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
PHP Double Free Vulnerability (CVE-2016-5772)
SharePoint Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2019-1443)
phpMyAdmin Other Vulnerability (CVE-2006-5116)
XWiki Improper Encoding or Escaping of Output Vulnerability (CVE-2022-41934)
OpenSSL Observable Discrepancy Vulnerability (CVE-2022-4304)