FileRise is a self-hosted web-based file manager with multi-file upload, editing, and batch operations. Prior to 3.19.0, FileRise validates the complete folderName string but does not reject dot-dot path segments before FolderModel::createFolder() constructs and creates the destination. An authenticated low-privileged user with a valid CSRF token and create or owner permission on the parent can submit traversal segments to POST /api/folder/createFolder.php and create directories outside UPLOAD_DIR wherever the web-server account can write.
This issue is fixed in version 3.19.0.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
None
No data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption
CVSS Vector v3.1
Weakness Type (CWE)
References 3
https://github.com/error311/FileRise/commit/3bd5144b4bfdd03f059de18a4d106c235cf…
security-advisories@github.com
https://github.com/error311/FileRise/releases/tag/v3.19.0
security-advisories@github.com
https://github.com/error311/FileRise/security/advisories/GHSA-p7vh-cjpm-rmrq
security-advisories@github.com