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Test Microsoft IIS Source Fragment Disclosure
Information
Severity
Severity
High
Family
Family
Remote file access
CVSSv2 Base
CVSSv2 Base
7.5
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Solution Type
Solution Type
Vendor Patch
Created
Created
18 years ago
Modified
Modified
5 years ago
Summary
Microsoft IIS 4.0 and 5.0 can be made to disclose fragments of source code which should otherwise be inaccessible. This is done by appending +.htr to a request for a known .asp (or .asa, .ini, etc) file.
Solution
Solution
.htr script mappings should be removed if not required. - open Internet Services Manager - right click on the web server and select properties - select WWW service > Edit > Home Directory > Configuration - remove the application mappings reference to .htr If .htr functionality is required, install the relevant patches from Microsoft (MS01-004)