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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.

 It was discovered that Ghostscript incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-21710)

 It was discovered that Ghostscript incorrectly handled certain PDF files. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code. (CVE-2020-21890)

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-6364-1

Plugin Details

Severity: High

ID: 181362

File Name: ubuntu_USN-6364-1.nasl

Version: 1.3

Type: local

Agent: unix

Published: 9/13/2023

Updated: 8/28/2024

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

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: 9/13/2023

Vulnerability Publication Date: 8/22/2023

Reference Information

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

IAVB: 2023-B-0070-S

USN: 6364-1