Debian DSA-3357-1 : vzctl - security update

low Nessus Plugin ID 85913

Language:

Synopsis

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

Description

It was discovered that vzctl, a set of control tools for the OpenVZ server virtualisation solution, determined the storage layout of containers based on the presence of an XML file inside the container.
An attacker with local root privileges in a simfs-based container could gain control over ploop-based containers. Further information on the prerequisites of such an attack can be found at src.openvz.org.

The oldstable distribution (wheezy) is not affected.

Solution

Upgrade the vzctl packages.

For the stable distribution (jessie), this problem has been fixed in version 4.8-1+deb8u2. During the update existing configurations are automatically updated.

Plugin Details

Severity: Low

ID: 85913

File Name: debian_DSA-3357.nasl

Version: 2.7

Type: local

Agent: unix

Family: Debian Local Security Checks

Published: 9/14/2015

Updated: 1/11/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.8

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:vzctl, cpe:/o:debian:debian_linux:8.0

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/13/2015

Reference Information

CVE: CVE-2015-6927

DSA: 3357

Detections

Analytics