Keycloak DoS via Unbounded Attribute Values
CVE-2023-6841 Published on September 10, 2024
Keycloak: amount of attributes per object is not limited and it may lead to dos
A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.
Vulnerability Analysis
CVE-2023-6841 can be exploited with network access, and does not require authorization privileges or user interaction. 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.
Timeline
Reported to Red Hat.
Made public. 270 days later.
Weakness Type
Improper Handling of Extra Values
The software does not handle or incorrectly handles when more values are provided than expected.
Products Associated with CVE-2023-6841
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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.