Checkmk Werk 15065: Path-Traversal in MKP storing

ID: 15065 Title: Path-Traversal in MKP storing Component: Other Components Level: 1 Class: Security fix Version: 2.2.0i1 Previous to this Werk it was possible that an authenticated user with admin rights uploads a malicious MKP leading to a file creation with an attacker controlled path. We thank Niko Wenselowsk (SVA) for reporting this issue. <b>Affected versions are:</b> LI: 2.0.0 previous to this Werk LI: 2.1.0 previous to this Werk LI: 1.6.0 is not affected <b>Detection possibilities:</b> A audit log is written when an extension package is uploaded. You can look for a entry with <tt>Uploaded extension package</tt> follwed by a package name and version containing sequences of <tt>../</tt>. <b>Vulnerability Management:</b> We have rated the issue with a CVSS Score of 3.5 (low) with the following CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:L. We assigned CVE-2022-4884 to this vulnerability.