#VU87689 Path traversal in onnx - CVE-2024-27318

Vulnerability identifier: #VU87689

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-27318

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
onnx
Universal components / Libraries / Libraries used by multiple products

Vendor: Open Neural Network Exchange

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences passed via the external_data field of the tensor proto. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Note, the vulnerability exists due to incomplete fix for #VU75176 (CVE-2022-25882).

Mitigation
Install update from vendor's website.

Vulnerable software versions

onnx: 0.1 - 1.15.0

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External links
https://github.com/onnx/onnx/commit/66b7fb630903fdcf3e83b6b6d56d82e904264a20
https://github.com/onnx/onnx/releases/tag/v1.16.0

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.