Privilege escalation in Checkmk



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-31258
CWE-ID CWE-61
Exploitation vector Local
Public exploit N/A
Vulnerable software
 Checkmk
Server applications / Other server solutions

Vendor tribe29 GmbH

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) UNIX symbolic link following

EUVDB-ID: #VU65569

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-31258

CWE-ID: CWE-61 - UNIX Symbolic Link (Symlink) Following

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a symlink following issue. A local user can create a specially crafted OMD hook symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Checkmk: 1.6.0 b1 - 2.1.0

CPE2.3 External links

http://checkmk.com/werk/13902
http://forum.checkmk.com/c/announcements/18


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.



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