MLflow up to 2.11.2 Query String path traversal

Summaryinfo

A vulnerability described as problematic has been identified in MLflow up to 2.11.2. This impacts an unknown function of the component Query String Handler. The manipulation results in path traversal. This vulnerability is reported as CVE-2024-2928. The attack can be launched remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in MLflow up to 2.11.2. It has been classified as problematic. Affected is an unknown code block of the component Query String Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-29. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize '\..\filename' (leading backslash dot dot) sequences that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality. CVE summarizes:

A Local File Inclusion (LFI) vulnerability was identified in mlflow/mlflow, specifically in version 2.9.2, which was fixed in version 2.11.3. This vulnerability arises from the application's failure to properly validate URI fragments for directory traversal sequences such as '../'. An attacker can exploit this flaw by manipulating the fragment part of the URI to read arbitrary files on the local file system, including sensitive files like '/etc/passwd'. The vulnerability is a bypass to a previous patch that only addressed similar manipulation within the URI's query string, highlighting the need for comprehensive validation of all parts of a URI to prevent LFI attacks.

The advisory is available at huntr.com. This vulnerability is traded as CVE-2024-2928 since 03/26/2024. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

Upgrading to version 2.11.3 eliminates this vulnerability. Applying the patch 96f0b573a73d8eedd6735a2ce26e08859527be07 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Name

• MLflow

Version

• 2.11.0
• 2.11.1
• 2.11.2

License

• open-source

Website

• Product: https://github.com/mlflow/mlflow/

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CPE 2.2info

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