FreeBSD : qemu -- denial of service vulnerability in Q35 chipset emulation (152acff3-b1bd-11e5-9728-002590263bf5)

high Nessus Plugin ID 87687

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Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

Prasad J Pandit, Red Hat Product Security Team, reports :

Qemu emulator built with the Q35 chipset based pc system emulator is vulnerable to a heap based buffer overflow. It occurs during VM guest migration, as more(16 bytes) data is moved into allocated (8 bytes) memory area.

A privileged guest user could use this issue to corrupt the VM guest image, potentially leading to a DoS. This issue affects q35 machine types.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 87687

File Name: freebsd_pkg_152acff3b1bd11e59728002590263bf5.nasl

Version: 2.8

Type: local

Family: FreeBSD Local Security Checks

Published: 1/4/2016

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

CVSS v2

Risk Factor: Low

Base Score: 3.3

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

CVSS v3

Risk Factor: High

Base Score: 7.9

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:qemu, p-cpe:/a:freebsd:freebsd:qemu-devel, p-cpe:/a:freebsd:freebsd:qemu-sbruno, p-cpe:/a:freebsd:freebsd:qemu-user-static, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 1/3/2016

Vulnerability Publication Date: 11/19/2015

Reference Information

CVE: CVE-2015-8666

Detections

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