mlflow HTTP POST Request artifact_location/source path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in mlflow. Affected is an unknown function of the component HTTP POST Request Handler. Such manipulation of the argument artifact_location/source leads to path traversal. This vulnerability is traded as CVE-2024-1483. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in mlflow (affected version not known). It has been rated as critical. Affected by this issue is some unknown functionality of the component HTTP POST Request Handler. The manipulation of the argument artifact_location/source with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. CVE summarizes:

A path traversal vulnerability exists in mlflow/mlflow version 2.9.2, allowing attackers to access arbitrary files on the server. By crafting a series of HTTP POST requests with specially crafted 'artifact_location' and 'source' parameters, using a local URI with '#' instead of '?', an attacker can traverse the server's directory structure. The issue occurs due to insufficient validation of user-supplied input in the server's handlers.

The advisory is shared for download at huntr.com. This vulnerability is handled as CVE-2024-1483 since 02/13/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

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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• mlflow

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