Discourse up to 3.2.0/3.3.0.beta1 CSV Export resource consumption

Summaryinfo

A vulnerability was found in Discourse up to 3.2.0/3.3.0.beta1. It has been rated as problematic. The affected element is an unknown function of the component CSV Export. Performing a manipulation results in resource consumption. This vulnerability is reported as CVE-2024-27100. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Discourse up to 3.2.0/3.3.0.beta1. This affects an unknown function of the component CSV Export. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

Discourse is an open source platform for community discussion. In affected versions the endpoints for suspending users, silencing users and exporting CSV files weren't enforcing limits on the sizes of the parameters that they accept. This could lead to excessive resource consumption which could render an instance inoperable. A site could be disrupted by either a malicious moderator on the same site or a malicious staff member on another site in the same multisite cluster. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2024-27100 since 02/19/2024. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

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

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Chat Software

Name

• Discourse

Version

• 3.0
• 3.1
• 3.2.0
• 3.3.0.beta1

License

• open-source

Website

• Product: https://github.com/discourse/discourse/

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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