#VU95804 Deserialization of Untrusted Data in transformers - CVE-2023-6730

Vulnerability identifier: #VU95804

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-6730

CWE-ID: CWE-502

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
transformers
Other software / Other software solutions

Vendor: huggingface

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when fetching RagRetriever models. A remote attacker can pass a specially crafted config file to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

transformers: 0.1.2 - 4.35.2

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External links
https://huntr.com/bounties/423611ee-7a2a-442a-babb-3ed2f8385c16
https://github.com/huggingface/transformers/commit/1d63b0ec361e7a38f1339385e8a5a855085532ce

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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.