CyberRota Analysis
AI-GeneratedFOSSBilling versions prior to 0.8.1 are vulnerable due to a flaw in how downloadable product files are stored, allowing files with the same original filename to overwrite each other in the uploads directory. This could lead to customers or administrators inadvertently downloading incorrect files, potentially compromising data integrity. Organizations using FOSSBilling should prioritize this vulnerability, especially those with multiple downloadable products, and implement the recommended workarounds until they can upgrade to the patched version.
Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
Note: these links are listed for security research and verification purposes only.
Original NVD Description
FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.1, downloadable product files are stored using a deterministic filename-derived path. When an administrator uploads a file for a downloadable product, FOSSBilling stores the file as `md5(<original filename>)` under the uploads directory. Because the stored path depends only on the client-supplied filename, two different downloadable products, or product/order files, uploaded with the same original filename will resolve to the same stored file path. A later upload can overwrite an earlier upload, causing customers or administrators downloading the earlier product to receive the later file instead. Version 0.8.1 patches the issue. Some workarounds are available. Restrict the `servicedownloadable.manage` permission to fully trusted administrators only. As an operational mitigation, ensure downloadable product files use unique filenames before upload. This reduces accidental collisions but does not fully address the underlying issue.