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CVE-2023-43654

10.0 · CRITICAL

TorchServe is a tool for serving and scaling PyTorch models in production.

Published Sep 28, 2023CWE-918EPSS 41.70%

Overview

CVE-2023-43654 is a critical-severity vulnerability. It was published on September 28, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

TorchServe is a tool for serving and scaling PyTorch models in production. TorchServe default configuration lacks proper input validation, enabling third parties to invoke remote HTTP download requests and write files to the disk. This issue could be taken advantage of to compromise the integrity of the system and sensitive data. This issue is present in versions 0.1.0 to 0.8.1. A user is able to load the model of their choice from any URL that they would like to use. The user of TorchServe is responsible for configuring both the allowed_urls and specifying the model URL to be used. A pull request to warn the user when the default value for allowed_urls is used has been merged in PR #2534. TorchServe release 0.8.2 includes this change. Users are advised to upgrade. There are no known workarounds for this issue.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/175095/PyTorch-Model-Server-Registration-Deserialization-Remote-Code-Execution.htmlGitHubgithub.com/pytorch/serve/pull/2534GitHubgithub.com/pytorch/serve/releases/tag/v0.8.2GitHubgithub.com/pytorch/serve/security/advisories/GHSA-8fxr-qfr9-p34wRefpacketstormsecurity.com/files/175095/PyTorch-Model-Server-Registration-Deserialization-Remote-Code-Execution.htmlGitHubgithub.com/pytorch/serve/pull/2534GitHubgithub.com/pytorch/serve/releases/tag/v0.8.2GitHubgithub.com/pytorch/serve/security/advisories/GHSA-8fxr-qfr9-p34w

How CyberStrike helps

Frequently asked questions

What is CVE-2023-43654?

CVE-2023-43654 is a critical-severity vulnerability. It was published on September 28, 2023 and has a CVSS 3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2023-43654?

This vulnerability has a CVSS 3.1 base score of 10.0, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-43654?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-43654?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-43654 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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