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

medium Nessus Plugin ID 72231

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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.

See Also

https://usn.ubuntu.com/2092-1/

Plugin Details

Severity: Medium

ID: 72231

File Name: ubuntu_USN-2092-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 1/31/2014

Updated: 1/19/2021

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:qemu-system-x86, p-cpe:/a:canonical:ubuntu_linux:qemu-system-ppc, p-cpe:/a:canonical:ubuntu_linux:qemu-system-misc, p-cpe:/a:canonical:ubuntu_linux:qemu-kvm, p-cpe:/a:canonical:ubuntu_linux:qemu-system-arm, p-cpe:/a:canonical:ubuntu_linux:qemu-system, p-cpe:/a:canonical:ubuntu_linux:qemu-system-mips, cpe:/o:canonical:ubuntu_linux:12.10, cpe:/o:canonical:ubuntu_linux:13.10, cpe:/o:canonical:ubuntu_linux:12.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:qemu-system-sparc

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/30/2014

Vulnerability Publication Date: 10/4/2013

Reference Information

CVE: CVE-2013-4344, CVE-2013-4375, CVE-2013-4377

BID: 62682, 62773, 62934

USN: 2092-1