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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2010.0232 Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution 10 March 2010 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Microsoft Office XP Microsoft Office 2003 2007 Microsoft Office System Microsoft Office 2004 for Mac Microsoft Office 2008 for Mac Open XML File Format Converter for Mac Microsoft Office Excel Viewer Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 Microsoft Office SharePoint Server 2007 Publisher: Microsoft Operating System: Windows Mac OS X Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction Resolution: Patch/Upgrade CVE Names: CVE-2010-0264 CVE-2010-0263 CVE-2010-0262 CVE-2010-0261 CVE-2010-0260 CVE-2010-0258 CVE-2010-0257 Original Bulletin: http://www.microsoft.com/technet/security/bulletin/ms10-017.mspx - --------------------------BEGIN INCLUDED TEXT-------------------- 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. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iD8DBQFLlsxR/iFOrG6YcBERAmiyAKCRiei1hNhPhiHXo08DgJXLWOGuZwCdFu5R RvTShOZNVpvvir6KiYlPIYA= =uKwB -----END PGP SIGNATURE-----