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Debian DLA-1577-1 : xen security update

high Nessus Plugin ID 118892

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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 4.4.4lts4-0+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/2018/11/msg00013.html

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

Plugin Details

Severity: High

ID: 118892

File Name: debian_DLA-1577.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/13/2018

Updated: 7/24/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.5

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

CVSS Score Source: CVE-2018-8897

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 8.4

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

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

CVSS Score Source: CVE-2018-7541

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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/12/2018

Exploitable With

Metasploit (Microsoft Windows POP/MOV SS Local Privilege Elevation Vulnerability)

Reference Information

CVE: CVE-2018-12891, CVE-2018-12893, CVE-2018-15469, CVE-2018-15470, CVE-2018-7540, CVE-2018-7541, CVE-2018-8897