Microsoft Excel REPT code execution

excel-rept-code-execution (45580)

High Risk

Description:

Microsoft Excel could allow a remote attacker to execute arbitrary code on the system, caused by an integer overflow in the REPT function. By persuading a victim to open a specially-crafted Office Excel file, a remote attacker could exploit this vulnerability to corrupt memory and execute arbitrary code on the system with the privileges of the victim.

*CVSS:

Base Score:	9.3
Access Vector:	Network
Access Complexity:	Medium
Authentication:	None
Confidentiality Impact:	Complete
Integrity Impact:	Complete
Availability Impact:	Complete
Temporal Score:	6.9
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

Apply the appropriate patch for your system, as listed in the latest Microsoft Security Bulletin. See References.

— OR —

Use Microsoft Automatic Update if it is supported by your operating system. The original bulletin issued by Microsoft has been superseded.

References:

• Microsoft Security Bulletin MS08-057: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (956416).
• Microsoft Security Bulletin MS08-072: Vulnerabilities in Microsoft Office Word Could Allow Remote Code Execution (957173).
• Microsoft Security Bulletin MS08-074: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (959070).
• Microsoft Security Bulletin MS09-009: Vulnerabilities in Microsoft Office Excel Could Cause Remote Code Execution (968557).
• Microsoft Security Bulletin MS09-017: Vulnerabilities in Microsoft Office PowerPoint Could Allow Remote Code Execution (967340).
• Microsoft Security Bulletin MS09-021: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (969462).
• Microsoft Security Bulletin MS09-021: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (969462).
• Microsoft Security Bulletin MS09-021: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (969462).
• Microsoft Security Bulletin MS09-024: Vulnerability in Microsoft Works Converters Could Allow Remote Code Execution (957632).
• Microsoft Security Bulletin MS09-027: Vulnerabilities in Microsoft Office Word Could Allow Remote Code Execution (969514).
• Microsoft Security Bulletin MS09-067: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (972652).
• Microsoft Security Bulletin MS09-067: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (972652).
• Microsoft Security Bulletin MS09-067: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (972652).
• Microsoft Security Bulletin MS09-068: Vulnerability in Microsoft Office Word Allows Remote Code Execution (976307).
• Microsoft Security Bulletin MS09-073: Vulnerability in WordPad and Office Text Converters Could Allow Remote Code Execution (975539).
• Microsoft Security Bulletin MS10-004: Vulnerabilities in Microsoft Office PowerPoint Could Allow Remote Code Execution (975416).
• Microsoft Security Bulletin MS10-017: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150).
• Microsoft Security Bulletin MS10-017: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150).
• Microsoft Security Bulletin MS10-017: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150).
• Microsoft Security Bulletin MS10-017: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150).
• Microsoft Security Bulletin MS10-017: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150).
• Microsoft Security Bulletin MS10-017: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (980150).
• Microsoft Security Bulletin MS10-036: Vulnerabilities in COM validation in Microsoft Office Could Allow Remote Code Execution (983235.
• Microsoft Security Bulletin MS10-038: Vulnerabilities in Microsoft Office Excel Could Allow Remote Code Execution (2027452).
• Microsoft Security Bulletin MS10-056: Vulnerabilities in Microsoft Office Word Could Allow Remote Code Execution (2269638).
• Microsoft Security Bulletin MS10-057: Vulnerability in Microsoft Office Excel Could Allow Remote Code Execution (2269707).
• Microsoft Security Bulletin MS10-079: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (2293194).
• Microsoft Security Bulletin MS10-079: Vulnerabilities in Microsoft Word Could Allow Remote Code Execution (2293194).
• Microsoft Security Bulletin MS10-087: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2423930).
• Microsoft Security Bulletin MS10-105: Vulnerabilities in Microsoft Office Graphics Filters Could Allow for Remote Code Execution (968095).
• Microsoft Security Bulletin MS11-021: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2489279).
• Microsoft Security Bulletin MS11-023: Vulnerabilities in Microsoft Office Could Allow Remote Code Execution (2489293).
• Microsoft Security Bulletin MS11-045: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2537146).
• Microsoft Security Bulletin MS11-072: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2587505).
• Microsoft Security Bulletin MS11-072: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2587505).
• Microsoft Security Bulletin MS11-072: Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (2587505).
• Microsoft Security Bulletin MS11-096: Vulnerability in Microsoft Excel Could Allow Remote Code Execution (2640241).
• Microsoft Security Bulletin MS11-096: Vulnerability in Microsoft Excel Could Allow Remote Code Execution (2640241).
• Microsoft Security Bulletin MS11-096: Vulnerability in Microsoft Excel Could Allow Remote Code Execution (2640241).
• ASA-2008-410: MS08-057 Vulnerabilities in Microsoft Excel Could Allow Remote Code Execution (956416)
• BID-31706: Microsoft Excel Formula Parsing Remote Code Execution Vulnerability
• CVE-2008-4019: Integer overflow in the REPT function in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2 and SP3, and 2007 Gold and SP1; Office Excel Viewer 2003 SP3; Office Excel Viewer; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats Gold and SP1; Office SharePoint Server 2007 Gold and SP1; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via an Excel file containing a formula within a cell, aka Formula Parsing Vulnerability.
• SA32211: Microsoft Excel Multiple Vulnerabilities
• SECTRACK ID: 1021044: Microsoft Excel Object, Calendar, and Formula Bugs Let Remote Users Execute Arbitrary Code
• VUPEN/ADV-2008-2808: Microsoft Excel Multiple Code Execution Vulnerabilities (MS08-057)

Platforms Affected:

• Microsoft Excel 2000 SP3
• Microsoft Excel 2002 SP3
• Microsoft Excel 2003 SP2
• Microsoft Excel 2003 SP3
• Microsoft Excel 2007
• Microsoft Excel 2007 SP1
• Microsoft Excel Viewer 2003
• Microsoft Excel Viewer 2003 SP3
• Microsoft Excel Viewer
• Microsoft Office 2004 Mac OS
• Microsoft Office 2008 Mac OS
• Microsoft Office Compatibility Pack 2007
• Microsoft Office Compatibility Pack 2007 SP1
• Microsoft Open XML File Format Converter Mac OS
• Microsoft SharePoint Server 2007
• Microsoft SharePoint Server 2007 x64
• Microsoft SharePoint Server 2007 SP1
• Microsoft SharePoint Server 2007 SP1 x64

Reported:

Oct 14, 2008

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