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PUBLISHED

CVE-2024-3848

Path Traversal Bypass in mlflow/mlflow

Reserved:2024-04-15
Published:2024-05-16
Updated:2024-05-16

Description

A path traversal vulnerability exists in mlflow/mlflow version 2.11.0, identified as a bypass for the previously addressed CVE-2023-6909. The vulnerability arises from the application's handling of artifact URLs, where a '#' character can be used to insert a path into the fragment, effectively skipping validation. This allows an attacker to construct a URL that, when processed, ignores the protocol scheme and uses the provided path for filesystem access. As a result, an attacker can read arbitrary files, including sensitive information such as SSH and cloud keys, by exploiting the way the application converts the URL into a filesystem path. The issue stems from insufficient validation of the fragment portion of the URL, leading to arbitrary file read through path traversal.



HIGH: 7.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

CWE-29 Path Traversal: '\..\filename'

Product status

Any version before 2.12.1
affected

References

https://huntr.com/bounties/8d5aadaa-522f-4839-b41b-d7da362dd610

https://github.com/mlflow/mlflow/commit/f8d51e21523238280ebcfdb378612afd7844eca8

cve.org CVE-2024-3848

nvd.nist.gov CVE-2024-3848

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