DOCUMENT:Q250625 15-MAY-2002 [winnt] TITLE :MS00-024: Default Registry Key Permissions May Allow Privilege E PRODUCT :Microsoft Windows NT PROD/VER::4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4,4.0 SP5,4.0 SP6,4.0 SP6a,4.5 OPER/SYS: KEYWORDS:kbSecurity kbWinNT400PreSP7Fix kbgraphxlinkcritical KbSECBulletin ====================================================================== ------------------------------------------------------------------------------- The information in this article applies to: - Microsoft Windows NT Workstation versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6a - Microsoft Windows NT Server versions 4.0, 4.0 SP1, 4.0 SP2, 4.0 SP3, 4.0 SP4, 4.0 SP5, 4.0 SP6a - Microsoft Windows NT Server, Enterprise Edition versions 4.0, 4.0 SP4, 4.0 SP5, 4.0 SP6a - Microsoft BackOffice Small Business Server versions 4.0, 4.5 - Microsoft BackOffice Server versions 4.0, 4.5 - Microsoft Windows NT Server versions 4.0, 4.0 SP4, 4.0 SP5, 4.0 SP6, Terminal Server Edition ------------------------------------------------------------------------------- SYMPTOMS ======== It may be possible for a malicious user to gain additional privileges on your Windows NT-based computer if the user can interactively log on to the computer. The unauthorized privileges include the ability to take the following actions: - Cause code to run in a local system context. - Cause code to run the next time another user logs on to the same computer. - Disable the security protection for a previously reported vulnerability. RESOLUTION ========== Windows NT 4.0 -------------- To resolve this problem, obtain the individual package referenced below or obtain the Windows NT 4.0 Security Rollup Package. For additional information on the SRP, click the article number below to view the article in the Microsoft Knowledge Base: Q299444 Post-Windows NT 4.0 Service Pack 6a Security Rollup Package (SRP) The following files are available for download from the Microsoft Download Center: x86: DownloadDownload Q259496i.exe now (http://www.microsoft.com/Downloads/Release.asp?ReleaseID=20330) Alpha: DownloadDownload Q259496a.exe now (http://www.microsoft.com/Downloads/Release.asp?ReleaseID=20331) For additional information about how to download Microsoft Support files, click the article number below to view the article in the Microsoft Knowledge Base: Q119591 How to Obtain Microsoft Support Files from Online Services Microsoft used the most current virus detection software available on the date of posting to scan this file for viruses. After it is posted, the file is housed on secure servers that prevent any unauthorized changes to the file. The English version of this fix should have the following file attributes or later: Date Time Size File name Platform ------------------------------------------------ 04/11/00 08:19p 41,744 Regacl40.exe Intel 04/12/00 03:43p 95,504 Regacl40.exe Alpha Microsoft Windows NT Server version 4.0, Terminal Server Edition ---------------------------------------------------------------- To resolve this problem, obtain the Windows NT Server 4.0, Terminal Server Edition, Security Rollup Package (SRP). For additional information about the SRP, click the article number below to view the article in the Microsoft Knowledge Base: Q317636 Windows NT Server 4.0, Terminal Server Edition, Security Rollup Package STATUS ====== Microsoft has confirmed that this problem could result in some degree of security vulnerability in Windows NT 4.0. MORE INFORMATION ================ For related information about this problem, please visit the following Microsoft Web sites: http://www.microsoft.com/technet/security/bulletin/ms00-008.asp http://www.microsoft.com/technet/security/bulletin/ms00-024.asp For additional security-related information about Microsoft products, please visit the following Microsoft Web site: http://www.microsoft.com/security/ Additional query words: ACL security_patch ====================================================================== Keywords : kbSecurity kbWinNT400PreSP7Fix kbgraphxlinkcritical KbSECBulletin Technology : kbWinNTsearch kbWinNTWsearch kbWinNTW400search kbWinNTW400sp5 kbWinNTW400sp3 kbWinNTW400sp1 kbWinNTSsearch kbWinNTSEnt400sp4 kbWinNTS400sp6 kbWinNTS400sp4 kbWinNTS400sp2 kbWinNTS400search kbNTTermServ400sp4 kbNTTermServ400sp6 kbAudDeveloper kbSBServSearch kbWinNTSEnt400SP6a kbWinNTW400SP6a kbBackOfficeServ400 kbBackOfficeServ450 kbSBServ400 kbSBServ450 kbWinNTW400 kbWinNT400search kbWinNTW400sp4 kbWinNTW400sp2 kbWinNTSEntSearch kbWinNTSEnt400sp5 kbWinNTSEnt400 kbWinNTS400sp5 kbWinNTS400sp3 kbWinNTS400sp1 kbWinNTS400 kbNTTermServ400 kbNTTermServ400sp5 kbNTTermServSearch kbBackOfficeSearch Version : :4.0,4.0 SP1,4.0 SP2,4.0 SP3,4.0 SP4,4.0 SP5,4.0 SP6,4.0 SP6a,4.5 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.