CVE-2024-1558: mlflow Path Traversal — Exploit

Description

A path traversal vulnerability exists in the `_create_model_version()` function within `server/handlers.py` of the mlflow/mlflow repository, due to improper validation of the `source` parameter. Attackers can exploit this vulnerability by crafting a `source` parameter that bypasses the `_validate_non_local_source_contains_relative_paths(source)` function's checks, allowing for arbitrary file read access on the server. The issue arises from the handling of unquoted URL characters and the subsequent misuse of the original `source` value for model version creation, leading to the exposure of sensitive files when interacting with the `/model-versions/get-artifact` handler.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
lfprojects	mlflow	< 2.12.1

References

Exploits

https://huntr.com/bounties/7f4dbcc5-b6b3-43dd-b310-e2d0556a8081 https://huntr.com/bounties/7f4dbcc5-b6b3-43dd-b310-e2d0556a8081

Frequently Asked Questions

What is CVE-2024-1558? +

A path traversal vulnerability exists in the `_create_model_version()` function within `server/handlers.py` of the mlflow/mlflow repository, due to improper validation of the `source` parameter. Attackers can exploit this vulnerability by crafting a `source` parameter that bypasses the `_validate_non_local_source_contains_relative_paths(source)` function's checks, allowing for arbitrary file read access on the server. The issue arises from the handling of unquoted URL characters and the subsequent misuse of the original `source` value for model version creation, leading to the exposure of sensitive files when interacting with the `/model-versions/get-artifact` handler. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2024-1558? +

CVE-2024-1558 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-1558? +

CVE-2024-1558 affects products from lfprojects, specifically: mlflow. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-1558? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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