CVE-2013-4242

NameCVE-2013-4242
DescriptionGnuPG before 1.4.14, and Libgcrypt before 1.5.3 as used in GnuPG 2.0.x and possibly other products, allows local users to obtain private RSA keys via a cache side-channel attack involving the L3 cache, aka Flush+Reload.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-2730-1, DSA-2731-1
NVD severitylow (attack range: local)
Debian Bugs717880

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
gnupg (PTS)wheezy (security), wheezy1.4.12-7+deb7u7fixed
jessie1.4.18-7+deb8u1fixed
stretch, sid1.4.20-6fixed
libgcrypt11 (PTS)wheezy (security), wheezy1.5.0-5+deb7u4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnupgsource(unstable)1.4.14-1low717880
gnupgsourcesqueeze1.4.10-4+squeeze2lowDSA-2730-1
gnupgsourcewheezy1.4.12-7+deb7u1lowDSA-2730-1
libgcrypt11source(unstable)1.5.3-1low
libgcrypt11sourcesqueeze1.4.5-2+squeeze1lowDSA-2731-1
libgcrypt11sourcewheezy1.5.0-5+deb7u1lowDSA-2731-1

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