CVE-2014-3591

NameCVE-2014-3591
DescriptionLibgcrypt before 1.6.3 and GnuPG before 1.4.19 does not implement ciphertext blinding for Elgamal decryption, which allows physically proximate attackers to obtain the server's private key by determining factors using crafted ciphertext and the fluctuations in the electromagnetic field during multiplication.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-175-1, DLA-190-1, DSA-3184-1, DSA-3185-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libgcrypt20 (PTS)bullseye1.8.7-6fixed
bookworm1.10.1-3fixed
sid, trixie1.11.0-6fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
gnupgsourcesqueeze1.4.10-4+squeeze7DLA-175-1
gnupgsourcewheezy1.4.12-7+deb7u7DSA-3184-1
gnupgsource(unstable)1.4.18-7
libgcrypt11sourcesqueeze1.4.5-2+squeeze3DLA-190-1
libgcrypt11sourcewheezy1.5.0-5+deb7u3DSA-3185-1
libgcrypt11source(unstable)(unfixed)
libgcrypt20source(unstable)1.6.3-2

Notes

http://www.cs.tau.ac.il/~tromer/radioexp/
http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=ff53cf06e966dce0daba5f2c84e03ab9db2c3c8b

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