FreeBSD : qemu -- denial of service vulnerability in VNC (67feba97-b1b5-11e5-9728-002590263bf5)

medium Nessus Plugin ID 87696

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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 VNC display driver support is vulnerable to an arithmetic exception flaw. It occurs on the VNC server side while processing the 'SetPixelFormat' messages from a client.

A privileged remote client could use this flaw to crash the guest resulting in DoS.

Solution

Update the affected packages.

Plugin Details

Severity: Medium

ID: 87696

File Name: freebsd_pkg_67feba97b1b511e59728002590263bf5.nasl

Version: 2.7

Type: local

Family: FreeBSD Local Security Checks

Published: 1/4/2016

Updated: 1/4/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.5

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/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: 12/8/2015

Reference Information

CVE: CVE-2015-8504

Detections

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