CVE-2024-27134: mlflow Permission Flaw — Fix

Description

Excessive directory permissions in MLflow leads to local privilege escalation when using spark_udf. This behavior can be exploited by a local attacker to gain elevated permissions by using a ToCToU attack. The issue is only relevant when the spark_udf() MLflow API is called.

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CVSS v3.1 Score

7.0

HIGH

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

Weakness Type (CWE)

CWE-276 Incorrect Default Permissions

CWE-367 CWE-367

Affected Products

Vendor	Product	Versions
lfprojects	mlflow	< 2.16.0

References

Advisories & Patches

https://github.com/mlflow/mlflow/pull/10874

Frequently Asked Questions

What is CVE-2024-27134? +

Excessive directory permissions in MLflow leads to local privilege escalation when using spark_udf. This behavior can be exploited by a local attacker to gain elevated permissions by using a ToCToU attack. The issue is only relevant when the spark_udf() MLflow API is called. It has a CVSS v3.1 base score of 7.0 (HIGH).

How severe is CVE-2024-27134? +

CVE-2024-27134 has a CVSS v3.1 score of 7.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-27134? +

CVE-2024-27134 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-2024-27134? +

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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