GLSA-201408-10 : Libgcrypt: Side-channel attack

Low Nessus Plugin ID 77454


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-201408-10 (Libgcrypt: Side-channel attack)

A vulnerability in the implementation of ElGamal decryption procedures of Libgcrypt leaks information to various side-channels.
Impact :

A physical side-channel attack allows a remote attacker to fully extract decryption keys during the decryption of a chosen ciphertext.
Workaround :

There is no known workaround at this time.


All Libgcrypt users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/libgcrypt-1.5.4'

See Also

Plugin Details

Severity: Low

ID: 77454

File Name: gentoo_GLSA-201408-10.nasl

Version: $Revision: 1.5 $

Type: local

Published: 2014/08/30

Modified: 2015/07/23

Dependencies: 12634

Risk Information

Risk Factor: Low


Base Score: 2.1

Temporal Score: 1.8

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libgcrypt, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2014/08/29

Reference Information

CVE: CVE-2014-5270

BID: 69164

OSVDB: 110053

GLSA: 201408-10