CVE-2013-4351

NameCVE-2013-4351
DescriptionGnuPG 1.4.x, 2.0.x, and 2.1.x treats a key flags subpacket with all bits cleared (no usage permitted) as if it has all bits set (all usage permitted), which might allow remote attackers to bypass intended cryptographic protection mechanisms by leveraging the subkey.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2773-1, DSA-2774-1
NVD severitymedium (attack range: remote)
Debian Bugs722722, 722724
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnupg (PTS)squeeze (security), squeeze1.4.10-4+squeeze4fixed
squeeze (lts)1.4.10-4+squeeze6fixed
wheezy, wheezy (security)1.4.12-7+deb7u6fixed
jessie, sid1.4.18-6fixed
gnupg2 (PTS)squeeze (security), squeeze2.0.14-2+squeeze2fixed
squeeze (lts)2.0.14-2+squeeze3fixed
wheezy, wheezy (security)2.0.19-2+deb7u2fixed
jessie, sid2.0.26-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnupgsource(unstable)1.4.15-1low722722
gnupgsourcesqueeze1.4.10-4+squeeze3mediumDSA-2773-1
gnupgsourcewheezy1.4.12-7+deb7u2mediumDSA-2773-1
gnupg2source(unstable)2.0.22-1low722724
gnupg2sourcesqueeze2.0.14-2+squeeze2mediumDSA-2774-1
gnupg2sourcewheezy2.0.19-2+deb7u1mediumDSA-2774-1

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