danny-avila librechat up to 0.7.5 Setting denial of service

Summaryinfo

A vulnerability identified as problematic has been detected in danny-avila librechat up to 0.7.5. Affected by this vulnerability is an unknown functionality of the component Setting Handler. Performing a manipulation results in denial of service. This vulnerability is reported as CVE-2024-11171. The attack is possible to be carried out remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in danny-avila librechat up to 0.7.5. This affects some unknown functionality of the component Setting Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

In danny-avila/librechat version git 0c2a583, there is an improper input validation vulnerability. The application uses multer middleware for handling multipart file uploads. When using in-memory storage (the default setting for multer), there is no limit on the upload file size. This can lead to a server crash due to out-of-memory errors when handling large files. An attacker without any privileges can exploit this vulnerability to cause a complete denial of service. The issue is fixed in version 0.7.6.

It is possible to read the advisory at huntr.com. This vulnerability is uniquely identified as CVE-2024-11171 since 11/12/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 0.7.6 eliminates this vulnerability. Applying the patch bb58a2d0662ef86dc75a9d2f6560125c018e3836 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

• Chat Software

Vendor

• danny-avila

Name

• librechat

Version

• 0.7.0
• 0.7.1
• 0.7.2
• 0.7.3
• 0.7.4
• 0.7.5

License

• open-source

Website

• Product: https://github.com/danny-avila/librechat/

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