Ubuntu 12.04 LTS / 12.10 / 13.10 : qemu, qemu-kvm vulnerabilities (USN-2092-1)

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 :

Asias He discovered that QEMU incorrectly handled SCSI controllers
with more than 256 attached devices. A local user could possibly use
this flaw to elevate privileges. (CVE-2013-4344)

It was discovered that QEMU incorrectly handled Xen disks. A local
guest could possibly use this flaw to consume resources, resulting in
a denial of service. This issue only affected Ubuntu 12.10 and Ubuntu
13.10. (CVE-2013-4375)

Sibiao Luo discovered that QEMU incorrectly handled device
hot-unplugging. A local user could possibly use this flaw to cause a
denial of service. This issue only affected Ubuntu 13.10.
(CVE-2013-4377).

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 packages.

Risk factor :

Medium / CVSS Base Score : 6.0
(CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C)
CVSS Temporal Score : 5.2
(CVSS2#E:ND/RL:OF/RC:ND)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 72231 ()

Bugtraq ID: 62682
62773
62934

CVE ID: CVE-2013-4344
CVE-2013-4375
CVE-2013-4377