Werk #15191: Livestatus command injection in RestAPI

Component

REST API

Title

Livestatus command injection in RestAPI

Date

May 11, 2023

Level

Trivial Change

Class

Security Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.3.0b1 Not yet released	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.3.0b1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.2.0b8	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk Cloud (CCE), Checkmk MSP (CME)
2.1.0p28	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
2.0.0p36	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Prior to this Werk all RestAPI endpoints that use Livestatus filter operators were susceptible to injection of Livestatus commands. Any user authorized to use the affected RestAPI routes could hence execute arbitrary Livestatus commands.

This issue was uncovered by internal review.

Affected Versions: * 2.2.0 (beta) * 2.1.0 * 2.0.0

Vulnerability Management: We have rated the issue with a CVSS Score of 8.3 (High) with the following CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H and assigned CVE CVE-2023-31208.

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