Ubuntu 10.04 LTS / 12.04 LTS / 12.10 / 13.04 : gnupg, gnupg2 vulnerabilities (USN-1987-1)

Ubuntu Security Notice (C) 2013-2014 Canonical, Inc. / NASL script (C) 2013-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

Daniel Kahn Gillmor discovered that GnuPG treated keys with empty
usage flags as being valid for all usages. (CVE-2013-4351)

Taylor R Campbell discovered that GnuPG incorrectly handled certain
OpenPGP messages. If a user or automated system were tricked into
processing a specially crafted message, GnuPG could consume resources,
resulting in a denial of service. (CVE-2013-4402).

Solution :

Update the affected gnupg and / or gnupg2 packages.

Risk factor :

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

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 70366 ()

Bugtraq ID: 62857

CVE ID: CVE-2013-4351
CVE-2013-4402