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FreeBSD : xen-tools -- Cirrus VGA Heap overflow via display refresh (af19ecd0-0f6a-11e7-970f-002590263bf5)

critical Nessus Plugin ID 97904

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The Xen Project reports :

A privileged user within the guest VM can cause a heap overflow in the device model process, potentially escalating their privileges to that of the device model process.

Solution

Update the affected package.

See Also

http://xenbits.xen.org/xsa/advisory-211.html

http://www.nessus.org/u?c9cbf301

Plugin Details

Severity: Critical

ID: 97904

File Name: freebsd_pkg_af19ecd00f6a11e7970f002590263bf5.nasl

Version: 3.9

Type: local

Published: 3/23/2017

Updated: 6/3/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 9

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

CVSS v3

Risk Factor: Critical

Base Score: 9.9

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:xen-tools, cpe:/o:freebsd:freebsd

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

Patch Publication Date: 3/23/2017

Vulnerability Publication Date: 3/14/2017

Reference Information

CVE: CVE-2016-9603

IAVB: 2017-B-0035-S