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Debian DLA-540-1 : qemu security update

high Nessus Plugin ID 91920

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Synopsis

The remote Debian host is missing a security update.

Description

Several vulnerabilities were discovered in qemu, a fast processor emulator.

CVE-2016-3710

Wei Xiao and Qinghao Tang of 360.cn Inc discovered an out-of-bounds read and write flaw in the QEMU VGA module. A privileged guest user could use this flaw to execute arbitrary code on the host with the privileges of the hosting QEMU process.

CVE-2016-3712

Zuozhi Fzz of Alibaba Inc discovered potential integer overflow or out-of-bounds read access issues in the QEMU VGA module. A privileged guest user could use this flaw to mount a denial of service (QEMU process crash).

For Debian 7 'Wheezy', these problems have been fixed in version 1.1.2+dfsg-6+deb7u13.

We recommend that you upgrade your qemu packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2016/07/msg00002.html

https://packages.debian.org/source/wheezy/qemu

Plugin Details

Severity: High

ID: 91920

File Name: debian_DLA-540.nasl

Version: 2.8

Type: local

Agent: unix

Published: 7/5/2016

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:L/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:debian:debian_linux:qemu-utils, p-cpe:/a:debian:debian_linux:qemu-user, cpe:/o:debian:debian_linux:7.0, p-cpe:/a:debian:debian_linux:qemu-keymaps, p-cpe:/a:debian:debian_linux:qemu-user-static, p-cpe:/a:debian:debian_linux:qemu-system, p-cpe:/a:debian:debian_linux:qemu

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 7/1/2016

Reference Information

CVE: CVE-2016-3710, CVE-2016-3712