DOCUMENT:Q271456 08-MAY-2002 [iis] TITLE :IIS 4.0 Causes Heap Corruption in CGI Application PRODUCT :Internet Information Server PROD/VER::4.0 OPER/SYS: KEYWORDS:kbWinNT400PreSP7Fix kbWin2000SP2Fix ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Internet Information Server version 4.0 ------------------------------------------------------------------------------- SYMPTOMS ======== When you execute a CGI application in Microsoft Internet Information Server (IIS) 4.0, the HTTP data returned by the CGI application may get corrupted. An Access Violation error message may occur in the WWW Service or in the W3Svc.dll. This can occur when the CGI application adds additional HTTP headers to return to the client. RESOLUTION ========== To resolve this problem, obtain the latest service pack for Windows NT 4.0. For additional information, please see the following article in the Microsoft Knowledge Base: Q152734 How to Obtain the Latest Windows NT 4.0 Service Pack The English version of this fix should have the following file attributes or later: Date Time Version Size File name ------------------------------------------------ 10/04/2000 12:03a 4.02.0752 214,544 Adsiis.dll 10/04/2000 12:03a 4.02.0752 330,080 Asp.dll 10/04/2000 12:02a 4.02.0752 55,904 Httpodbc.dll 10/04/2000 12:03a 4.02.0752 98,912 Iischema.dll 10/04/2000 11:13p 4.02.0752 28,851 Iiscnfg.h 10/04/2000 12:01a 4.02.0752 185,792 Infocomm.dll 10/04/2000 12:02a 4.02.0752 38,256 Ssinc.dll 10/04/2000 12:02a 4.02.0752 25,360 Sspifilt.dll STATUS ====== Microsoft has confirmed this to be a problem in Internet Information Server 4.0. Additional query words: IIS hotfix hot fix qfe quick engineering patch ====================================================================== Keywords : kbWinNT400PreSP7Fix kbWin2000SP2Fix Technology : kbiisSearch kbiis400 Version : :4.0 Hardware : ALPHA x86 Issue type : kbbug Solution Type : kbfix ============================================================================= THE INFORMATION PROVIDED IN THE MICROSOFT KNOWLEDGE BASE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. MICROSOFT DISCLAIMS ALL WARRANTIES, EITHER EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL MICROSOFT CORPORATION OR ITS SUPPLIERS BE LIABLE FOR ANY DAMAGES WHATSOEVER INCLUDING DIRECT, INDIRECT, INCIDENTAL, CONSEQUENTIAL, LOSS OF BUSINESS PROFITS OR SPECIAL DAMAGES, EVEN IF MICROSOFT CORPORATION OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES SO THE FOREGOING LIMITATION MAY NOT APPLY. Copyright Microsoft Corporation 2002.