Werk #17024: Fix XSS in Crash Report Page

Component

Setup

Title

Fix XSS in Crash Report Page

Date

Jun 6, 2024

Level

Trivial Change

Class

Security Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.4.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0p7	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0p28	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p45	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Prior to this Werk, it was possible to inject HTML elements into Crash report URL in the Global settings, leading to an XSS vulnerability in the Crash reports page.

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)

Indicators of Compromise:

Check the crash report HTTP URL in the Global settings for suspicious HTML elements.

Vulnerability Management:

We have rated the issue with a CVSS Score of 4.8 Medium with the following CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. and assigned CVE-2024-28832.

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