introduced in 3.7)
https://gitlab.com/gnutls/gnutls/-/issues/1521
https://gnutls.org/security-new.html#GNUTLS-SA-2024-01-09
https://lists.gnupg.org/pipermail/gnutls-help/2024-January/004841.html
https://gitlab.com/gnutls/gnutls/-/commit/9edbdaa84e38b1bfb53a7d72c1de44f8de373405 (3.8.3)

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