Discourse DoS via Unlimited Replacement Words (<=3.2.2)
CVE-2024-38360 Published on July 15, 2024
Denial of service via Watched Words in Discourse
Discourse is an open source platform for community discussion. In affected versions by creating replacement words with an almost unlimited number of characters, a moderator can reduce the availability of a Discourse instance. This issue has been addressed in stable version 3.2.3 and in current betas. Users are advised to upgrade. Users unable to upgrade may manually remove the long watched words either via SQL or Rails console.
Vulnerability Analysis
CVE-2024-38360 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software 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.
CVE-2024-38360 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2024-38360
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Affected Versions
discourse:- Version stable <= 3.2.2 is affected.
- Version beta <= 3.3.0.beta2 is affected.
- Version tests-passed <= 3.3.0.beta2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.