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Article ID: 325329 - Last Review: October 11, 2005 - Revision: 2.4
FIX: Response.Redirect Method Permits Newlines to Be Embedded in the URL That Is Passed to It
This article was previously published under Q325329
The
Response.Redirect method permits newlines as part of the URL to which the method redirects.
This behavior can permit users to inject additional headers (such as cookies) if you base your redirects on user input, as in the following example:
Response.Redirect(Request.QueryString["URL"]);
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 .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
------------------------------------------------------------------
08-Jul-2002 23:46 1.0.3705.294 192,512 Aspnet_isapi.dll
08-Jul-2002 23:39 1.0.3705.294 19,332 Aspnet_perf.ini
08-Jul-2002 23:46 1.0.3705.294 24,576 Aspnet_regiis.exe
08-Jul-2002 23:46 1.0.3705.294 28,672 Aspnet_wp.exe
09-Jul-2002 12:00 1.0.3705.294 1,187,840 System.Web.dll
20-Mar-2002 21:31 8,709 SmartNav.js
20-Mar-2002 21:31 7,003 SmartNavIE5.js
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.
After you apply the hotfix, a
System.ArgumentException is thrown if a newline character is detected in the redirect URL.
| kbhotfixserver kbqfe kbbug kbfix kbnetframe100presp3fix kbqfe KB325329 |
Retired KB Content DisclaimerThis article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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