Users Can Open Web Pages Without the Correct NTFS Permissions (327523)



The information in this article applies to:

  • Microsoft .NET Framework

This article was previously published under Q327523

SYMPTOMS

A user may be permitted access to open an .aspx page that the user should not have NTFS file system permissions to read if the following conditions are true:
  • Impersonation is enabled in the Web.config file.
  • The impersonated user does not have access to list folder contents on the folder where the .aspx page resides.

RESOLUTION

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft .NET Framework service pack that contains this hotfix.

To resolve this problem immediately, 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: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 typical 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 has the file attributes (or later) that are listed in the following table. The dates and times for these files are listed in coordinated universal time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time  Version        Size      File Name
   ------------------------------------------------------------
   10-Aug-2002  01:09 1.0.3705.302   192,512   Aspnet_isapi.dll
   10-Aug-2002  01:04 1.0.3705.302    19,332   Aspnet_perf.ini
   10-Aug-2002  01:09 1.0.3705.302    24,576   Aspnet_regiis.exe
   10-Aug-2002  01:09 1.0.3705.302    28,672   Aspnet_wp.exe
   17-Jul-2002  22:49 1.0.3705.302     8,755   SmartNav.js
   20-Mar-2002  21:31 1.0.3705.302     7,003   SmartNavIE5.js
   10-Aug-2002  10:51 1.0.3705.302 1,187,840   System.Web.dll
				

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

Modification Type:MinorLast Reviewed:10/11/2005
Keywords:kbHotfixServer kbQFE kbbug kbfix kbNetFrame100preSP3fix kbQFE KB327523