CVE-2009-5138

NameCVE-2009-5138
DescriptionGnuTLS before 2.7.6, when the GNUTLS_VERIFY_ALLOW_X509_V1_CA_CRT flag is not enabled, 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, a different vulnerability than CVE-2014-1959.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnutls28 (PTS)jessie, jessie (lts)3.3.30-0+deb8u2fixed
stretch (security)3.5.8-5+deb9u6fixed
stretch (lts), stretch3.5.8-5+deb9u7fixed
buster (security), buster, buster (lts)3.6.7-4+deb10u12fixed
bullseye3.7.1-5+deb11u5fixed
bullseye (security)3.7.1-5+deb11u6fixed
bookworm3.7.9-2+deb12u3fixed
sid, trixie3.8.8-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnutls26source(unstable)2.7.12-1
gnutls28source(unstable)(not affected)

Notes

- gnutls28 <not-affected> (Only affects versions before 2.7.6)
Only affects version prior of 2.7.6, fix: https://gitlab.com/gnutls/gnutls/commit/c8dcbedd1fdc312f5b1a70fcfbc1afe235d800cd
and the issue has different root than CVE-2014-1959
https://bugzilla.redhat.com/show_bug.cgi?id=1069301

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