Q241407: Files on an FTP Server Can Be Improperly Accessed
Article: Q241407
Product(s): Internet Information Server
Version(s): winnt:4.0
Operating System(s):
Keyword(s): kbWinNT400PreSP7Fix
Last Modified: 16-MAY-2002
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The information in this article applies to:
- Microsoft Internet Information Server version 4.0
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SYMPTOMS
========
After you apply the hotfix referenced in the following Microsoft Knowledge Base
article, there is a possibility that files located on a Microsoft FTP server can
be viewed and downloaded regardless of NTFS file or folder permissions.
Q237987 FTP GET Does Not Work Correctly on UNC Virtual Directories
RESOLUTION
==========
If the aforementioned hotfix is applied to your IIS 4.0-based computer or if you
have applied a hotfix with the version number of 0719 through 0722, it is
recommended that you update your system with the security patch mentioned below.
A supported fix is now available from Microsoft, but it is only intended to
correct the problem described in this article and should be applied only to
systems 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 on support costs, please go to the following address on the World
Wide Web:
http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS
NOTE: In special cases, charges that are normally incurred for support calls may
be canceled, if a Microsoft Support Professional determines that a specific
update will resolve your problem. Normal support costs will apply to additional
support questions and issues that do not qualify for the specific update in
question.
The English version of this fix should have the following file attributes or
later:
Date Time Size File name Platform
-----------------------------------------------------
09/16/99 12:40PM 322 KB Asp.dll x86
09/16/99 12:38PM 43 KB Coadmin.dll x86
09/16/99 12:39PM 11 KB Ftpctrs2.dll x86
09/16/99 12:39PM 80 KB Ftpsvc2.dll x86
09/16/99 11:49PM 12 KB Httpext.h x86
09/16/99 12:38PM 18 KB Iisadmin.dll x86
09/16/99 12:38PM 62 KB Iislog.dll x86
09/16/99 12:38PM 17 KB Infoadmn.dll x86
09/16/99 12:38PM 181 KB Infocomm.dll x86
09/16/99 12:38PM 29 KB Iscomlog.dll x86
09/16/99 12:39PM 11 KB Iwrps.dll x86
09/16/99 12:37PM 70 KB Metadata.dll x86
09/16/99 12:38PM 51 KB Nsepm.dll x86
09/16/99 12:39PM 15 KB W3ctrs.dll x86
09/16/99 12:39PM 224 KB W3svc.dll x86
09/16/99 12:38PM 86 KB Wam.dll x86
09/16/99 03:40PM 537 KB Asp.dll Alpha
09/16/99 03:38PM 76 KB Coadmin.dll Alpha
09/16/99 03:39PM 17 KB Ftpctrs2.dll Alpha
09/16/99 03:40PM 124 KB Ftpsvc2.dll Alpha
09/16/99 03:40PM 28 KB Iisadmin.dll Alpha
09/16/99 03:40PM 110 KB Iislog.dll Alpha
09/16/99 03:40PM 26 KB Infoadmn.dll Alpha
09/16/99 03:40PM 181 KB Infocomm.dll Alpha
09/16/99 03:40PM 297 KB Iscomlog.dll Alpha
09/16/99 03:40PM 17 KB Iwrps.dll Alpha
09/16/99 03:40PM 129 KB Metadata.dll Alpha
09/16/99 03:40PM 51 KB Nsepm.dll Alpha
09/16/99 03:40PM 21 KB W3ctrs.dll Alpha
09/16/99 03:40PM 377 KB W3svc.dll Alpha
09/16/99 03:40PM 146 KB Wam.dll Alpha
This hotfix has been posted to the following Internet location as Iprftp4i.exe
(x86) and Iprftp4a.exe (Alpha):
ftp://ftp.microsoft.com/bussys/iis/iis-public/fixes/usa/IIS40/hotfixes-postSP6/security/IPRFTP-fix/
STATUS
======
Microsoft has confirmed this to be a problem in Internet Information Server 4.0.
MORE INFORMATION
================
To view the IIS build number installed on the affected computer, perform the
following steps:
1. Open Windows NT Explorer.
2. Open the folder where Ftpsvc2.dll is located,
<SystemRoot&>\System32\Inetsrv.
3. Right-click Ftpsvc2.dll.
4. Locate the last four digits of the file version. That number is the build
number.
NOTE: The hotfix file version should be 4.02.0724 or higher.
For additional information about how to fix this problem in Internet Information
Server version 4.0, click the article number below to view the article in the
Microsoft Knowledge Base:
Q242559 Files on an FTP Server Can Be Improperly Accessed
For related information on this problem, please visit the following Microsoft Web
site:
http://www.microsoft.com/security/bulletins/ms99-039.asp
For additional security-related information about Microsoft products, please
visit the following Microsoft Web site:
http://www.microsoft.com/security/
Additional query words:
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Keywords : kbWinNT400PreSP7Fix
Technology : kbiisSearch kbiis400
Version : winnt:4.0
Hardware : ALPHA x86
Issue type : kbbug
Solution Type : kbfix
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