Microsoft Excel File Format Parsing Vulnerability
ZDI-06-004: March 14th, 2006CVE ID
Affected Vendors
Affected Products
TippingPoint™ IPS Customer Protection
TippingPoint IPS customers are protected against this vulnerability by Digital Vaccine protection filter ID 4156. For further product information on the TippingPoint IPS:Vulnerability Details
This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Microsoft Office. Exploitation requires that the attacker coerce the target into opening a malicious .XLS file.
The specific flaw exists within the parsing of the BIFF file format used by Microsoft Excel. During the processing of malformed BOOLERR records, user-supplied data may be insecurely referenced thereby leading to the eventual execution of arbitrary code.
Vendor Response
Microsoft has issued an update to correct this vulnerability. More details can be found at:Disclosure Timeline
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2006-01-24 - Vulnerability reported to vendor
2006-03-14 - Coordinated public release of advisory
Credit
This vulnerability was discovered by:-
Arnaud Dovi aka 'class101', http://heapoverflow.com
