open-webui up to 0.3.8 Markdown resource consumption

Summaryinfo

A vulnerability was found in open-webui up to 0.3.8. It has been rated as problematic. This vulnerability affects unknown code of the component Markdown Handler. This manipulation causes resource consumption. This vulnerability is handled as CVE-2024-7983. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in open-webui up to 0.3.8. It has been declared as problematic. Affected by this vulnerability is an unknown function of the component Markdown Handler. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

In version 0.3.8 of open-webui, an endpoint for converting markdown to HTML is exposed without authentication. A maliciously crafted markdown payload can cause the server to spend excessive time converting it, leading to a denial of service. The server becomes unresponsive to other requests until the conversion is complete.

It is possible to read the advisory at huntr.com. This vulnerability is known as CVE-2024-7983 since 08/19/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

• open-webui

Version

• 0.3.0
• 0.3.1
• 0.3.2
• 0.3.3
• 0.3.4
• 0.3.5
• 0.3.6
• 0.3.7
• 0.3.8

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Threat Intelligenceinfo

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Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

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