CentOS 6 : qemu-kvm (CESA-2017:0352)

High Nessus Plugin ID 97472

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VPR Score: 8.1

Synopsis

The remote CentOS host is missing one or more security updates.

Description

An update for qemu-kvm is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Kernel-based Virtual Machine (KVM) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm packages provide the user-space component for running virtual machines that use KVM.

Security Fix(es) :

* Quick emulator (QEMU) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process. (CVE-2017-2620)

Solution

Update the affected qemu-kvm packages.

See Also

http://www.nessus.org/u?9a43fed2

Plugin Details

Severity: High

ID: 97472

File Name: centos_RHSA-2017-0352.nasl

Version: 3.12

Type: local

Agent: unix

Published: 2017/03/02

Updated: 2021/01/04

Dependencies: 12634

Risk Information

Risk Factor: High

VPR Score: 8.1

CVSS Score Source: CVE-2017-2620

CVSS v2.0

Base Score: 9

Temporal Score: 6.7

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 9.9

Temporal Score: 8.6

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:centos:centos:qemu-guest-agent, p-cpe:/a:centos:centos:qemu-img, p-cpe:/a:centos:centos:qemu-kvm, p-cpe:/a:centos:centos:qemu-kvm-tools, cpe:/o:centos:centos:6

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

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2017/03/01

Vulnerability Publication Date: 2018/07/27

Reference Information

CVE: CVE-2017-2620

RHSA: 2017:0352

IAVB: 2017-B-0024