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Amazon Linux AMI : qemu-kvm (ALAS-2017-934)

high Nessus Plugin ID 105419

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Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

Quick Emulator (QEMU), compiled with the PC System Emulator with multiboot feature support, is vulnerable to an OOB r/w memory access issue. The issue could occur due to an integer overflow while loading a kernel image during a guest boot. A user or process could use this flaw to potentially achieve arbitrary code execution on a host.
(CVE-2017-14167)

Quick emulator (QEMU), compiled with the Cirrus CLGD 54xx VGA Emulator support, is vulnerable to an OOB write access issue. The issue could occur while writing to VGA memory via mode4and5 write functions. A privileged user inside guest could use this flaw to crash the QEMU process resulting in Denial of Serivce (DoS). (CVE-2017-15289)

Solution

Run 'yum update qemu-kvm' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2017-934.html

Plugin Details

Severity: High

ID: 105419

File Name: ala_ALAS-2017-934.nasl

Version: 3.3

Type: local

Agent: unix

Published: 12/26/2017

Updated: 4/18/2018

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

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

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:qemu-kvm, p-cpe:/a:amazon:linux:qemu-img, p-cpe:/a:amazon:linux:qemu-kvm-common, p-cpe:/a:amazon:linux:qemu-kvm-debuginfo, cpe:/o:amazon:linux, p-cpe:/a:amazon:linux:qemu-kvm-tools

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

Patch Publication Date: 12/20/2017

Reference Information

CVE: CVE-2017-14167, CVE-2017-15289

ALAS: 2017-934