Path Traversal Bypass in mlflow/mlflow

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.

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路径遍历：’..filename’

Mlflow 安全漏洞

Mlflow是一个机器学习生命周期的开源平台。 Mlflow 2.11.0版本存在安全漏洞，该漏洞源于对 URL 的片段部分验证不足，导致通过路径遍历读取任意文件。

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