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Test ID:1.3.6.1.4.1.25623.1.0.703649
Category:Debian Local Security Checks
Title:Debian: Security Advisory (DSA-3649-1)
Summary:The remote host is missing an update for the Debian 'gnupg' package(s) announced via the DSA-3649-1 advisory.
Description:Summary:
The remote host is missing an update for the Debian 'gnupg' package(s) announced via the DSA-3649-1 advisory.

Vulnerability Insight:
Felix Doerre and Vladimir Klebanov from the Karlsruhe Institute of Technology discovered a flaw in the mixing functions of GnuPG's random number generator. An attacker who obtains 4640 bits from the RNG can trivially predict the next 160 bits of output.

A first analysis on the impact of this bug for GnuPG shows that existing RSA keys are not weakened. For DSA and Elgamal keys it is also unlikely that the private key can be predicted from other public information.

For the stable distribution (jessie), this problem has been fixed in version 1.4.18-7+deb8u2.

We recommend that you upgrade your gnupg packages.

Affected Software/OS:
'gnupg' package(s) on Debian 8.

Solution:
Please install the updated package(s).

CVSS Score:
5.0

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2016-6313
BugTraq ID: 92527
http://www.securityfocus.com/bid/92527
Debian Security Information: DSA-3649 (Google Search)
http://www.debian.org/security/2016/dsa-3649
Debian Security Information: DSA-3650 (Google Search)
http://www.debian.org/security/2016/dsa-3650
https://security.gentoo.org/glsa/201610-04
https://security.gentoo.org/glsa/201612-01
https://lists.gnupg.org/pipermail/gnupg-announce/2016q3/000395.html
RedHat Security Advisories: RHSA-2016:2674
http://rhn.redhat.com/errata/RHSA-2016-2674.html
http://www.securitytracker.com/id/1036635
http://www.ubuntu.com/usn/USN-3064-1
http://www.ubuntu.com/usn/USN-3065-1
CopyrightCopyright (C) 2016 Greenbone AG

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