Please download files in this item to interact with them on your computer. Show all files. Uploaded by shermanzuki on May 30, Internet Archive's 25th Anniversary Logo. Search icon An illustration of a magnifying glass. User icon An illustration of a person's head and chest. This revised update corrects an installation issue that some customers experienced with the original update. This issue is unrelated to the security vulnerability discussed in this bulletin. However, this issue has caused some customers difficulty installing the update.
If you have previously applied this security update, this update does need to be installed to avoid potential issues when installing future security updates. This issue only affects the Pan Chinese language version of the update and only those versions of the update are being re-released. Microsoft Phone Dialer is the only H. Third-party applications could enable and use the H. NetMeeting delivers a complete Internet and enterprise conferencing solution for all users of Windows, with multipoint data conferencing, text chat, whiteboard, and file transfer, and point-to-point audio and video.
NetMeeting implements the H. Am I vulnerable? If I have never installed the stand-alone version of NetMeeting, am I vulnerable?
This update addresses the versions of NetMeeting that were included with these operating systems. NetMeeting is also available as a stand-alone download for other operating systems and as part of other applications, which could also be vulnerable to this issue. If you have installed the stand-alone version of NetMeeting, install an updated version that addresses this vulnerability. To download the updated version, visit the following Web site. The updated version that addresses this vulnerability is Version 3.
Although these operating systems may contain NetMeeting, the vulnerability is not critical on these operating systems. As a method of addressing this vulnerability, you can download and install the stand-alone version of NetMeeting for these operating systems from the following Web site.
It is designed for systems that are directly connected to a public network or systems that are part of a home network when used with Internet Connection Sharing. No, not automatically. NetMeeting opens ports in ICF that could expose this vulnerability. Manually opening TCP ports and could also expose this vulnerability. Third-party applications may also cause ICF to open ports in response to H.
By using Internet Connection Sharing users can connect one system to the Internet and share Internet service with several other systems on a home or small office network. The Network Setup Wizard in Windows XP automatically provides all the network settings that are necessary to share one Internet connection with all the systems in a network. Each system can use programs such as Internet Explorer and Outlook Express as if the system were directly connected to the Internet.
Internet Connection Sharing is a feature of Windows , Windows XP, and Windows Server but is not enabled by default on any of the affected systems.
Yes, Internet Connection Sharing enables the ports that could allow a system to become vulnerable to this issue. If ICF and Internet Connection Sharing are running, this attack could not occur unless the user was also using NetMeeting, or had manually opened port or port The Microsoft Routing and Remote Access service makes it possible for a system that is running Windows Server or the Windows Server to function as a network router.
However, an administrator can disable the H. Detailed steps are outlined in Microsoft Knowledge Base Article However, an administrator could enable the H. Any anonymous user who could deliver a specially crafted H. An attacker could attempt to exploit the vulnerability by locating users running NetMeeting, an H.
An attacker could also attempt to exploit the vulnerability through Internet Connection Sharing by remotely executing code on systems that have Internet Connection Sharing enabled. The update modifies the way that the affected systems process the specially crafted H. This vulnerability could allow a logged on user to take complete control of the system. This is a privilege evaluation vulnerability. To exploit the vulnerability, an attacker must be able to log on locally to the system and run a program.
The operating system component that handles the VDM subsystem could be used to gain access to protected kernel memory. In certain circumstances, some privileged operating system functions might not validate system structures and could allow an attacker to execute malicious code with system privileges. To exploit the vulnerability, an attacker must be able to log on locally to a system and run a program. An attacker could then run a specially-designed application that could exploit the vulnerability, and thereby gain complete control over the affected system.
An attacker cannot load and run a program remotely by using this vulnerability. This update modifies the way that Windows validates data when referencing memory locations that are allocated to a VDM. A buffer overrun vulnerability exists in the Negotiate Security Software Provider SSP interface that could allow remote code execution.
This vulnerability exists because of the way the Negotiate SSP interface validates a value that is used during authentication protocol selection. Administrators can help reduce the risk of attack through Internet Information Services by disabling Integrated Windows Authentication. Information about how to enable or disable this option is available at the following Web site.
To disable Negotiate and therefore prevent Kerberos authentication , use the following command. Impact of Workaround: Any IIS-based applications that require Kerberos authentication will no longer function correctly. However, it is most likely a denial of service vulnerability. Because Windows supports many different types of authentication, the authentication method used when a client connects to a server must be negotiated.
For more information about Windows authentication methods, visit the following Web site. For more information about the methods of authentication supported by IIS, visit the following Web site. Although it is most likely that only a denial of service would result, an attacker who successfully exploited this vulnerability could take complete control of an affected system, including installing programs; viewing, changing, or deleting data; or creating new accounts that have full privileges.
If an attacker caused the affected system to become unresponsive, an administrator could restore normal functionality by restarting the affected system. However, the system could remain susceptible to a new denial of service attack until the update was applied.
Any anonymous user who could deliver a specially crafted message to an affected system could attempt to exploit this vulnerability. Because this feature is enabled by default on all affected systems, any user who could establish a connection with an affected system could attempt to exploit this vulnerability.
An attacker could exploit this vulnerability by creating a specially crafted network message and sending the message to the affected system.
All affected systems could be vulnerable to this issue by default. Furthermore, by default, systems that are running Internet Information Services 5. The update removes the vulnerability by modifying the way that the Negotiate SSP Interface validates the length of a message before passing the message to the allocated buffer.
On Windows Server , the vulnerability could cause the affected system to automatically restart. Port is used to receive SSL traffic. Other ports may be found that could be used to exploit this vulnerability. However, the ports listed here are the most common attack vectors. The vulnerability in Windows Server could cause the affected system to automatically restart.
Note that the denial of service vulnerability would not allow attackers to execute code or elevate their privileges, but it could cause the affected system to stop accepting requests. The Microsoft Secure Sockets Layer library contains support for a number of secure communication protocols. SSL can help protect information when users connect across public networks such as the Internet.
In Windows and Windows XP, an attacker who successfully exploited this vulnerability could cause an affected system to stop accepting SSL connections. In Windows Server , an attacker could cause the affected system to automatically restart. During that time, the affected system would not be able to respond to authentication requests.
After restart, the affected system would be restored to typical functionality. However, it would still be susceptible to a new denial of service attack unless the update is applied. If an attacker exploits this vulnerability, a system error event may be recorded. Any anonymous user who could deliver a specially crafted SSL message to an affected system could attempt to exploit this vulnerability.
An attacker could exploit this vulnerability by creating a program that could communicate with a vulnerable server through an SSL-enabled service to send a specific kind of specially crafted TCP message.
Receipt of such a message could cause the vulnerable system to fail in such a way that it could cause a denial of service. All systems that have SSL enabled are vulnerable. This includes but is not limited to Internet Information Services 4. Windows domain controllers that are installed in an Active Directory domain that also has an Enterprise Root certification authority installed are affected by this vulnerability because they automatically listen for secure SSL connections.
The update removes the vulnerability by modifying the handling of specially crafted SSL messages. A remote code execution vulnerability exists in the Microsoft ASN. The vulnerability is caused by a possible "double-free" condition in the Microsoft ASN. However, under the most likely attack scenario this issue is a denial of service vulnerability.
While potentially a remote code execution vulnerability, this is most likely a denial of service vulnerability. However, an attacker who successfully exploited this vulnerability to allow code execution could gain complete control over an affected system, including installing programs; viewing, changing, or deleting data; or creating new accounts that have full privileges. A potential "double-free" condition exists that could lead to memory corruption in the Microsoft ASN.
Releasing memory that has already been freed could lead to memory corruption. An attacker could add arbitrary code to memory that is then executed when the corruption occurs. This code could then be executed at a system level of privilege. Typically, this vulnerability will cause a denial of service to occur. However, on a limited basis, code execution could occur.
Because of the unique layout of the memory on each affected system, exploiting this vulnerability on a mass scale could potentially be difficult. It is used by many applications and devices in the technology industry to allow data exchange across various platforms. For more information about ASN. An attacker who successfully exploited this vulnerability to allow code execution could take complete control of an affected system, including installing programs; viewing, changing, or deleting data; or creating new accounts that have full privileges.
In the most likely scenario, an attacker could cause a denial of service condition. An administrator could restart the affected system to restore typical functionality. Because ASN. To successfully exploit this vulnerability, an attacker must force a system to decode specially crafted ASN.
For example, by using authentication protocols that are based on ASN. Server systems are at greater risk than client systems because they are more likely to have a server process running that decodes ASN. Although Windows Millennium Edition does contain the affected component, the vulnerability is not critical.
For more information on severity ratings, visit the following Web site. The update removes the vulnerability by modifying the handling of specially crafted data by the ASN. Both vulnerabilities were in the ASN. However, this update corrects a newly reported vulnerability that was not addressed as part of MS MS fully protects against the vulnerabilities discussed in that bulletin, but this update includes all the updates provided in MS and replaces it.
If you install this update, you do not need to install MS For information about the specific security update for your platform, click the appropriate link:. Prerequisites This security update requires a released version of Windows Server Note You can combine these switches into one command. For backward compatibility, the security update also supports the setup switches that are used by the previous version of the Setup utility. For more information about the supported installation switches, view Microsoft Knowledge Base Article To install the security update without any user intervention, use the following command at a command prompt for Windows Server To install the security update without forcing the system to restart, use the following command at a command prompt for Windows Server System administrators can also use the Spuninst.
The Spuninst. The English version of this update has the file attributes or later that are listed in the following table. The dates and times for these files are listed in coordinated universal time UTC. When you view the file information, it is converted to local time. Note When you install this security update on Windows Server or on Windows XP Bit Edition Version , the installer checks to see if any of the files that are being updated on your system have previously been updated by a Microsoft hotfix.
If you have previously installed a hotfix to update one of these files, the installer copies the RTMQFE files to your system. To verify that a security update is installed on an affected system you may be able to use the Microsoft Baseline Security Analyzer MBSA tool, which allows administrators to scan local and remote systems for missing security updates and for common security misconfigurations.
You may also be able to verify the files that this security update has installed by reviewing the following registry key:. Note This registry key may not be created correctly if an administrator or an OEM integrates or slipstreams the security update into the Windows installation source files. To install the security update without any user intervention, use the following command at a command prompt for Windows XP:. To install the security update without forcing the system to restart, use the following command at a command prompt for Windows XP:.
For additional information about dual-mode packages, see Microsoft Knowledge Base Article When you install the Windows XP Bit Edition Version security update, the installer checks to see if any of the files that are being updated on your system previously been updated by a Microsoft hotfix.
You may also be able to verify the files that this security update has installed by reviewing the following registry keys:. To determine the support lifecycle for your product and version, visit the Microsoft Support Lifecycle Web site. For more information about how to obtain the latest service pack, see Microsoft Knowledge Base Article To install the security update without any user intervention, use the following command at a command prompt for Windows Service Pack 2, Windows Service Pack 3, and Windows Service Pack To install the security update without forcing the system to restart, use the following command at a command prompt for Windows Service Pack 2, Windows Service Pack 3, and Windows Service Pack Note Date and time information could change during installation.
Version, size, and file name information should be used to determine the correctness of files. For more information on obtaining the latest service pack, see Microsoft Knowledge Base Article For more information about the supported installation switches, see Microsoft Knowledge Base Article To install the security update without any user intervention, use the following command at a command prompt for Windows NT 4. To install the security update without forcing the system to restart, use the following command at a command prompt for Windows NT Server 4.
For more information about how to deploy this security update with Software Update Services, visit the Software Update Services Web site. System administrators can use the Hotfix. The Hotfix. Microsoft thanks the following for working with us to help protect customers:. Systems Management Server can provide assistance deploying this security update. For users of SMS 2. The SMS 2.
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