Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS : Ghostscript vulnerabilities (USN-5643-1)

high Nessus Plugin ID 165504

Synopsis

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

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5643-1 advisory.

It was discovered that GhostScript incorrectly handled certain PDF files. If a user or automated system were tricked into opening a specially crafted PDF file, a remote attacker could use this issue to cause GhostScript to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-27792)

It was discovered that GhostScript incorrectly handled certain PDF files. If a user or automated system were tricked into opening a specially crafted PDF file, a remote attacker could use this issue to cause GhostScript to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 22.04 LTS. (CVE-2022-2085)

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-5643-1

Plugin Details

Severity: High

ID: 165504

File Name: ubuntu_USN-5643-1.nasl

Version: 1.6

Type: local

Agent: unix

Published: 9/27/2022

Updated: 8/27/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.0

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2022-2085

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.4

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

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

CVSS Score Source: CVE-2020-27792

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ghostscript-x, cpe:/o:canonical:ubuntu_linux:18.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libgs9, p-cpe:/a:canonical:ubuntu_linux:libgs-dev, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:libgs9-common, p-cpe:/a:canonical:ubuntu_linux:ghostscript

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: 9/27/2022

Vulnerability Publication Date: 6/16/2022

Reference Information

CVE: CVE-2020-27792, CVE-2022-2085

IAVB: 2022-B-0034-S

USN: 5643-1