Article ID: 304158 - View products that this article applies to.
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For additional information about a similar problem that may occur in Microsoft Windows 2000, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/276471/EN-US/ )Patch for "HyperTerminal Buffer Overflow" Vulnerability In Windows 2000
Microsoft has released a patch to address a potential security vulnerability in the HyperTerminal program that is included with Windows NT 4.0. A buffer-overflow vulnerability could allow arbitrary code to be run on a user's computer under special circumstances.
A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that this article describes. Apply it only to systems that you determine are at risk of attack. Evaluate the computer's physical accessibility, network and Internet connectivity, and other factors to determine the degree of risk to the computer. See the associated Microsoft Security Bulletin
(http://www.microsoft.com/technet/security/bulletin/MS00-079.mspx)to help determine the degree of risk. This hotfix may receive additional testing. If the computer is sufficiently at risk, we recommend that you apply this hotfix now.
To resolve this problem immediately, download the hotfix by following the instructions later in this article or contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote 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 usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question. The following file is available for download from the Microsoft Download Center:
Release Date: August 29, 2001
Download Q304158i.exe now
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For additional information about how to download Microsoft Support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591Microsoft 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 version of this fix should have the following file attributes or later:
(http://support.microsoft.com/kb/119591/EN-US/ )How to Obtain Microsoft Support Files from Online Services
NOTE: Because of file dependencies, this hotfix requires Microsoft Windows NT 4.0 Service Pack 6a.
Date Time Version Size File name --------------------------------------------------------- 26-Jul-2001 18:05 4.0.1381.7097 22,288 Hticons.dll 26-Jul-2001 18:05 22.214.171.124 8,976 Htrn_jis.dll 26-Jul-2001 18:05 4.0.1381.7097 386,320 Hypertrm.dll 26-Jul-2001 18:06 4.0.1381.7097 6,928 Hypertrm.exe
Microsoft has confirmed that this problem may cause a degree of security vulnerability in Windows NT 4.0.
For additional information about this vulnerability, see the following Microsoft Web site:
Article ID: 304158 - Last Review: October 24, 2013 - Revision: 5.1