===================================================================== CERT-Renater Note d'Information No. 2010/VULN081 _____________________________________________________________________ DATE : 10/03/2010 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : Systems running Microsoft Office Excel, Open XML File Format Converter for Mac, Microsoft Office Excel Viewer, Microsoft Office SharePoint Server 2007, Microsoft Office Compatibility Pack for Word Excel and PowerPoint 2007 File Formats. ====================================================================== KB980150 http://www.microsoft.com/technet/security/bulletin/ms10-017.mspx ______________________________________________________________________ Microsoft Security Bulletin MS10-017 - Important Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150) Version: 1.0 General Information Executive Summary This security update resolves seven privately reported vulnerabilities in Microsoft Office Excel. The vulnerabilities could allow remote code execution if a user opens a specially crafted Excel file. An 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 impacted than users who operate with administrative user rights. This security update is rated Important for all supported editions of Microsoft Office Excel 2002, Microsoft Office Excel 2003, Microsoft Office Excel 2007, Microsoft Office 2004 for Mac, and Microsoft Office 2008 for Mac; Open XML File Format Converter for Mac; and all supported versions of Microsoft Office Excel Viewer and Microsoft Office Compatibility Pack. For more information, see the subsection, Affected and Non-Affected Software, in this section. The update addresses the vulnerabilities by changing the way that Microsoft Office Excel parses specially crafted Excel files. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.) Recommendation. Microsoft recommends that customers apply the update at the earliest opportunity. Known Issues. Microsoft Knowledge Base Article 980150 documents the currently known issues that customers may experience when installing this security update. The article also documents recommended solutions for these issues. When currently known issues and recommended solutions pertain only to specific releases of this software, this article provides links to further articles. Affected Software Microsoft Office XP Service Pack 3 Microsoft Office 2003 Service Pack 3 2007 Microsoft Office System Service Pack 1 2007 Microsoft Office System Service Pack 2 Microsoft Office 2004 for Mac Microsoft Office 2008 for Mac Open XML File Format Converter for Mac Microsoft Office Excel Viewer Service Pack 1 and 2 Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 1 and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Service Pack 2 Microsoft Office SharePoint Server 2007 Service Pack 1 (32-bit editions) Microsoft Office SharePoint Server 2007 Service Pack 2 (32-bit editions) Microsoft Office SharePoint Server 2007 Service Pack 1 (64-bit editions) Microsoft Office SharePoint Server 2007 Service Pack 2 (64-bit editions) Vulnerability Information Microsoft Office Excel Record Memory Corruption Vulnerability - CVE-2010-0257 A remote code execution vulnerability exists in the way that Microsoft Office Excel handles specially crafted Excel files. An attacker who successfully exploited 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. Microsoft Office Excel Sheet Object Type Confusion Vulnerability - CVE-2010-0258 A remote code execution vulnerability exists in the way that Microsoft Office Excel handles specially crafted Excel files. An attacker who successfully exploited 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 Microsoft Office Excel MDXTUPLE Record Heap Overflow Vulnerability - CVE-2010-0260 A remote code execution vulnerability exists in the way that Microsoft Office Excel handles specially crafted Excel files. An attacker who successfully exploited 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. Microsoft Office Excel MDXSET Record Heap Overflow Vulnerability - CVE-2010-0261 A remote code execution vulnerability exists in the way that Microsoft Office Excel handles specially crafted Excel files. An attacker who successfully exploited 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. Microsoft Office Excel FNGROUPNAME Record Uninitialized Memory Vulnerability - CVE-2010-0262 A remote code execution vulnerability exists in the way that Microsoft Office Excel handles specially crafted Excel files. An attacker who successfully exploited 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. Microsoft Office Excel XLSX File Parsing Code Execution Vulnerability - CVE-2010-0263 A remote code execution vulnerability exists in the way that Microsoft Office Excel handles specially crafted Excel files. An attacker who successfully exploited 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. Microsoft Office Excel DbOrParamQry Record Parsing Vulnerability - CVE-2010-0264 A remote code execution vulnerability exists in the way that Microsoft Office Excel handles specially crafted Excel files. An attacker who successfully exploited 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. ====================================================================== ========================================================= 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 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================