Download Internet Explorer 9 For Windows Xp Professional Service Pack 3
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The update addresses the vulnerabilities by modifying the way Internet Explorer handles objects in memory, handles JavaScript event handlers, renders data during certain processes, accesses files stored in the local machine, and manages cookie files; and by modifying the way the telnet handler executes the associated application. This security update is rated Critical for Internet Explorer 6 on Windows clients, Internet Explorer 7, Internet Explorer 8, and Internet Explorer 9; and Important for Internet Explorer 6 on Windows servers. Windows Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):August Security Updates for XPe SP3 and Standard 2009 Are Now on ECE (KB2559049)ConsequenceAn attacker who successfully exploited any of these vulnerabilities could gain the same user rights as the local user. Users whose accounts are configured to have fewer user rights on the system could be less affected than users who operate with administrative user rights.The most severe vulnerabilities could allow remote code execution if a user views a specially crafted Web page using Internet Explorer.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 3 (Internet Explorer 6)Windows XP Professional x64 Edition Service Pack 2 (Internet Explorer 6)Windows Server 2003 Service Pack 2 (Internet Explorer 6)Windows Server 2003 x64 Edition Service Pack 2 (Internet Explorer 6)Windows Server 2003 with SP2 for Itanium-based Systems (Internet Explorer 6)Windows XP Service Pack 3 (Internet Explorer 7)Windows XP Professional x64 Edition Service Pack 2 (Internet Explorer 7)Windows Server 2003 Service Pack 2 (Internet Explorer 7)Windows Server 2003 x64 Edition Service Pack 2 (Internet Explorer 7)Windows Server 2003 with SP2 for Itanium-based Systems (Internet Explorer 7)Windows Vista Service Pack 2 (Internet Explorer 7)Windows Vista x64 Edition Service Pack 2 (Internet Explorer 7)Windows Server 2008 for 32-bit Systems Service Pack 2 (Internet Explorer 7)Windows Server 2008 for x64-based Systems Service Pack 2 (Internet Explorer 7)Windows XP Professional x64 Edition Service Pack 2 (Internet Explorer 8)For a complete list of patch download links, please refer to Microsoft Security Bulletin MS11-057.Workaround:1) Set Internet and Local intranet security zone settings to "High" to prompt before running ActiveX Controls and Active Scripting2) Configure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zoneImpact of workarounds #1 and #2: You will be prompted frequently when visiting Web sites on the Internet or Intranet that use ActiveX or Active Scripting to provide additional functionality.Microsoft Windows DNS Server Remote Code Execution Vulnerability (MS11-058)SeverityUrgent5Qualys ID90726Vendor ReferenceMS11-058CVE ReferenceCVE-2011-1966, CVE-2011-1970CVSS ScoresBase 10 / Temporal 7.8DescriptionMultiple vulnerabilities exist in Windows DNS server.A remote code execution vulnerability is caused when a non-authoritative DNS server improperly handles a specially crafted NAPTR record in memory while recursively requesting the record from the authoritative DNS server.A denial of service vulnerability exists in the way that the DNS server improperly handles an object in memory that has not been initialized.Microsoft has released a security update that addresses the vulnerabilities by modifying the way that the DNS server handles NAPTR queries in memory and initializes objects in memory before use.This security update is rated Critical for 32-bit and x64-based editions of Windows Server 2008, and x64-based editions of Windows Server 2008 R2; and Important for all supported editions of Windows Server 2003. For a thorough understanding of the vulnerability (CVE-2011-1966) fixed in this security update see: Patch Analysis for MS11-058ConsequenceExploitation could result in remote code execution or cause a denial of service.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows Server 2003 Service Pack 2Windows Server 2003 x64 Edition Service Pack 2Windows Server 2003 with SP2 for Itanium-based SystemsWindows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1Refer to Microsoft Security Bulletin MS11-058 for further details.Workaround:Disable the DNS service if you are not using it.Microsoft Data Access Components Remote Code Execution Vulnerability (MS11-059)SeverityCritical4Qualys ID90722Vendor ReferenceMS11-059CVE ReferenceCVE-2011-1975CVSS ScoresBase 9.3 / Temporal 6.9DescriptionMicrosoft Data Access Components is a collection of components that make it easy for programs to access databases and then to manipulate the data within them.A remote code execution vulnerability exists in the way that the Windows Data Access Tracing component handles the loading of DLL files.(CVE-2011-1975).This security update is rated Important for all supported editions of Windows 7 and Windows Server 2008 R2.ConsequenceSuccessfully exploiting this vulnerability might allow a remote attacker to execute arbitrary code.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1Refer to Microsoft Security Bulletin MS11-059 for further details.Workaround:1) Disable loading of libraries from WebDAV and remote network shares2) Disable the WebClient serviceImpact of workaround #2: When the WebClient service is disabled, Web Distributed Authoring and Versioning (WebDAV) requests are not transmitted. In addition, any services that explicitly depend on the Web Client service will not start, and an error message will be logged in the System log.3) Block TCP ports 139 and 445 at the firewallImpact of workaround #3: Several Windows services use the affected ports. Blocking connectivity to the ports may prevent various applications or services from functioning.Microsoft Office Visio Remote Code Execution Vulnerability (MS11-060)SeverityCritical4Qualys ID110156Vendor ReferenceMS11-060CVE ReferenceCVE-2011-1972, CVE-2011-1979CVSS ScoresBase 9.3 / Temporal 6.9DescriptionMicrosoft Visio is diagramming software for Microsoft Windows. It uses vector graphics to create diverse diagrams.Two remote code execution vulnerabilities exists because the application does not properly validate objects in memory when parsing crafted Visio files. (CVE-2011-1972, CVE-2011-1979)Microsoft has released a security update that addresses these vulnerabilities by correcting the way that Microsoft Visio handles corrupted structures and objects in memory when parsing specially crafted Visio files.The security update is rated Important for all supported editions of Microsoft Visio 2003, Visio 2007 and Visio 2010.ConsequenceAn attacker who successfully exploits this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Users whose accounts are configured to have fewer user rights on the system could be less affected than users who operate with administrative user rights.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Microsoft Visio 2003 Service Pack 3Microsoft Visio 2007 Service Pack 2Microsoft Visio 2010 and Microsoft Visio 2010 Service Pack 1 (32-bit editions)Microsoft Visio 2010 and Microsoft Visio 2010 Service Pack 1 (64-bit editions)Refer to Microsoft Security Bulletin MS11-060 for further details.Workaround:Do not open untrusted Office filesMicrosoft Windows Remote Desktop Web Access Elevation of Privilege Vulnerability (MS11-061)SeverityCritical4Qualys ID90728Vendor ReferenceMS11-061CVE ReferenceCVE-2011-1263CVSS ScoresBase 4.3 / Temporal 3.2DescriptionRemote Desktop Web Access (RD Web Access) is a role service in the Remote Desktop Services role that lets you make RemoteApp programs, virtual desktops, and session-based desktops available to users by using a Web browser. A reflected XSS vulnerability is caused when the logon page for Remote Desktop Web Access improperly validates a URL parameter.Microsoft has released a security update to addresses the vulnerability by correcting the manner in which the logon page for Remote Desktop Web Access validates input parameters.This security update is rated Important for all supported editions of Windows Server 2008 R2.ConsequenceAn attacker who successfully exploits this vulnerability could inject a client-side script into the user's instance of Internet Explorer. The script could spoof content, disclose information, or take any action that the user could take on the Remote Desktop Web Access site.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1Refer to Microsoft Security Bulletin MS11-061 for further details.Workaround:1) Enable Internet Explorer 8 and Internet Explorer 9 XSS filter for Intranet ZoneImpact of workaround #1: Internal sites not previously flagged as being XSS risks would be flagged.Microsoft Remote Access Service NDISTAPI Driver Elevation of Privilege Vulnerability (MS11-062)SeverityCritical4Qualys ID90724Vendor ReferenceMS11-062CVE ReferenceCVE-2011-1974CVSS ScoresBase 7.2 / Temporal 6DescriptionRemote Access Service (RAS) lets users connect to a remote computer over the phone lines, the Internet, or other network connection so they can work as if their system were physically connected to the remote network. The NDISTAPI driver is part of the RAS architecture and interfaces the NDISWAN to TAPI services.An elevation of privilege vulnerability exists in the Remote Access Service NDISTAPI driver. The vulnerability is caused when the NDISTAPI driver improperly validates user-supplied input when passing data from user mode to the Windows kernel. (CVE-2011-1974)Affected Operating System:Windows XP Service Pack 3Windows XP Professional x64 Edition Service Pack 2Windows Server 2003 Service Pack 2Windows Server 2003 x64 Edition Service Pack 2Windows Server 2003 with SP2 for Itanium-based SystemsWindows Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):August Security Updates for XPe SP3 and Standard 2009 Are Now on ECE (KB2566454)ConsequenceAn attacker who successfully exploits this vulnerability could run arbitrary code in the context of the local system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 3Windows XP Professional x64 Edition Service Pack 2Windows Server 2003 Service Pack 2Windows Server 2003 x64 Edition Service Pack 2Windows Server 2003 with SP2 for Itanium-based SystemsRefer to Microsoft Security Bulletin MS11-062 for further details.Microsoft Remote Access Service NDISTAPI Driver Elevation of Privilege Vulnerability (MS11-062)SeverityCritical4Qualys ID90724Vendor ReferenceMS11-062CVE ReferenceCVE-2011-1974CVSS ScoresBase 7.2 / Temporal 6DescriptionRemote Access Service (RAS) lets users connect to a remote computer over the phone lines, the Internet, or other network connection so they can work as if their system were physically connected to the remote network. The NDISTAPI driver is part of the RAS architecture and interfaces the NDISWAN to TAPI services.An elevation of privilege vulnerability exists in the Remote Access Service NDISTAPI driver. The vulnerability is caused when the NDISTAPI driver improperly validates user-supplied input when passing data from user mode to the Windows kernel. (CVE-2011-1974)Affected Operating System:Windows XP Service Pack 3Windows XP Professional x64 Edition Service Pack 2Windows Server 2003 Service Pack 2Windows Server 2003 x64 Edition Service Pack 2Windows Server 2003 with SP2 for Itanium-based SystemsWindows Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):August Security Updates for XPe SP3 and Standard 2009 Are Now on ECE (KB2566454)ConsequenceAn attacker who successfully exploits this vulnerability could run arbitrary code in the context of the local system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 3Windows XP Professional x64 Edition Service Pack 2Windows Server 2003 Service Pack 2Windows Server 2003 x64 Edition Service Pack 2Windows Server 2003 with SP2 for Itanium-based SystemsRefer to Microsoft Security Bulletin MS11-062 for further details.Microsoft Windows Client/Server Run-time Subsystem Elevation of Privilege Vulnerability (MS11-063)SeverityCritical4Qualys ID90721Vendor ReferenceMS11-063CVE ReferenceCVE-2011-1967CVSS ScoresBase 7.2 / Temporal 5.6DescriptionThis security update resolves a privately reported vulnerability in Microsoft Windows by modifying the way that the Client/Server Run-time Subsystem (CSRSS) evaluates inter-process device event message permissions. This security update is rated Important for all supported versions of Microsoft Windows.Windows Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):August Security Updates for XPe SP3 and Standard 2009 Are Now on ECE (KB2567680)ConsequenceThe vulnerability could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application designed to send a device event message to a higher-integrity process. An attacker must have valid logon credentials and be able to log on locally to exploit this vulnerability.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 3Windows XP Professional x64 Edition Service Pack 2Windows Server 2003 Service Pack 2Windows Server 2003 x64 Edition Service Pack 2Windows Server 2003 with SP2 for Itanium-based SystemsWindows Vista Service Pack 2Windows Vista x64 Edition Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for Itanium-based Systems Service Pack 2Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1Refer to Microsoft Security Bulletin MS11-063 for further details.Microsoft Windows TCP/IP Denial of Service Vulnerability (MS11-064)SeveritySerious3Qualys ID90731Vendor ReferenceMS11-064CVE ReferenceCVE-2011-1871, CVE-2011-1965CVSS ScoresBase 7.8 / Temporal 6.1DescriptionTCP/IP is a set of networking protocols that are widely used on the Internet. TCP/IP provides communication across interconnected networks of computers that have diverse hardware architectures and that run various operating systems. The following vulnerabilities exist in TCP/IP processing in Windows.A denial of service vulnerability exists in TCP/IP processing due to improperly processing a sequence of any specially crafted ICMP messages. (CVE-2011-1871)A denial of service vulnerability exists in the TCP/IP stack, which occurs when the TCP/IP stack improperly handles URLs in memory when URL-based Quality of Service(QoS) is enabled. (CVE-2011-1965)The security update is rated Important for all supported editions of Microsoft Windows Vista, Windows Server 2008, Windows 7 and Windows Server 2008 R2.ConsequenceSuccessfully exploiting this vulnerability might allow a remote attacker to cause a denial of service.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows Vista Service Pack 2Windows Vista x64 Edition Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for Itanium-based Systems Service Pack 2Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1Refer to Microsoft Security Bulletin MS11-064 for further details.Workaround:1) Block ICMP at the firewallImpact of workaround #1: This workaround can negatively impact performance by preventing TCP from optimizing network communication. ICMP network packets can eliminate fragmentation at routers connecting networks with different MTUs. Fragmentation reduces TCP throughput and increases network congestion.2) Disable Policy-based QoS.Microsoft Windows Remote Desktop Protocol Denial of Service Vulnerability (MS11-065)SeveritySerious3Qualys ID90723Vendor ReferenceMS11-065CVE ReferenceCVE-2011-1968CVSS ScoresBase 7.1 / Temporal 5.3DescriptionThe Remote Desktop feature in Windows enables access to all of the programs, resources, and accessories on a user's computer from a second Windows-based computer.A denial of service vulnerability exists in the way the Remote Desktop Protocol accesses an object in memory that has been improperly initialized or has been deleted (CVE-2011-1968).This security update is rated Important for all supported editions of Windows Server 2003 and Moderate for all supported editions of Windows XP.Windows Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):August Security Updates for XPe SP3 and Standard 2009 Are Now on ECE (KB2570222)ConsequenceSuccessfully exploiting this vulnerability might allow a remote attacker to cause a denial of service.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 3Windows XP Professional x64 Edition Service Pack 2Windows Server 2003 Service Pack 2Windows Server 2003 x64 Edition Service Pack 2Windows Server 2003 with SP2 for Itanium-based SystemsRefer to Microsoft Security Bulletin MS11-065 for further details.Workaround:1) Disable Terminal Services, Remote Desktop, Remote Assistance, and Windows Small Business Server 2003 Remote Web Workplace feature if no longer required.2) Block TCP port 3389 at the enterprise perimeter firewall.Microsoft Chart Control Information Disclosure Vulnerability (MS11-066)SeveritySerious3Qualys ID90727Vendor ReferenceMS11-066CVE ReferenceCVE-2011-1977CVSS ScoresBase 4.3 / Temporal 3.2DescriptionMicrosoft Chart controls enable you to create ASP.NET pages or Windows Forms applications with simple, intuitive and visually compelling charts for complex statistical or financial analysisAn information disclosure vulnerability exists in the way Microsoft Chart controls incorrectly handle special characters within a specially crafted URI.(CVE-2011-1977).This security update is rated Important for Microsoft .NET Framework 4 on all supported releases of Microsoft Windows and for Chart Control for Microsoft .NET Framework 3.5 Service Pack 1.Windows Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):August Security Updates for XPe SP3 and Standard 2009 Are Now on ECE (KB2487367)April 2012 Security Updates are Live on ECE for XPe and Standard 2009 (KB2500170)ConsequenceSuccessfully exploiting this vulnerability might allow a remote attacker to read the contents of any file within the web site directory or subdirectories.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 3 (Microsoft .NET Framework 4)Windows XP Professional x64 Edition Service Pack 2 (Microsoft .NET Framework 4)Windows Server 2003 Service Pack 2 (Microsoft .NET Framework 4)Windows Server 2003 x64 Edition Service Pack 2 (Microsoft .NET Framework 4)Windows Server 2003 with SP2 for Itanium-based Systems (Microsoft .NET Framework 4)Windows Vista Service Pack 2 (Microsoft .NET Framework 4)Windows Vista x64 Edition Service Pack 2 (Microsoft .NET Framework 4)Windows Server 2008 for 32-bit Systems Service Pack 2 (Microsoft .NET Framework 4)Windows Server 2008 for x64-based Systems Service Pack 2 (Microsoft .NET Framework 4)Windows Server 2008 for Itanium-based Systems Service Pack 2 (Microsoft .NET Framework 4)Windows 7 for 32-bit Systems and Windows 7 for 32-bit Systems Service Pack 1 (Microsoft .NET Framework 4)Windows 7 for x64-based Systems and Windows 7 for x64-based Systems Service Pack 1 (Microsoft .NET Framework 4)Windows Server 2008 R2 for x64-based Systems and Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Microsoft .NET Framework 4)Windows Server 2008 R2 for Itanium-based Systems and Windows Server 2008 R2 for Itanium-based Systems Service Pack 1 (Microsoft .NET Framework 4)Chart Control for Microsoft .NET Framework 3.5 Service Pack 1Refer to Microsoft Security Bulletin MS11-066 for further details.Microsoft Report Viewer Information Disclosure Vulnerability (MS11-067)SeverityUrgent5Qualys ID90725Vendor ReferenceMS11-067CVE ReferenceCVE-2011-1976CVSS ScoresBase 4.3 / Temporal 3.4DescriptionThis security update resolves a privately reported vulnerability in Microsoft Report Viewer by correcting the manner in which the Microsoft Report Viewer control validates parameters within a data source. This security update is rated Important for all supported editions of Microsoft Visual Studio 2005 and Microsoft Report Viewer 2005 Redistributable Package.ConsequenceThe vulnerability could allow information disclosure if a user views a specially crafted Web page. In all cases, an attacker would have no way to force a user to visit the Web site. Instead, an attacker would have to persuade a user to visit the Web site, typically by getting them to click a link in an email message or Instant Messenger message that takes the user to the vulnerable Web site.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Microsoft Visual Studio 2005 Service Pack 1Microsoft Report Viewer 2005 Service Pack 1 Redistributable PackageRefer to Microsoft Security Bulletin MS11-067 for further details.Workaround:1) Set Internet and Local intranet security zone settings to "High" to prompt before running ActiveX Controls and Active Scripting2) Configure Internet Explorer to prompt before running Active Scripting or to disable Active Scripting in the Internet and Local intranet security zoneImpact of workaround #1 and #2: On visiting Web sites on the Internet or Intranet that use ActiveX or Active Scripting to provide additional functionality, you will be prompted frequently when you enable this workaround.Microsoft Windows Kernel Denial of Service Vulnerability (MS11-068)SeverityCritical4Qualys ID90730Vendor ReferenceMS11-068CVE ReferenceCVE-2011-1971CVSS ScoresBase 4.7 / Temporal 3.5DescriptionThe Windows kernel is the core of the operating system. The kernel provides system-level services such as device management and memory management, allocates processor time to processes, and manages error handling.A denial of service vulnerability is caused when the Windows kernel improperly parses metadata information in files.Microsoft has released a security update that addresses the vulnerability by correcting the way that the Windows kernel parses metadata information in files. This security update is rated Moderate for all supported editions of Windows Vista, Windows Server 2008, Windows 7, and Windows Server 2008 R2.ConsequenceAn attacker who successfully exploits this vulnerability could cause the affected system to restart.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows Vista Service Pack 2Windows Vista x64 Edition Service Pack 2Windows Server 2008 for 32-bit Systems Service Pack 2Windows Server 2008 for x64-based Systems Service Pack 2Windows Server 2008 for Itanium-based Systems Service Pack 2Windows 7 for 32-bit SystemsWindows 7 for 32-bit Systems Service Pack 1Windows 7 for x64-based SystemsWindows 7 for x64-based Systems Service Pack 1Windows Server 2008 R2 for x64-based SystemsWindows Server 2008 R2 for x64-based Systems Service Pack 1Windows Server 2008 R2 for Itanium-based SystemsWindows Server 2008 R2 for Itanium-based Systems Service Pack 1Refer to Microsoft Security Bulletin MS11-068 for further details.Workaround:1) Disable the WebClient serviceImpact of workaround #1: When the WebClient service is disabled, Web Distributed Authoring and Versioning (WebDAV) requests are not transmitted. In addition, any services that explicitly depend on the Web Client service will not start, and an error message will be logged in the System log.2) Disable the Preview Pane and Details Pane in Windows ExplorerImpact of workaround #2: Windows Explorer will not automatically display OTF fonts.3) Block TCP ports 139 and 445 at the firewallImpact of workaround #3: Several Windows services use the affected ports. Blocking connectivity to the ports may cause various applications or services to not function.Microsoft .NET Framework Information Disclosure Vulnerability (MS11-069)SeverityCritical4Qualys ID90729Vendor ReferenceMS11-069CVE ReferenceCVE-2011-1978CVSS ScoresBase 4.3 / Temporal 3.2DescriptionThe System.Net.Sockets namespace within the .NET Framework provides a managed implementation of the Windows Sockets (Winsock) interface for developers who need to tightly control access to the network.An information disclosure vulnerability exists because .NET Framework improperly validates the trust level within the System.Net.Sockets namespace. (CVE-2011-1978)Affected Software:Windows XP Service Pack 3 (Microsoft .NET Framework 2.0 Service Pack 2 and Microsoft .NET Framework 4)Windows XP Professional x64 Edition Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2 and Microsoft .NET Framework 4)Windows Server 2003 Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2 and Microsoft .NET Framework 4)Windows Server 2003 x64 Edition Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2 and Microsoft .NET Framework 4)Windows Embedded Systems:- For additional information regarding security updates for embedded systems, refer to the following MSDN blog(s):August Security Updates for XPe SP3 and Standard 2009 Are Now on ECE (KB2539631, 2539636)ConsequenceAn attacker who successfully exploited this vulnerability would be able to access information not intended to be exposed. Additionally, this vulnerability could be used to direct network traffic from a victim's system to other network resources the victim can access. This could allow an attacker to cause a denial of service to any system the victim's system can access or use the victim's system to scan network resources available to the victim.SolutionPatch:Following are links for downloading patches to fix the vulnerabilities:Windows XP Service Pack 3 (Microsoft .NET Framework 2.0 Service Pack 2)Windows XP Service Pack 3 (Microsoft .NET Framework 4[1])Windows XP Professional x64 Edition Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2)Windows XP Professional x64 Edition Service Pack 2 (Microsoft .NET Framework 4[1])Windows Server 2003 Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2)Windows Server 2003 Service Pack 2 (Microsoft .NET Framework 4[1])Windows Server 2003 x64 Edition Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2)Windows Server 2003 x64 Edition Service Pack 2 (Microsoft .NET Framework 4[1])Windows Server 2003 with SP2 for Itanium-based Systems (Microsoft .NET Framework 2.0 Service Pack 2)Windows Server 2003 with SP2 for Itanium-based Systems (Microsoft .NET Framework 4[1])Windows Vista Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2)Windows Vista Service Pack 2 (Microsoft .NET Framework 4[1])Windows Vista x64 Edition Service Pack 2 (Microsoft .NET Framework 2.0 Service Pack 2)For a complete list of patch download links, please refer to Microsoft Security Bulletin MS11-069.Workaround:Disable XAML browser applications in Internet ExplorerImpact of workaround: Microsoft .NET code will not run in Internet Explorer or will not run without prompting. Disabling Microsoft .NET applications and components in the Internet and Local intranet security zones may cause some Web sites to work incorrectly. If you have difficulty using a Web site after you change this setting and you are sure the site is safe to use, you can add that site to your list of trusted sites. This will allow the site to work correctly.These new vulnerability checks are included in Qualysvulnerability signature1.28.183-4.Each Qualys account is automatically updated with the latestvulnerability signatures as they become available. To view thevulnerability signature version in your account, from theQualys Help menu, select the About tab. 2b1af7f3a8