GLSA-201402-24 : GnuPG, Libgcrypt: Multiple vulnerabilities

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


Synopsis :

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

Description :

The remote host is affected by the vulnerability described in GLSA-201402-24
(GnuPG, Libgcrypt: Multiple vulnerabilities)

Multiple vulnerabilities have been discovered in GnuPG and Libgcrypt.
Please review the CVE identifiers referenced below for details.

Impact :

An unauthenticated remote attacker may be able to execute arbitrary code
with the privileges of the user running GnuPG, cause a Denial of Service
condition, or bypass security restrictions. Additionally, a side-channel
attack may allow a local attacker to recover a private key, please review
&ldquo
Flush+Reload: a High Resolution, Low Noise, L3 Cache Side-Channel
Attack&rdquo
in the References section for further details.

Workaround :

There is no known workaround at this time.

See also :

http://eprint.iacr.org/2013/448
http://www.gentoo.org/security/en/glsa/glsa-201402-24.xml

Solution :

All GnuPG 2.0 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-crypt/gnupg-2.0.22'
All GnuPG 1.4 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-crypt/gnupg-1.4.16'
All Libgcrypt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-libs/libgcrypt-1.5.3'

Risk factor :

Medium / CVSS Base Score : 5.8
(CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:P)
CVSS Temporal Score : 5.0
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 72638 ()

Bugtraq ID: 57102
61464
62857
62921

CVE ID: CVE-2012-6085
CVE-2013-4242
CVE-2013-4351
CVE-2013-4402