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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
lucid
Released (1.4.10-2ubuntu1.8)
precise
Released (1.4.11-3ubuntu2.9)
trusty
Released (1.4.16-1ubuntu2.3)
upstream
Released (1.4.18-7)
utopic
Released (1.4.16-1.2ubuntu1.2)
Patches:
upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=gnupg.git;a=commit;h=ff53cf06e966dce0daba5f2c84e03ab9db2c3c8b


libgcrypt11
Launchpad, Ubuntu, Debian
lucid
Released (1.4.4-5ubuntu2.4)
precise
Released (1.5.0-3ubuntu0.4)
trusty
Released (1.5.3-2ubuntu4.2)
upstream Needed

utopic
Released (1.5.4-2ubuntu1.1)
Patches:

upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=35cd81f134c0da4e7e6fcfe40d270ee1251f52c2

libgcrypt20
Launchpad, Ubuntu, Debian
lucid Does not exist

precise Does not exist

trusty Does not exist
(trusty was released [1.6.1-2ubuntu1.14.04.1])
upstream
Released (1.6.3-2)
utopic
Released (1.6.1-2ubuntu1.14.10.1)
Patches:


upstream: http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=d482948ac41768c36c5352a513fca8c50d2da4db