CentOS 7 : qemu-kvm (CESA-2018:0816)

high Nessus Plugin ID 109372
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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 7.

Red Hat Product Security has rated this update as having a security impact of Low. 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) :

* Qemu: vga: OOB read access during display update (CVE-2017-13672)

* Qemu: Slirp: use-after-free when sending response (CVE-2017-13711)

* Qemu: memory exhaustion through framebuffer update request message in VNC server (CVE-2017-15124)

* Qemu: I/O: potential memory exhaustion via websock connection to VNC (CVE-2017-15268)

* Qemu: Out-of-bounds read in vga_draw_text routine (CVE-2018-5683)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

Red Hat would like to thank David Buchanan for reporting CVE-2017-13672; Wjjzhang (Tencent.com) for reporting CVE-2017-13711;
and Jiang Xin and Lin ZheCheng for reporting CVE-2018-5683. The CVE-2017-15124 issue was discovered by Daniel Berrange (Red Hat).

Additional Changes :

For detailed information on changes in this release, see the Red Hat Enterprise Linux 7.5 Release Notes linked from the References section.

Solution

Update the affected qemu-kvm packages.

See Also

http://www.nessus.org/u?0caf9de9

Plugin Details

Severity: High

ID: 109372

File Name: centos_RHSA-2018-0816.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/27/2018

Updated: 12/31/2019

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2017-15124

VPR

Risk Factor: Medium

Score: 5.2

CVSS v2

Risk Factor: High

Base Score: 7.8

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: cpe:2.3:o:centos:centos:7:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:qemu-img:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:qemu-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:qemu-kvm-tools:*:*:*:*:*:*:*, p-cpe:2.3:a:centos:centos:qemu-kvm-common:*:*:*:*:*:*:*

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

Patch Publication Date: 4/26/2018

Vulnerability Publication Date: 9/1/2017

Reference Information

CVE: CVE-2018-5683, CVE-2017-15124, CVE-2017-13672, CVE-2017-15268, CVE-2017-13711

RHSA: 2018:0816