RHEL 6 : qemu-kvm (RHSA-2011:0345)

medium Nessus Plugin ID 63974

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated qemu-kvm packages that fix one security issue are now available for Red Hat Enterprise Linux 6.

The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on AMD64 and Intel 64 systems. qemu-kvm is the user-space component for running virtual machines using KVM. Virtual Network Computing (VNC) is a remote display system.

A flaw was found in the way the VNC 'password' option was handled.
Clearing a password disabled VNC authentication, allowing a remote user able to connect to the virtual machines' VNC ports to open a VNC session without authentication. (CVE-2011-0011)

All users of qemu-kvm should upgrade to these updated packages, which contain a backported patch to resolve this issue. After installing this update, shut down all running virtual machines. Once all virtual machines have shut down, start them again for this update to take effect.

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/cve-2011-0011

https://access.redhat.com/errata/RHSA-2011:0345

Plugin Details

Severity: Medium

ID: 63974

File Name: redhat-RHSA-2011-0345.nasl

Version: 1.15

Type: local

Agent: unix

Published: 1/24/2013

Updated: 1/14/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.8

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:A/AC:H/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:qemu-img, p-cpe:/a:redhat:enterprise_linux:qemu-kvm, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-debuginfo, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:6.0

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 3/10/2011

Vulnerability Publication Date: 6/21/2012

Reference Information

CVE: CVE-2011-0011

BID: 45743

RHSA: 2011:0345