CVE-2024-8616: Arbitrary File Overwrite in h2oai/h2o-3
First published: Thu Mar 20 2025(Updated: )
In h2oai/h2o-3 version 3.46.0, the `/99/Models/{name}/json` endpoint allows for arbitrary file overwrite on the target server. The vulnerability arises from the `exportModelDetails` function in `ModelsHandler.java`, where the user-controllable `mexport.dir` parameter is used to specify the file path for writing model details. This can lead to overwriting files at arbitrary locations on the host system.
Credit: security@huntr.dev
| Affected Software | Affected Version | How to fix |
|---|---|---|
| H2O-3 | ||
| maven/ai.h2o:h2o-core | >=3.10.4.1<=3.46.0 | |
| pip/h2o | >=3.10.4.1<=3.46.0 |
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Reference Links
- https://huntr.com/bounties/aebf69a5-b9b1-4d2f-a8ff-902c11a8c97a
- https://nvd.nist.gov/vuln/detail/CVE-2024-8616
- https://github.com/h2oai/h2o-3/blob/088190f9d0370a02a483fca68d8dc89c996b4f83/h2o-core/src/main/java/water/api/ModelsHandler.java#L310
- https://github.com/advisories/GHSA-g48v-3p35-88jr (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-8616?
CVE-2024-8616 has been rated as a high severity vulnerability due to its potential for arbitrary file overwrite.
How do I fix CVE-2024-8616?
To fix CVE-2024-8616, update to the latest version of h2o-3 where the vulnerability has been patched.
What is affected by CVE-2024-8616?
CVE-2024-8616 affects h2oai's h2o-3 version 3.46.0.
What kind of attack does CVE-2024-8616 facilitate?
CVE-2024-8616 facilitates arbitrary file overwrite attacks by misusing the exportModelDetails function.
How does CVE-2024-8616 affect server security?
CVE-2024-8616 can compromise server security by allowing attackers to overwrite files, potentially leading to data loss or unauthorized access.
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