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

This script is Copyright (C) 2014-2015 Tenable Network Security, Inc.

Synopsis :

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

Description :

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.

See also :

Solution :

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

Risk factor :

Low / CVSS Base Score : 2.1
CVSS Temporal Score : 1.8
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 77454 ()

Bugtraq ID: 69164

CVE ID: CVE-2014-5270

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