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Ubuntu 20.04 LTS : CRM shell vulnerability (USN-6711-1)

high Nessus Plugin ID 192534

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Synopsis

The remote Ubuntu host is missing a security update.

Description

The remote Ubuntu 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-6711-1 advisory.

 - An issue was discovered in ClusterLabs crmsh through 4.2.1. Local attackers able to call crm history (when crm is run) were able to execute commands via shell code injection to the crm history commandline, potentially allowing escalation of privileges. (CVE-2020-35459)

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 crmsh package.

See Also

https://ubuntu.com/security/notices/USN-6711-1

Plugin Details

Severity: High

ID: 192534

File Name: ubuntu_USN-6711-1.nasl

Version: 1.0

Type: local

Agent: unix

Published: 3/25/2024

Updated: 3/25/2024

Supported Sensors: Agentless 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-2020-35459

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/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:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:crmsh

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: 3/25/2024

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2020-35459

USN: 6711-1