PT-2011-3527 · Microsoft · Excel Viewer+4

Published 2011-09-15 · Updated 2018-10-12 · CVE-2011-1987

Positive Technologies (AI Summary)

CVSS v2.0

9.3

High

Base vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Microsoft Excel versions 2003 SP3 through 2007 SP2 Microsoft Excel 2010 Gold and SP1 Office 2004, 2008, and 2011 for Mac Open XML File Format Converter for Mac Excel Viewer SP2 Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2

Description A remote code execution issue exists in Microsoft Excel, related to an array index error when handling specially crafted Excel files. This allows remote attackers to execute arbitrary code. If successfully exploited, an attacker could gain complete control of the affected system, enabling them to install programs, view, change, or delete data, and create new accounts with full user rights.

Recommendations For Microsoft Excel 2003 SP3, update to a newer version to mitigate the risk. For Microsoft Excel 2007 SP2, update to a newer version to mitigate the risk. For Microsoft Excel 2010 Gold and SP1, update to a newer version to mitigate the risk. For Office 2004, 2008, and 2011 for Mac, update to a newer version to mitigate the risk. For Open XML File Format Converter for Mac, update to a newer version to mitigate the risk. For Excel Viewer SP2, update to a newer version to mitigate the risk. For Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2, update to a newer version to mitigate the risk.

Fix

RCE

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

CVE-2011-1987

Affected Products

Excel Viewer

Office Excel

Office

Office Compatibility Pack

Open Xml File Format Converter For Mac

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1987 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2011-1987 · Security Note
• https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-072 · Vendor Advisory
• http://technet.microsoft.com/en-us/security/bulletin/MS11-072 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1987 · Note
• http://us-cert.gov/cas/techalerts/TA11-256A.html · Note
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12953 · Note