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Ubuntu 14.04 LTS : LXC vulnerability (USN-2753-1)

high Nessus Plugin ID 86208

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-2753-1 advisory.

 Roman Fiedler discovered a directory traversal flaw in lxc-start. A local attacker with access to an LXC container could exploit this flaw to run programs inside the container that are not confined by AppArmor or expose unintended files in the host to 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-2753-1

Plugin Details

Severity: High

ID: 86208

File Name: ubuntu_USN-2753-1.nasl

Version: 2.11

Type: local

Agent: unix

Published: 9/30/2015

Updated: 8/28/2024

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.3

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

CVSS Score Source: CVE-2015-1335

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/29/2015

Vulnerability Publication Date: 10/1/2015

Reference Information

CVE: CVE-2015-1335

USN: 2753-1