CVE-2024-3571: langchain Path Traversal

Description

langchain-ai/langchain is vulnerable to path traversal due to improper limitation of a pathname to a restricted directory ('Path Traversal') in its LocalFileStore functionality. An attacker can leverage this vulnerability to read or write files anywhere on the filesystem, potentially leading to information disclosure or remote code execution. The issue lies in the handling of file paths in the mset and mget methods, where user-supplied input is not adequately sanitized, allowing directory traversal sequences to reach unintended directories.

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CVSS v3.1 Score

8.8

HIGH

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

Weakness Type (CWE)

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
langchain	langchain	All

References

Advisories & Patches

https://github.com/langchain-ai/langchain/commit/aad3d8bd47d7f5598156ff2bdcc8f736f24a7412 https://github.com/langchain-ai/langchain/commit/aad3d8bd47d7f5598156ff2bdcc8f736f24a7412

Exploits

https://huntr.com/bounties/2df3acdc-ee4f-4257-bbf8-a7de3870a9d8 https://huntr.com/bounties/2df3acdc-ee4f-4257-bbf8-a7de3870a9d8

Frequently Asked Questions

What is CVE-2024-3571? +

langchain-ai/langchain is vulnerable to path traversal due to improper limitation of a pathname to a restricted directory ('Path Traversal') in its LocalFileStore functionality. An attacker can leverage this vulnerability to read or write files anywhere on the filesystem, potentially leading to information disclosure or remote code execution. The issue lies in the handling of file paths in the mset and mget methods, where user-supplied input is not adequately sanitized, allowing directory traversal sequences to reach unintended directories. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-3571? +

CVE-2024-3571 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-3571? +

CVE-2024-3571 affects products from langchain, specifically: langchain. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-3571? +

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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