Microsoft Office OWC10.Spreadsheet ActiveX BorderAround() Heap Corruption VulnerabilityZDI-09-056: August 11th, 2009
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This vulnerability allows attackers to execute arbitrary code on vulnerable installations of Microsoft Office. User interaction is required to exploit this vulnerability in that the target must visit a malicious page.
The specific vulnerability exists in the OWC10.Spreadsheet.10 ActiveX control installed by Microsoft Office. By accessing specific methods in a certain order heap corruption occurs leading to remote code execution. If exploited, complete control of the affected system can be achieved under the rights of the currently logged in user.
Vendor ResponseMicrosoft has issued an update to correct this vulnerability. More details can be found at:
2007-12-11 - Vulnerability reported to vendor
2009-08-11 - Coordinated public release of advisory
CreditThis vulnerability was discovered by: