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CVE-2020-35459

Date: January 12, 2021

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.

Language: Ruby

Severity Score

Related Resources (9)

https://nvd.nist.gov/vuln/detail/CVE-2020-35459
https://github.com/ClusterLabs/crmsh/blob/a403aa15f3ea575adfe5e43bf2a31c9f9094fcda/crmsh/history.py#L476
https://github.com/ClusterLabs/crmsh/releases
http://www.openwall.com/lists/oss-security/2021/01/12/3
https://lists.debian.org/debian-lts-announce/2021/01/msg00021.html
https://bugzilla.suse.com/show_bug.cgi?id=1179999
https://www.openwall.com/lists/oss-security/2021/01/12/3
https://github.com/ClusterLabs/crmsh
https://www.mend.io/vulnerability-database/CVE-2020-35459

Severity Score

Weakness Type (CWE)

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CWE-78

Improper Privilege Management

CWE-269

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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