Detections
Analytics

Ubuntu 14.04 LTS / 16.04 LTS : LXC vulnerability (USN-3136-1)

critical Nessus Plugin ID 95295

Language:

Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-3136-1 advisory.

 Roman Fiedler discovered a directory traversal flaw in lxc-attach. An attacker with access to an LXC container could exploit this flaw to access files outside of the container.

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-3136-1

Plugin Details

Severity: Critical

ID: 95295

File Name: ubuntu_USN-3136-1.nasl

Version: 1.11

Type: local

Agent: unix

Published: 11/23/2016

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

CVSS v2

Risk Factor: High

Base Score: 9

Temporal Score: 6.7

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

CVSS Score Source: CVE-2016-8649

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:python3-lxc, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:lxc-templates, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:lxc-tests, p-cpe:/a:canonical:ubuntu_linux:lxc1, p-cpe:/a:canonical:ubuntu_linux:lua-lxc, p-cpe:/a:canonical:ubuntu_linux:lxc-dev, p-cpe:/a:canonical:ubuntu_linux:lxc-common, p-cpe:/a:canonical:ubuntu_linux:lxc, p-cpe:/a:canonical:ubuntu_linux:liblxc1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 11/23/2016

Vulnerability Publication Date: 5/1/2017

Reference Information

CVE: CVE-2016-8649

USN: 3136-1