CVE-2014-3591

Published: 31 December 2014

Libgcrypt 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.

Priority

Low

CVSS 3 base score: 4.2

Status

Package Release Status
gnupg
Launchpad, Ubuntu, Debian
Upstream
Released (1.4.18-7)
Ubuntu 14.04 ESM (Trusty Tahr)
Released (1.4.16-1ubuntu2.3)
Patches:
Upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=ff53cf06e966dce0daba5f2c84e03ab9db2c3c8b
libgcrypt11
Launchpad, Ubuntu, Debian
Upstream Needed

Ubuntu 14.04 ESM (Trusty Tahr)
Released (1.5.3-2ubuntu4.2)
Patches:
Upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=35cd81f134c0da4e7e6fcfe40d270ee1251f52c2
libgcrypt20
Launchpad, Ubuntu, Debian
Upstream
Released (1.6.3-2)
Ubuntu 14.04 ESM (Trusty Tahr) Does not exist
(trusty was released [1.6.1-2ubuntu1.14.04.1])
Patches:
Upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=d482948ac41768c36c5352a513fca8c50d2da4db