CVE-2024-27318

Summary

CVE-2024-27318 is a newly discovered directory traversal vulnerability affecting versions of the ONNX package before and including 1.15.0. The issue arises due to the external_data field of the tensor proto, which can contain a file path that extends beyond the model current directory or user-provided directory. Notably, this vulnerability bypasses the patch implemented for CVE-2022-25882. Attackers can exploit this weakness to traverse directories and potentially gain unauthorized access to sensitive data. Users are urged to update to the latest version of ONNX to mitigate this risk.

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