Detections
Analytics

Ubuntu 20.04 LTS : LTSP Display Manager vulnerabilities (USN-4533-1)

info Nessus Plugin ID 140755

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 20.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-4533-1 advisory.

 Veeti Vetelinen discovered that the LTSP Display Manager (ldm) incorrectly handled user logins from unsupported shells. A local attacker could possibly use this issue to gain root privileges.
 (CVE-2019-20373)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected ldm and / or ldm-server packages.

See Also

https://ubuntu.com/security/notices/USN-4533-1

Plugin Details

Severity: Info

ID: 140755

File Name: ubuntu_USN-4533-1.nasl

Version: 1.5

Type: local

Agent: unix

Published: 9/23/2020

Updated: 8/27/2024

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

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ldm, p-cpe:/a:canonical:ubuntu_linux:ldm-server

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/22/2020

Vulnerability Publication Date: 9/22/2020

Reference Information

USN: 4533-1