Multiple directory traversal vulnerabilities in the FileBrowser components in Synology DiskStation Manager (DSM) before 4.3-3810 Update 3 allow remote attackers to read, write, and delete arbitrary files via a .. (dot dot) in the (1) path parameter to file_delete.cgi or (2) folder_path parameter to file_share.cgi in webapi/FileStation/; (3) dlink parameter to fbdownload/; or unspecified parameters to (4) html5_upload.cgi, (5) file_download.cgi, (6) file_sharing.cgi, (7) file_MVCP.cgi, or (8) file_rename.cgi in webapi/FileStation/.
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
| Link | Tags |
|---|---|
| http://www.securityfocus.com/bid/64483 | vdb entry exploit |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/89892 | vdb entry |
| http://www.synology.com/en-us/releaseNote/model/DS114 | |
| http://packetstormsecurity.com/files/124563 | exploit |
| http://www.exploit-db.com/exploits/30475 | exploit |
| http://seclists.org/fulldisclosure/2013/Dec/177 | exploit mailing list |