Security Advisory 05 – 006 – Directory & File Enumeration Via Reporting System
Webseries Payment Application
Vulnerability discovery and development:
Portcullis Security Testing Services
Bottomline Webseries Payment Application
By manipulating the values of certain variables used during report selection it was possible enumerate the directory structure on the web server.
The BTInteractiveViewer.asp script combines the values of the “ReportPath” and “ReportName” variables to determine the location of the selected report template.
When a non-existent file is specified in the “ReportName” variable an error message of “The system cannot find the file specified” is returned.
When a non-existent directory is specified in the “ReportPath” variable an error message of “The system cannot find the path specified” is returned.
When the “ReportName” variable contains the name of a file that exists in the directory specified in the “ReportPath” variable an error message of “Unable to load report” is returned.
An attacker can use the information obtained by this issue to gain a better understanding of the structure of the underlying file system of the web server.
No exploit code required.