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This article helps troubleshoot why the CVE-Check for Log4j crashes on Windows systems. |
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Problem
Together with a customer, we figured out a crash of the CVE-2021-44228 Log4j Checkmk from the Checkmk Exchange Site: https://exchange.checkmk.com/p/cve-2021-44228-log4j
The problem seems to be the incomplete agent output:
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<<<cve_2021_44228_log4j:sep(0):cached(1640096053,86400)>>> 2021-12-21T15:14:13+01:00 SCAN OPTIONS: --all-drives <<<>>> |
Solution
Let's debug this further on the Windows machine:
The Powershell script returns only the incomplete output. That's why we need to execute the log4j2-scan.exe
To solve this, you can use this manual: https://smarttechnicalworldanswers.microsoft.com/fix-vcruntime140-dll-is-missing-on-windows-10/en-us/windows/forum/all/vcruntime140dll-was-not-found/f43d5afd-9239-4913-8f32-20e44a959e13
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