CVE-2024-6959 Denial of Service (DOS) in multipart boundary while uploading file in parisneo/lollms-webui

High 7.1 Published Updated

Attackers can cause denial of service in lollms-webui by sending malicious multipart boundaries, exacerbated by missing CSRF protection.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-6959?

CVE-2024-6959 is a high-severity denial of service vulnerability in parisneo/lollms-webui, published on 13 Oct 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A vulnerability in parisneo/lollms-webui version 9.8 allows for a Denial of Service (DOS) attack when uploading an audio file. If an attacker appends a large number of characters to the end of a multipart boundary, the system will continuously process each character, rendering lollms-webui inaccessible. This issue is exacerbated by the lack of Cross-Site Request Forgery (CSRF) protection, enabling remote exploitation. The vulnerability leads to service disruption, resource exhaustion, and extended downtime.

Weakness: CWE-352

Which versions are affected by CVE-2024-6959?

It affects 1 product.

Products include Lollms Lollms Web Ui.

How do I fix CVE-2024-6959?

No fix has been published for CVE-2024-6959 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2024-6959 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-6959 exists.

Sources

Also known as GHSA-33r9-m4vj-8h9p.

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