| Package | Affected versions | Patched versions |
|---|---|---|
| ai.h2o:h2o-core | ≤ 3.46.0.1 | |
| h2o | ≤ 3.46.0.1 |
A vulnerability in h2oai/h2o-3 version 3.46.0.1 allows remote attackers to write arbitrary data to any file on the server. This is achieved by exploiting the /3/Parse endpoint to inject attacker-controlled data as the header of an empty file, which is then exported using the /3/Frames/framename/export endpoint. The impact of this vulnerability includes the potential for remote code execution and complete access to the system running h2o-3, as attackers can overwrite critical files such as private SSH keys or script files.
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