FreeBSD : xen-tools -- Unsanitised driver domain input in libxl device handling (e589ae90-4212-11e6-942d-bc5ff45d0f28)

medium Nessus Plugin ID 91937

Synopsis

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

Description

The Xen Project reports :

libxl's device-handling code freely uses and trusts information from the backend directories in xenstore.

A malicious driver domain can deny service to management tools.

Solution

Update the affected package.

See Also

http://xenbits.xen.org/xsa/advisory-178.html

http://www.nessus.org/u?8016dd49

Plugin Details

Severity: Medium

ID: 91937

File Name: freebsd_pkg_e589ae90421211e6942dbc5ff45d0f28.nasl

Version: 2.4

Type: local

Published: 7/5/2016

Updated: 1/4/2021

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 1.9

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

CVSS v3

Risk Factor: Medium

Base Score: 4.7

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/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: 7/4/2016

Vulnerability Publication Date: 6/2/2016

Reference Information

CVE: CVE-2016-4963