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Microsoft Office Excel File Rebuilding Code Execution (MS06-037)
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SUMMARY
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.
DETAILS
Vulnerable Systems:
* Office Excel 2003
* Office Excel Viewer 2003
* Office Excel 2002
* Office Excel 2000
* Office Excel 2004 for Mac
* Office Excel version X for Mac
The specific flaw exists within the rebuilding of malformed cell comments.
When Excel encounters a malformed record it attempts to rebuild the broken
meta-data. A flaw in this rebuilding process allows the user to specify
critical data offsets eventually leading to code execution with the
credentials of the current user.
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2388>
CVE-2006-2388
Disclosure Timeline:
2006.06.15 - Vulnerability reported to vendor
2006.07.11 - Coordinated public release of advisory
ADDITIONAL INFORMATION
The information has been provided by <mailto:zdi-disclosures@3com.com>
ZDI.
The original article can be found at:
<http://www.zerodayinitiative.com/advisories/ZDI-06-022.html>
http://www.zerodayinitiative.com/advisories/ZDI-06-022.html
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