SUSE update for crmsh

Published: 2021-03-12

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-35459 CVE-2021-3020
CWE-ID	CWE-269
Exploitation vector	Local
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise High Availability Operating systems & Components / Operating system crmsh-scripts Operating systems & Components / Operating system package or component crmsh Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Improper Privilege Management

EUVDB-ID: #VU51457

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2020-35459

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to improper privilege management. A local user can call "crm history" (when "crm" is run) and execute commands via shell code injection to the crm history commandline, potentially allowing escalation of privileges.

Mitigation

Update the affected package crmsh to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability: 12-SP3

crmsh-scripts: before 3.0.4+git.1614156978.4c1dc46d-13.62.1

crmsh: before 3.0.4+git.1614156978.4c1dc46d-13.62.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20210771-1/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper Privilege Management

EUVDB-ID: #VU51458