CentOS 6 : qemu-kvm (CESA-2020:0775)

critical Nessus Plugin ID 134386
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 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) :

* QEMU: slirp: heap buffer overflow during packet reassembly (CVE-2019-14378)

* QEMU: slirp: OOB buffer access while emulating tcp protocols in tcp_emu() (CVE-2020-7039)

* QEMU: Slirp: use-after-free during packet reassembly (CVE-2019-15890)

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

Solution

Update the affected qemu-kvm packages.

See Also

http://www.nessus.org/u?ce9a7555

Plugin Details

Severity: Critical

ID: 134386

File Name: centos_RHSA-2020-0775.nasl

Version: 1.2

Type: local

Agent: unix

Published: 3/11/2020

Updated: 3/13/2020

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2020-7039

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Temporal Vector: E:POC/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

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

Temporal Vector: E:P/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: true

Exploit Ease: Exploits are available

Patch Publication Date: 3/10/2020

Vulnerability Publication Date: 7/29/2019

Reference Information

CVE: CVE-2019-14378, CVE-2019-15890, CVE-2020-7039

RHSA: 2020:0775