Nextcloud Cal App CVE-2024-37316: Bad Redirect via Attachments (4.6.8/4.7.2)
CVE-2024-37316 Published on June 14, 2024
Nextcloud Calendar's event create can create attachments that link to other websites
Nextcloud Calendar is a calendar app for Nextcloud. Authenticated users could create an event with manipulated attachment data leading to a bad redirect for participants when clicked. It is recommended that the Nextcloud Calendar App is upgraded to 4.6.8 or 4.7.2.
Vulnerability Analysis
CVE-2024-37316 is exploitable with network access, requires user interaction and a small amount of 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 a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
Improper Handling of Unexpected Data Type
The software does not handle or incorrectly handles when a particular element is not the expected type, e.g. it expects a digit (0-9) but is provided with a letter (A-Z).
Products Associated with CVE-2024-37316
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Affected Versions
nextcloud security-advisories:- Version >= 4.3.0, < 4.6.8 is affected.
- Version >= 4.7.0, < 4.7.2 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.