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Ubuntu 14.04 LTS : libXfont vulnerabilities (USN-2536-1)

critical Nessus Plugin ID 81951

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 14.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-2536-1 advisory.

 Ilja van Sprundel, Alan Coopersmith, and William Robinet discovered that libXfont incorrectly handled malformed bdf fonts. A local attacker could use this issue to cause libXfont to crash, or possibly execute arbitrary code in order to gain privileges.

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

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

Solution

Update the affected libxfont-dev, libxfont1 and / or libxfont1-udeb packages.

See Also

https://ubuntu.com/security/notices/USN-2536-1

Plugin Details

Severity: Critical

ID: 81951

File Name: ubuntu_USN-2536-1.nasl

Version: 1.15

Type: local

Agent: unix

Published: 3/19/2015

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: 5.9

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

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

CVSS Score Source: CVE-2015-1804

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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:libxfont1-udeb, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libxfont-dev, p-cpe:/a:canonical:ubuntu_linux:libxfont1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/18/2015

Vulnerability Publication Date: 3/20/2015

Reference Information

CVE: CVE-2015-1802, CVE-2015-1803, CVE-2015-1804

BID: 73277

USN: 2536-1