High severity · published Jan 12, 2021
CVE-2020-35459
An issue was discovered in ClusterLabs crmsh through 4.2.1
7.8
CVSS
0.7%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CR
Crmsh · Clusterlabs
through 4.2.1 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-35459
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-35459
Mailing List
http://www.openwall.com/lists/oss-security/2021/01/12/3
Issue Tracking
https://bugzilla.suse.com/show_bug.cgi?id=1179999
Patch
https://github.com/ClusterLabs/crmsh/blob/a403aa15f3ea575adfe5e43bf2a31c9f9094fcda/crmsh/history.py#L476
Release Notes
https://github.com/ClusterLabs/crmsh/releases
Mailing List
https://lists.debian.org/debian-lts-announce/2021/01/msg00021.html
Exploit
https://www.openwall.com/lists/oss-security/2021/01/12/3