DoS via Oneboxing in Discourse <3.2.3, 3.3.0.beta3
CVE-2024-35227 Published on July 3, 2024
Discourse vulnerable to DoS through Onebox
Discourse is an open-source discussion platform. Prior to version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch, Oneboxing against a carefully crafted malicious URL can reduce the availability of a Discourse instance. The problem has been patched in version 3.2.3 on the `stable` branch and version 3.3.0.beta3 on the `tests-passed` branch. There are no known workarounds available for this vulnerability.
Vulnerability Analysis
CVE-2024-35227 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.
Weakness Type
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Products Associated with CVE-2024-35227
Want to know whenever a new CVE is published for Discourse? stack.watch will email you.
Affected Versions
discourse:- Version stable < 3.2.3 is affected.
- Version tests-passed < 3.3.0.beta3 is affected.
- Before 3.2.3 is affected.
- Before 3.3.0.beta3 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.