CVE-2014-3591

EUVD-2014-3565
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.2 MEDIUM
PHYSICAL
HIGH
NONE
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 34%
Affected Products (NVD)
VendorProductVersion
gnupggnupg
𝑥
< 1.4.19
gnupglibgcrypt
𝑥
< 1.6.3
debiandebian_linux
7.0
debiandebian_linux
8.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
libgcrypt20
bookworm
1.10.1-3
fixed
bullseye
1.8.7-6
fixed
sid
1.11.0-6
fixed
trixie
1.11.0-6
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
gnupg
lucid
Fixed 1.4.10-2ubuntu1.8
released
precise
Fixed 1.4.11-3ubuntu2.9
released
trusty
Fixed 1.4.16-1ubuntu2.3
released
utopic
Fixed 1.4.16-1.2ubuntu1.2
released
libgcrypt11
lucid
Fixed 1.4.4-5ubuntu2.4
released
precise
Fixed 1.5.0-3ubuntu0.4
released
trusty
Fixed 1.5.3-2ubuntu4.2
released
utopic
Fixed 1.5.4-2ubuntu1.1
released
libgcrypt20
lucid
dne
precise
dne
trusty
Fixed 1.6.1-2ubuntu1.14.04.1
released
utopic
Fixed 1.6.1-2ubuntu1.14.10.1
released
Common Weakness Enumeration
References
http://www.cs.tau.ac.il/~tromer/radioexp/
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html
http://www.cs.tau.ac.il/~tromer/radioexp/
http://www.debian.org/security/2015/dsa-3184
http://www.debian.org/security/2015/dsa-3185
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000363.html
https://lists.gnupg.org/pipermail/gnupg-announce/2015q1/000364.html