Content

(MS09-067) Excel Index Parsing Vulnerability (972652)

Type
Buffer Overflow
Impact of exploitation
Denial of Service
User Interaction
user interaction is needed
Attack Vector
Maliciously Crafted File
Rating
Medium
CVE reference
CVE-2009-3132,
Vendor Status
Responded and patched
Vulnerable systems
Excel  2002 SP2,
Excel  2003 SP3,
Excel 2007  SP2,
Excel Viewer  2003 SP3,
Office for Mac  2004,
Office for Mac  2008,
Compatibility Pack Word Excel Powerpoint 2007  ,
Summary
A remote code execution vulnerability exists in Microsoft Office Excel as a result of pointer corruption when loading Excel formulas.

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Description

A remote code execution vulnerability exists in Microsoft Office Excel as a result of pointer corruption when loading Excel formulas. The vulnerability could allow remote code execution if a user opens a specially crafted Excel file that includes a malformed formula. 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. ? The vulnerability cannot be exploited automatically through e-mail. For an attack to be successful, a user must open an attachment that is sent in an e-mail message. ? An attacker who successfully exploited this vulnerability 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.

McAfee Product Mitigation & Recommendations

Recommendations

The vendor has released a patch to address this issue: http://www.microsoft.com/technet/security/bulletin/ms09-067.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
(MS09-067) Excel Index Parsing Vulnerability (972652)
Signature identifier:
7324
Release date:
11/10/2009

Additional Resources

(MS09-067) Excel Index Parsing Vulnerability (972652)

http://www.microsoft.com/technet/security/bulletin/ms09-067.mspx

All Information

Timeline -

11/10/2009

Vendor has provided a patch.

Description -

A remote code execution vulnerability exists in Microsoft Office Excel as a result of pointer corruption when loading Excel formulas. The vulnerability could allow remote code execution if a user opens a specially crafted Excel file that includes a malformed formula. 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. ? The vulnerability cannot be exploited automatically through e-mail. For an attack to be successful, a user must open an attachment that is sent in an e-mail message. ? An attacker who successfully exploited this vulnerability 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.

McAfee Product Mitigation & Recommendations

Recommendations -

The vendor has released a patch to address this issue: http://www.microsoft.com/technet/security/bulletin/ms09-067.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
(MS09-067) Excel Index Parsing Vulnerability (972652)
Signature identifier:
7324
Release date:
11/10/2009

Additional Resources

Additional Resources -

(MS09-067) Excel Index Parsing Vulnerability (972652)

http://www.microsoft.com/technet/security/bulletin/ms09-067.mspx