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Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS : libx11 vulnerabilities (USN-3758-1)

critical Nessus Plugin ID 112205

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Synopsis

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

Description

The remote Ubuntu 14.04 LTS / 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-3758-1 advisory.

 Tobias Stoeckmann discovered that libx11 incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information (CVE-2016-7942)

 Tobias Stoeckmann discovered that libx11 incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. (CVE-2016-7943)

 It was discovered that libx11 incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. (CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)

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 packages.

See Also

https://ubuntu.com/security/notices/USN-3758-1

Plugin Details

Severity: Critical

ID: 112205

File Name: ubuntu_USN-3758-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 8/31/2018

Updated: 8/27/2024

Supported Sensors: Agentless 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: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2018-14600

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:libx11-6-udeb, cpe:/o:canonical:ubuntu_linux:14.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libx11-data, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libx11-dev, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libx11-6, p-cpe:/a:canonical:ubuntu_linux:libx11-xcb-dev, p-cpe:/a:canonical:ubuntu_linux:libx11-xcb1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/30/2018

Vulnerability Publication Date: 12/13/2016

Reference Information

CVE: CVE-2016-7942, CVE-2016-7943, CVE-2018-14598, CVE-2018-14599, CVE-2018-14600

USN: 3758-1