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Ubuntu 16.04 LTS / 18.04 LTS : Ghostscript vulnerabilities (USN-4111-1)

critical Nessus Plugin ID 128322

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Synopsis

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

Description

The remote Ubuntu 16.04 LTS / 18.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4111-1 advisory.

 Hiroki Matsukuma discovered that the PDF interpreter in Ghostscript did not properly restrict privileged calls when -dSAFER restrictions were in effect. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access arbitrary files. (CVE-2019-14811, CVE-2019-14812, CVE-2019-14813, CVE-2019-14817)

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-4111-1

Plugin Details

Severity: Critical

ID: 128322

File Name: ubuntu_USN-4111-1.nasl

Version: 1.15

Type: local

Agent: unix

Published: 8/29/2019

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: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

CVSS Score Source: CVE-2019-14813

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

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:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:ghostscript, p-cpe:/a:canonical:ubuntu_linux:libgs9-common, p-cpe:/a:canonical:ubuntu_linux:ghostscript-x, cpe:/o:canonical:ubuntu_linux:16.04:-:lts, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libgs9, p-cpe:/a:canonical:ubuntu_linux:libgs-dev

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: 8/29/2019

Vulnerability Publication Date: 9/3/2019

Reference Information

CVE: CVE-2019-14811, CVE-2019-14812, CVE-2019-14813, CVE-2019-14817

IAVB: 2019-B-0081-S

USN: 4111-1