Title: MS Index Server '%20' ASP Source Disclosure Vulnerability
Severity: MODERATE
Description:
Index Server can be used to cause IIS to display the source of .asp and possibly other server-side processed files.
By appending a space (%20) to the end of the filename specified in the 'CiWebHitsFile' variable, and setting 'CiHiliteType' to 'Full' and 'CiRestriction' to 'None', it is possible to retrieve the unprocessed source of the file.
This is possible on any machine with Index Server installed, even those with no normal .htw files, because the virtual file null.htw is stored in memory and the .htw extension is mapped by default to webhits.dll .
Affected Products:
- Microsoft IIS 4.0.0
- Microsoft Index Server 2.0.0
References:
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