271 : Microsoft IIS WebHits null.htw .asp Source Disclosure
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Info

Last Modified
11 months ago

Percent Complete
65%

Disclosure
Mar 21, 2000

Discovery
Unknown

Dates

Exploit
Mar 21, 2000

Solution
Unknown

Description

 Microsoft IIS contains a flaw that allows a remote attacker to view the source of .asp files. The issue is due to IIS mapping all .htw files to be handled by Webhits.dll. By appending a space (%20) to the end of a filename or calling CiWebHitsFile as a variable, setting the "CiHiliteType" variable to "Full", and setting the "CiRestriction" variable to "None", the server will return the source of an .asp file.

Classification

Unknown or Incomplete

Solution

 Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products
Microsoft Corporation
Watch-list
IIS
Watch-list
 4.0
5.0
Index Server
Watch-list
 2.0

References

Tools & Filters

Nikto

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Nessus

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Snort

 978

Manual Testing Notes

Credit

Unknown or Incomplete

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