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CVE-2023-6038 PoC — Local File Inclusion in h2oai/h2o-3

Source
https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-6038.yaml
Associated Vulnerability
Title:Local File Inclusion in h2oai/h2o-3 (CVE-2023-6038)
Description:A Local File Inclusion (LFI) vulnerability exists in the h2o-3 REST API, allowing unauthenticated remote attackers to read arbitrary files on the server with the permissions of the user running the h2o-3 instance. This issue affects the default installation and does not require user interaction. The vulnerability can be exploited by making specific GET or POST requests to the ImportFiles and ParseSetup endpoints, respectively. This issue was identified in version 3.40.0.4 of h2o-3.
Description
An attacker is able to read any file on the server hosting the H2O dashboard without any authentication.
File Snapshot

 id: CVE-2023-6038

info:
  name: H2O ImportFiles - Local File Inclusion
  author: danmcinerney,byt3b

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