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Microsoft Excel SELECTION Record Memory Corruption (MS06-037)
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SUMMARY
A memory corruption vulnerability in Microsoft Excel's processing of
SELECTION record allows remote attackers to run arbitrary via carefully
crafted Excel files.
DETAILS
Vulnerable Systems:
* Microsoft Excel 2000
* Microsoft Excel XP
* Microsoft Excel 2003
Excel does not perform sufficient check for certain field when processing
SELECTION record. During some data copying operation the user-supplied
data might be used for the copying, resulting in memory corruption and
arbitrary code execution.
Attackers can craft an Excel file with malformed SELECTION record and
allure users to open it via instant messaging tools, e-mail or other
vectors, resulting in arbitrary code execution with the privilege of the
user. If the user is the administrator, then attackers might take complete
control over the system.
CVE Information:
<http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1302>
CVE-2006-1302
Disclosure Timeline:
2006.03.30 Informed the vendor
2006.04.03 Vendor confirmed the vulnerability
2006.07.11 Microsoft has released a security bulletin (MS06-037) and
related patches.
ADDITIONAL INFORMATION
The information has been provided by <mailto:security@nsfocus.com>
NSFOCUS Security Team.
The original article can be found at:
<http://www.nsfocus.com/english/homepage/research/0605.htm>
http://www.nsfocus.com/english/homepage/research/0605.htm
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