Debian DSA-2282-1 : qemu-kvm - several vulnerabilities

high Nessus Plugin ID 55672

Synopsis

The remote Debian host is missing a security-related update.

Description

Two vulnerabilities have been discovered in KVM, a solution for full virtualization on x86 hardware :

- CVE-2011-2212 Nelson Elhage discovered a buffer overflow in the virtio subsystem, which could lead to denial of service or privilege escalation.

- CVE-2011-2527 Andrew Griffiths discovered that group privileges were insufficiently dropped when started with -runas option, resulting in privilege escalation.

Solution

Upgrade the qemu-kvm packages.

For the stable distribution (squeeze), this problem has been fixed in version 0.12.5+dfsg-5+squeeze6.

See Also

https://security-tracker.debian.org/tracker/CVE-2011-2212

https://security-tracker.debian.org/tracker/CVE-2011-2527

https://packages.debian.org/source/squeeze/qemu-kvm

https://www.debian.org/security/2011/dsa-2282

Plugin Details

Severity: High

ID: 55672

File Name: debian_DSA-2282.nasl

Version: 1.12

Type: local

Agent: unix

Published: 7/26/2011

Updated: 1/11/2021

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.4

Temporal Score: 6.4

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:qemu-kvm, cpe:/o:debian:debian_linux:6.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/25/2011

Reference Information

CVE: CVE-2011-2212, CVE-2011-2527

BID: 48574, 48659

DSA: 2282