Path Traversal Vulnerability in mlflow/mlflow

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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对路径名的限制不恰当(路径遍历)

Mlflow 路径遍历漏洞

Mlflow是一个机器学习生命周期的开源平台。 Mlflow 存在路径遍历漏洞，该漏洞源于对“source”参数验证不当。攻击者利用该漏洞在服务器上可以读取访问任意文件。

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