h2oai h2o-3 up to 3.46.0.1 Empty File /3/Parse file inclusion

Summaryinfo

A vulnerability was found in h2oai h2o-3 up to 3.46.0.1. It has been declared as problematic. This vulnerability affects unknown code of the file /3/Parse of the component Empty File Handler. Executing a manipulation can lead to file inclusion. This vulnerability is registered as CVE-2024-5986. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in h2oai h2o-3 up to 3.46.0.1. This vulnerability affects some unknown processing of the file /3/Parse of the component Empty File Handler. The manipulation with an unknown input leads to a file inclusion vulnerability. The CWE definition for the vulnerability is CWE-73. The product allows user input to control or influence paths or file names that are used in filesystem operations. As an impact it is known to affect integrity, and availability. CVE summarizes:

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.

The advisory is shared for download at huntr.com. This vulnerability was named CVE-2024-5986 since 06/13/2024. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/02/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

• h2oai

Name

• h2o-3

Version

• 3.46.0.0
• 3.46.0.1

CPE 2.3info

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CPE 2.2info

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