CVE-2024-7774

Description

A path traversal vulnerability exists in the `getFullPath` method of langchain-ai/langchainjs version 0.2.5. This vulnerability allows attackers to save files anywhere in the filesystem, overwrite existing text files, read `.txt` files, and delete files. The vulnerability is exploited through the `setFileContent`, `getParsedFile`, and `mdelete` methods, which do not properly sanitize user input.

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CVSS v3.1 Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weakness Type (CWE)

CWE-29 CWE-29

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
langchain	langchain.js	All

References

Advisories & Patches

https://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e538a9

Exploits

https://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee

Frequently Asked Questions

What is CVE-2024-7774? +

A path traversal vulnerability exists in the `getFullPath` method of langchain-ai/langchainjs version 0.2.5. This vulnerability allows attackers to save files anywhere in the filesystem, overwrite existing text files, read `.txt` files, and delete files. The vulnerability is exploited through the `setFileContent`, `getParsedFile`, and `mdelete` methods, which do not properly sanitize user input. It has a CVSS v3.1 base score of 9.1 (CRITICAL).

How severe is CVE-2024-7774? +

CVE-2024-7774 has a CVSS v3.1 score of 9.1 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-7774? +

CVE-2024-7774 affects products from langchain, specifically: langchain.js. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-7774? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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