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Werk #17090: Fix Various CSRF Issues

Component Setup
Title Fix Various CSRF Issues
Date Jun 21, 2024
Level Trivial Change
Class Security Fix
Compatibility Compatible - no manual interaction needed
Checkmk versions & editions
2.4.0b1
Not yet released 		Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0p8 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0p29 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p45 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

This Werk adds priviously missing CSRF-Token validation to various endpoints in WATO. The lack of CSRF-Token validation could allow an attacker to perform actions on behalf of a user without their consent, by tricking the user into visiting clicking on a malicious link.

This vulnerability was identified during a commissioned penetration test conducted by PS Positive Security GmbH.

Affected Versions:

  • 2.3.0
  • 2.2.0
  • 2.1.0
  • 2.0.0 (EOL)

Vulnerability Management:

We have rated the issue with a CVSS Score of 8.8 High (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) and assigned CVE-2024-28828.

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