CVE-2023-38704: import-in-the-middle allows unsanitized user controlled input in module generation
First published: Mon Aug 07 2023(Updated: )
### Impact The `import-in-the-middle` loader works by generating a wrapper module on the fly. The wrapper uses the module specifier to load the original module and add some wrapping code. It allows for remote code execution in cases where an application passes user-supplied input directly to an import() function. ### Patches This vulnerability has been patched in `import-in-the-middle` version 1.4.2 ### Workarounds * Do not pass any user-supplied input to `import()`. Instead, verify it against a set of allowed values. * If using `import-in-the-middle` and support for EcmaScript Modules is not needed, ensure that none of the following options are set (either via command-line or the `NODE_OPTIONS` environment variable): ``` --loader=import-in-the-middle/hook.mjs --loader import-in-the-middle/hook.mjs ``` ### References If you have any questions or comments about this advisory, email us at [security@datadoghq.com](mailto:security@datadoghq.com)
Credit: security-advisories@github.com security-advisories@github.com security-advisories@github.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Datadoghq Import-in-the-middle | <1.4.2 |
Remedy
https://github.com/DataDog/import-in-the-middle/commit/2531cdd9d1d73f9eaa87c16967f60cb276c1971b
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Reference Links
Frequently Asked Questions
What is CVE-2023-38704?
CVE-2023-38704 is a vulnerability in import-in-the-middle, a module loading interceptor for ESM modules.
What is the impact of CVE-2023-38704?
The impact of CVE-2023-38704 is remote code execution when an application passes user-supplied input directly to an import statement.
What is the severity of CVE-2023-38704?
The severity of CVE-2023-38704 is critical with a CVSS score of 9.8.
Which software is affected by CVE-2023-38704?
The affected software is import-in-the-middle version 1.4.2 and below for Node.js and npm/import-in-the-middle version 1.4.1.
How can CVE-2023-38704 be fixed?
To fix CVE-2023-38704, update import-in-the-middle to version 1.4.3 or later for Node.js, and update npm/import-in-the-middle to version 1.4.2 or later.
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