MS00-079: Patch for "HyperTerminal Buffer Overflow" Vulnerability In Windows 2000 (276471)



The information in this article applies to:

  • Microsoft Windows 2000 Server SP1
  • Microsoft Windows 2000 Server SP2
  • Microsoft Windows 2000 Advanced Server SP1
  • Microsoft Windows 2000 Advanced Server SP2
  • Microsoft Windows 2000 Professional SP1
  • Microsoft Windows 2000 Professional SP2

This article was previously published under Q276471

For additional information about a similar problem that may occur in Microsoft Windows NT 4.0, click the following article number to view the article in the Microsoft Knowledge Base:

304158 Patch for "HyperTerminal Buffer Overflow" Vulnerability In Windows NT 4.0

SYMPTOMS

Microsoft has released a patch to address a potential security vulnerability in the HyperTerminal program that is included with Windows 2000. A buffer-overflow vulnerability could allow arbitrary code to be run on a user's computer under special circumstances. For additional information about this vulnerability, see the following Microsoft Web site: For a list of frequently asked questions about this vulnerability, see the following Microsoft Web site:

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack

The following file is available for download from the Microsoft Download Center:
For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to Obtain Microsoft Support Files from Online Services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help to prevent any unauthorized changes to the file. The English-language version of this fix should have the following file attributes or later:
   Date        Time    Version        Size     File name
   --------------------------------------------------------
   04/17/2001  11:53a  5.0.2195.3511   21,776  Hticons.dll
   04/17/2001  11:53a  5.0.2195.3511   11,536  Htrn_jis.dll
   04/17/2001  11:53a  5.0.2195.3511  575,248  Hypertrm.dll
   04/17/2001  11:49a  5.0.2195.3511    6,416  Hypertrm.exe
				

STATUS

Microsoft has confirmed that this problem may cause a degree of security vulnerability in Microsoft Windows 2000. This problem was first corrected in Windows 2000 Service Pack 3.

MORE INFORMATION

For additional information about this issue in Microsoft Windows 98, Microsoft Windows 98 Second Edition, or Microsoft Windows Millennium Edition, click the article number below to view the article in the Microsoft Knowledge Base:

274548 Patch for 'HyperTerminal Buffer Overflow' Vulnerability in Windows 98, Windows Me


Modification Type:MinorLast Reviewed:9/26/2005
Keywords:kbHotfixServer kbQFE kbbug kbfix kbgraphxlinkcritical KbSECHack kbSecurity KbSECVulnerability kbWin2000PreSP3Fix kbWin2000sp3fix KB276471