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Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS : Ghostscript vulnerabilities (USN-6364-1)

high Nessus Plugin ID 181362

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Synopsis

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

Description

The remote Ubuntu 16.04 ESM / 18.04 ESM / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6364-1 advisory.

 - A divide by zero issue discovered in eps_print_page in gdevepsn.c in Artifex Software GhostScript 9.50 allows remote attackers to cause a denial of service via opening of crafted PDF file. (CVE-2020-21710)

 - Buffer Overflow vulnerability in clj_media_size function in devices/gdevclj.c in Artifex Ghostscript 9.50 allows remote attackers to cause a denial of service or other unspecified impact(s) via opening of crafted PDF document. (CVE-2020-21890)

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-6364-1

Plugin Details

Severity: High

ID: 181362

File Name: ubuntu_USN-6364-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 9/13/2023

Updated: 12/15/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-21890

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: cpe:/o:canonical:ubuntu_linux:16.04:-:esm, cpe:/o:canonical:ubuntu_linux:18.04:-:esm, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ghostscript, p-cpe:/a:canonical:ubuntu_linux:ghostscript-x, p-cpe:/a:canonical:ubuntu_linux:libgs-dev, p-cpe:/a:canonical:ubuntu_linux:libgs9, p-cpe:/a:canonical:ubuntu_linux:libgs9-common

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/13/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

CVE: CVE-2020-21710, CVE-2020-21890

IAVB: 2023-B-0070-S

USN: 6364-1