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README.md

H2O Vulnerabilities and Exploits

Overview

H2O-3 is a low-code machine learning platform that enables data scientists and analysts to build and deploy machine learning models using an easy web interface by just importing their data. A default, out of the box installation has no authentication and is exposed to the network.

Vulnerabilities

CSRF (Cross-Site Request Forgery)

  • Description: H2O is vulnerable to CSRF due to the lack of proper CSRF protection. Attackers can exploit this vulnerability to perform unwanted actions on a web application in which the user is currently authenticated.
  • Impact: This could lead to unauthorized actions being taken on behalf of the authenticated user.

RCE (Remote Code Execution)

  • Description: H2O allows the importation of POJO models which are Java code objects. This can be exploited to execute arbitrary Java code on the server, leading to Remote Code Execution (RCE).
  • Impact: Since H2O does not require authentication by default and is exposed to the network, it can be compromised remotely, allowing an attacker to take full control of the server.

LFI (Local File Inclusion)

  • Description: There is a Local File Inclusion (LFI) vulnerability in H2O, where a remote API call can be made to read the entire file system on the server.
  • Impact: This vulnerability allows an attacker to read sensitive files from the server, leading to information disclosure and potentially further exploitation.

Utilities

Metasploit Modules

  • h2o_pojo_import_rce: Exploits the RCE vulnerability to gain a remote shell on the server.
  • h2o_importfiles_lfi: Exploits the LFI vulnerability to read files from the server's file system.
  • h2o_typeahead_api: Exploits the ability of H2O to list files and folders on the vulnerable server.

CSRF Template

  • h2o-rce-csrf - A pre-crafted HTML template that can be used to demonstrate the CSRF to RCE vulnerability in H2O.

Nuclei Template

  • h2o-importfiles-lfi: Identifies LFI vulnerabilities through the import files functionality in H2O.
  • h2o-apl: Scans for the arbitrary path lookup endpoints in H2O.
  • h2o-dashboard: Looks for H2O dashboard endpoints that may be unprotected.
  • h2o-pojo-rce: Scans for the RCE vulnerability via POJO model importation in H2O.

Reports

Disclaimer

The vulnerabilities and associated exploits provided in this repository are for educational and ethical security testing purposes only.

Contribution

Contributions to improve the exploits or documentation are welcome.

License

All exploits and templates in this repository are released under the Apache 2.0 License.