Description
The chunked upload API (ApiUpload) in MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not restrict the uploaded data to the claimed file size, which allows remote authenticated users to cause a denial of service via a chunk that exceeds the file size.
Remediation
References
Related Vulnerabilities
WordPress Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2008-0191)
MySQL CVE-2017-3331 Vulnerability (CVE-2017-3331)
PHP Other Vulnerability (CVE-2015-4602)
Oracle HTTP Server Out-of-bounds Read Vulnerability (CVE-2021-36160)
Moodle Incorrect Authorization Vulnerability (CVE-2020-25701)