Content

MS09-067) Excel SxView Memory Corruption Vulnerability (972652)

Type
Buffer Overflow
Impact of exploitation
Remote Code Execution
User Interaction
no user interaction is needed
Attack Vector
Maliciously Crafted File
Rating
High
CVE reference
CVE-2009-3128,
Vendor Status
Responded and patched
Vulnerable systems
Excel  2003 SP3,
Excel 2007  SP2,
Office for Mac  2008,
Excel Viewer  2003 SP3,
Summary
A remote code execution vulnerability exists in Microsoft Office Excel that could allow remote code execution if a user opens a specially crafted Excel file that includes a malformed record object.

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Description

A remote code execution vulnerability exists in Microsoft Office Excel that could allow remote code execution if a user opens a specially crafted Excel file that includes a malformed record object. 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 patches to address this issue. http://www.microsoft.com/technet/security/bulletin/ms09-067.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
MS09-067) Excel SxView Memory Corruption Vulnerability (972652)
Signature identifier:
7320
Release date:
11/10/2009

Additional Resources

(MS09-067) Excel SxView Memory Corruption 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 that could allow remote code execution if a user opens a specially crafted Excel file that includes a malformed record object. 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 patches to address this issue. http://www.microsoft.com/technet/security/bulletin/ms09-067.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
MS09-067) Excel SxView Memory Corruption Vulnerability (972652)
Signature identifier:
7320
Release date:
11/10/2009

Additional Resources

Additional Resources -

(MS09-067) Excel SxView Memory Corruption Vulnerability (972652)

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