Ubuntu 13.10 : libvirt vulnerabilities (USN-2209-1)

Ubuntu Security Notice (C) 2014-2016 Canonical, Inc. / NASL script (C) 2014-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that libvirt incorrectly handled symlinks when using
the LXC driver. An attacker could possibly use this issue to delete
host devices, create arbitrary nodes, and shutdown or power off the
host. (CVE-2013-6456)

Marian Krcmarik discovered that libvirt incorrectly handled seamless
SPICE migrations. An attacker could possibly use this issue to cause a
denial of service. (CVE-2013-7336).

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected libvirt-bin and / or libvirt0 packages.

Risk factor :

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

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 73940 ()

Bugtraq ID: 65743
66304

CVE ID: CVE-2013-6456
CVE-2013-7336