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Ubuntu 13.04 : lightdm vulnerability (USN-1950-1)

low Nessus Plugin ID 69862

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Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

It was discovered that Light Display Manager created .Xauthority files with incorrect permissions. A local attacker could use this flaw to bypass access restrictions.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected lightdm package.

See Also

https://usn.ubuntu.com/1950-1/

Plugin Details

Severity: Low

ID: 69862

File Name: ubuntu_USN-1950-1.nasl

Version: 1.8

Type: local

Agent: unix

Published: 9/13/2013

Updated: 9/19/2019

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: 2.7

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:lightdm, cpe:/o:canonical:ubuntu_linux:13.04

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/12/2013

Vulnerability Publication Date: 2/1/2014

Reference Information

CVE: CVE-2013-4331

BID: 62329

USN: 1950-1