An unauthenticated path traversal vulnerability exists in Dicoogle PACS Web Server version 2.5.0 and possibly earlier. The vulnerability allows remote attackers to read arbitrary files on the underlying system by sending a crafted request to the /exportFile endpoint using the UID parameter. Successful exploitation can reveal sensitive files accessible by the web server user.
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.