RabbitMQ < 3.11.24/3.12.7 HTTP API DoS via no request body limit
CVE-2023-46118 Published on October 25, 2023
Denial of Service by publishing large messages over the HTTP API
RabbitMQ is a multi-protocol messaging and streaming broker. HTTP API did not enforce an HTTP request body limit, making it vulnerable for denial of service (DoS) attacks with very large messages. An authenticated user with sufficient credentials can publish a very large messages over the HTTP API and cause target node to be terminated by an "out-of-memory killer"-like mechanism. This vulnerability has been patched in versions 3.11.24 and 3.12.7.
Vulnerability Analysis
CVE-2023-46118 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-2023-46118 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2023-46118
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Affected Versions
rabbitmq-server:- Version < 3.12.7 is affected.
- Version < 3.11.24 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.