CVE-2014-1959

NameCVE-2014-1959
Descriptionlib/x509/verify.c in GnuTLS before 3.1.21 and 3.2.x before 3.2.11 treats version 1 X.509 certificates as intermediate CAs, which allows remote attackers to bypass intended restrictions by leveraging a X.509 V1 certificate from a trusted CA to issue new certificates.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-2866-1

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+deb11u4fixed
bullseye (security)3.7.1-5+deb11u3fixed
bookworm3.7.9-2+deb12u2fixed
trixie3.8.3-1fixed
sid3.8.3-1.1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnutls26sourcesqueeze(not affected)
gnutls26sourcewheezy2.12.20-8DSA-2866-1
gnutls26source(unstable)2.12.23-12
gnutls28source(unstable)3.2.11-1

Notes

[squeeze] - gnutls26 <not-affected> (does not allow X.509 v1 certificates by default)
https://gitlab.com/gnutls/gnutls/commit/b1abfe3d18
introduced by https://gitlab.com/gnutls/gnutls/commit/60ee8a0eb9975d123002b1cffbefd60a8cd5fae6

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