Article ID: 260069 - Last Review: November 21, 2006 - Revision: 5.4 Malformed HTR Request Returns Source Code for ASP Scripting FilesThis article was previously published under Q260069 On This PageSYMPTOMS
A malformed HTR request may cause the source code of the Active Server Pages (ASP) script file to be returned.
CAUSE
The problem occurs because the CreateFile function that is used to open requested files deletes all of the trailing spaces in a file name. The file-name truncation in the CreateFile function causes the two names "C:\Ineptub\Wwroot\Default.asp" and "C:\Ineptub\Wwroot\Default.asp<followed by several blank spaces>" to be the same, which causes the source code of the Default.asp file to be opened and be returned.
RESOLUTIONTo resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the
Microsoft Knowledge Base:
260910
(http://support.microsoft.com/kb/260910/EN-US/
)
How to Obtain the Latest Windows 2000 Service Pack
Windows 2000:The following file is available for download from the Microsoft Download Center: Collapse this image  119591
(http://support.microsoft.com/kb/119591/EN-US/
)
How to Obtain Microsoft Support Files from Online Services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on secure servers that prevent any unauthorized changes to the file.For additional information about what this package fixes, click the article numbers below to view the articles in the Microsoft Knowledge Base: 267560
(http://support.microsoft.com/kb/267560/EN-US/
)
Changing the URL in a Specific Manner May Expose Contents of a File
267559
(http://support.microsoft.com/kb/267559/EN-US/
)
GET on .Htr File Can Cause a "Denial of Service" or Enable Directory Browsing
260838
(http://support.microsoft.com/kb/260838/EN-US/
)
IIS Stops Servicing .htr Requests
The English version of this fix should have the following file attributes or later:Date Time Version Size File name ----------------------------------------------------- 07/07/2000 03:17p 5.00.2195.2100 46,352 Ism.dll Windows NT 4.0 A supported fix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Apply it only to computers that are experiencing this specific problem. To resolve this problem, contact Microsoft Product Support Services to obtain the fix. For a complete list of Microsoft Product Support Services phone numbers and information about support costs, visit the following Microsoft Web site: http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS
(http://support.microsoft.com/default.aspx?scid=fh;en-us;cntactms)
NOTE: In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.The following files are available for download from the Microsoft Download Center:
x86: Collapse this image
x86 Symbols: Collapse this image
Alpha: Collapse this image
Alpha Symbols:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
Collapse this image 119591
(http://support.microsoft.com/kb/119591/EN-US/
)
How to Obtain Microsoft Support Files from Online Services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file.
For additional information about what this package fixes, click the article numbers below
to view the articles in the Microsoft Knowledge Base:
267560
(http://support.microsoft.com/kb/267560/EN-US/
)
Changing the URL in a Specific Manner May Expose Contents of a File
267559
(http://support.microsoft.com/kb/267559/EN-US/
)
GET on .Htr File Can Cause a "Denial of Service" or Enable Directory Browsing
260838
(http://support.microsoft.com/kb/260838/EN-US/
)
IIS Stops Servicing .htr Requests
The English version of this fix should have the following file attributes or later:Date Time Version Size File name Platform ---------------------------------------------------------- 06/28/2000 09:34p 4.2.748.1 54,544 Ism.dll x86 06/28/2000 09:30p 4.02.0748 84,752 Ism.dll Alpha STATUS This problem was first corrected in Windows 2000 Service Pack 2. Internet Information Services 5.0Microsoft has confirmed that this is a problem in Internet Information Services 5.0.Internet Information Server 4.0Microsoft has confirmed that this is a problem in Internet Information Server 4.0.MORE INFORMATION
For related information about this problem, please visit the following Microsoft Web site:
http://www.microsoft.com/technet/security/bulletin/ms00-031.mspx
(http://www.microsoft.com/technet/security/bulletin/ms00-031.mspx)
For additional security-related information about Microsoft products, please visit the following Microsoft Web site:
http://www.microsoft.com/security/
(http://www.microsoft.com/security/)
For additional information about other issues that are resolved by this update, click the article number below
to view the article in the Microsoft Knowledge Base:
260838
(http://support.microsoft.com/kb/260838/EN-US/
)
IIS Stops Servicing .htr Requests
For additional information about how to install Windows 2000 and Windows 2000 hotfixes at the same time, click the article number below
to view the article in the Microsoft Knowledge Base:
249149
(http://support.microsoft.com/kb/249149/EN-US/
)
Installing Microsoft Windows 2000 and Windows 2000 Hotfixes
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