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Ubuntu 16.04 LTS : Gnuplot vulnerabilities (USN-4541-1)

high Nessus Plugin ID 140801

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Synopsis

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

Description

The remote Ubuntu 16.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4541-1 advisory.

 Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars

 discovered that Gnuplot did not properly validate string sizes in the df_generate_ascii_array_entry function. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in a denial of

 service attack or arbitrary code execution. (CVE-2018-19490)

 Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars

 discovered that Gnuplot did not properly validate string sizes in the

 PS_options function when the Gnuplot postscript terminal is used as a

 backend. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service attack or arbitrary code

 execution. (CVE-2018-19491)

 Tim Blazytko, Cornelius Aschermann, Sergej Schumilo and Nils Bars

 discovered that Gnuplot did not properly validate string sizes in the

 cairotrm_options function when the Gnuplot postscript terminal is used as a backend. An attacker could possibly use this issue to cause a buffer overflow, resulting in a denial of service attack or arbitrary code

 execution. (CVE-2018-19492)

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-4541-1

Plugin Details

Severity: High

ID: 140801

File Name: ubuntu_USN-4541-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 9/26/2020

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: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2018-19492

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

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

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:gnuplot-qt, p-cpe:/a:canonical:ubuntu_linux:gnuplot, p-cpe:/a:canonical:ubuntu_linux:gnuplot-tex, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:gnuplot-x11, p-cpe:/a:canonical:ubuntu_linux:gnuplot-data, p-cpe:/a:canonical:ubuntu_linux:gnuplot-nox

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/25/2020

Vulnerability Publication Date: 11/23/2018

Reference Information

CVE: CVE-2018-19490, CVE-2018-19491, CVE-2018-19492

USN: 4541-1