===================================================================== CERT-Renater Note d'Information No. 2011/VULN093 _____________________________________________________________________ DATE : 09/02/2011 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Systems running Windows Vista, Windows 7, Windows Server 2008 running FTP Service. ====================================================================== KB2489256 http://www.microsoft.com/technet/security/Bulletin/MS11-004.mspx ______________________________________________________________________ Microsoft Security Bulletin MS11-004 - Important Vulnerability in Internet Information Services (IIS) FTP Service Could Allow Remote Code Execution (2489256) Published: February 08, 2011 Version: 1.0 General Information Executive Summary This security update resolves a publicly disclosed vulnerability in Microsoft Internet Information Services (IIS) FTP Service. The vulnerability could allow remote code execution if an FTP server receives a specially crafted FTP command. FTP Service is not installed by default on IIS. This security update is rated Important for Microsoft FTP Service 7.0 for IIS 7.0 and Microsoft FTP Service 7.5 for IIS 7.0 when installed on all supported editions of Windows Vista and Windows Server 2008, and for Microsoft FTP Service 7.5 for Internet Information Services 7.5 on all supported editions of Windows 7 and Windows Server 2008 R2. For more information, see the subsection, Affected and Non-Affected Software, in this section. The security update addresses the vulnerability by modifying the way that the IIS FTP Service handles specially crafted FTP commands. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information. Affected Software Windows Vista Service Pack 1 and Windows Vista Service Pack 2 Windows Vista x64 Edition Service Pack 1 and Windows Vista x64 Edition Service Pack 2 Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit Systems Service Pack 2 Windows Server 2008 for x64-based Systems and Windows Server 2008 for x64-based Systems Service Pack 2 Windows 7 for 32-bit Systems Windows 7 for x64-based Systems Windows Server 2008 R2 for x64-based Systems Windows Server 2008 R2 for Itanium-based Systems Vulnerability Information IIS FTP Service Heap Buffer Overrun Vulnerability - CVE-2010-3972 A vulnerability exists in the FTP Service in Microsoft Internet Information Services (IIS) 7.0 and Microsoft Internet Information Services (IIS) 7.5. The vulnerability could allow remote code execution. ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 23 - 25 Rue Daviel | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================