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Debian DLA-1493-1 : xen security update

medium Nessus Plugin ID 117349

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Synopsis

The remote Debian host is missing a security update.

Description

Multiple vulnerabilities have been discovered in the Xen hypervisor, which could result in denial of service, informations leaks or privilege escalation.

For Debian 8 'Jessie', these problems have been fixed in version 4.4.4lts1-0+deb8u1.

We recommend that you upgrade your xen 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/2018/09/msg00006.html

https://packages.debian.org/source/jessie/xen

Plugin Details

Severity: Medium

ID: 117349

File Name: debian_DLA-1493.nasl

Version: 1.4

Type: local

Agent: unix

Published: 9/7/2018

Updated: 8/8/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.6

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

CVSS Score Source: CVE-2017-14431

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libxenstore3.0, p-cpe:/a:debian:debian_linux:xen-hypervisor-4.4-amd64, p-cpe:/a:debian:debian_linux:xen-hypervisor-4.4-arm64, p-cpe:/a:debian:debian_linux:libxen-4.4, p-cpe:/a:debian:debian_linux:xen-utils-common, p-cpe:/a:debian:debian_linux:xen-system-amd64, p-cpe:/a:debian:debian_linux:xenstore-utils, p-cpe:/a:debian:debian_linux:xen-system-arm64, p-cpe:/a:debian:debian_linux:xen-system-armhf, p-cpe:/a:debian:debian_linux:xen-hypervisor-4.4-armhf, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:libxen-dev, p-cpe:/a:debian:debian_linux:xen-utils-4.4

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/6/2018

Reference Information

CVE: CVE-2016-4963, CVE-2017-14431