Form Data Corrupted When Using Web Posting Acceptor

ID: Q232110

The information in this article applies to:

Microsoft Site Server version 3.0

SYMPTOMS

When you send more than 256 characters in a form field to the Posting Acceptor along with a file of any size, the data that is retrieved from the form values and posted using WinInet, and the "repost" appears to be corrupted.

CAUSE

A hard-coded buffer is being overrun.

RESOLUTION

A supported fix that corrects this problem is now available from Microsoft, but it has not been fully regression tested and should be applied only to systems experiencing this specific problem. If you are not severely affected by this specific problem, Microsoft recommends that you wait for the next Site Server service pack 3 that contains this fix.

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 on support costs, please go to the following address on the World Wide Web:

http://www.microsoft.com/support/supportnet/overview/overview.asp

The English version of this fix should have the following file attributes or later:


   Date      Time                 Size    File name     Platform
   -------------------------------------------------------------
   05/05/99  10:52p               149,264 Cpshost.dll   (Alpha)
   07/02/98  03:27p                   913 Eula.txt      (Alpha)
   01/27/99  02:56p                80,144 Update.exe    (Alpha)
   05/10/99  01:08p                 1,757 Update.inf    (Alpha)

   05/05/99  10:52p                87,440 Cpshost.dll   (i386)
   07/02/98  03:27p                   913 Eula.txt      (i386)
   01/27/99  02:02p                62,544 Update.exe    (i386) 
   05/10/99  01:08p                 1,757 Update.inf    (i386)

NOTE: If this product was already installed on your computer when you purchased it from the Original Equipment Manufacturer (OEM) and you need this fix, please call the Pay Per Incident number listed on the above Web site. If you contact Microsoft to obtain this fix, and if it is determined that you only require the fix you requested, no fee will be charged. However, if you request additional technical support, and if your no-charge technical support period has expired, or if you are not eligible for standard no-charge technical support, you may be charged a non-refundable fee.

For more information about eligibility for no-charge technical support, see the following article in the Microsoft Knowledge Base:

Q154871 Determining If You Are Eligible for No-Charge Technical Support

STATUS

Microsoft has confirmed this to be a problem in Site Server 3.0.

MORE INFORMATION

A buffer is now dynamically allocated based on the length of the string entered in the form field.

Additional query words:


Keywords          : 
Version           : winnt:3.0
Platform          : winnt 
Issue type        : kbbug

Last Reviewed: July 2, 1999