Require Strong Revision Limits on File Serving Endpoints for Cache Poison Protection
CVE-2023-5548 Published on November 9, 2023
Moodle: cache poisoning risk with endpoint revision numbers
Stronger revision number limitations were required on file serving endpoints to improve cache poisoning protection.
Vulnerability Analysis
CVE-2023-5548 is exploitable with local system access, requires 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, with no impact on integrity, and no impact on availability.
Timeline
Reported to Red Hat.
Made public. 6 days later.
Weakness Type
Acceptance of Extraneous Untrusted Data With Trusted Data
The software, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted.
Products Associated with CVE-2023-5548
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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.