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Microsoft Windows COM Object Instantiation Memory Corruption Vulnerability
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Secunia Advisory:
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SA16480
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Release Date:
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2005-08-18
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Last Update:
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2005-11-21
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Popularity:
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57,341 views
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Critical:
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Highly critical
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Impact:
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System access
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Where:
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From remote
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Solution Status:
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Vendor Patch
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| OS: | Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Server
Microsoft Windows Server 2003 Datacenter Edition
Microsoft Windows Server 2003 Enterprise Edition
Microsoft Windows Server 2003 Standard Edition
Microsoft Windows Server 2003 Web Edition
Microsoft Windows XP Embedded
Microsoft Windows XP Home Edition
Microsoft Windows XP Professional
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| Software: | Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 6.x
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Secunia CVSS-2 Score:
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| Advisory Content (Page 1 of 3) | [ 1 ] [ 2 ] [ 3 ] | |
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Description:
A vulnerability has been reported in Internet Explorer, which can be exploited by malicious people to compromise a vulnerable system.
The vulnerability is caused due to a memory corruption error when the "msdds.dll" (Microsoft DDS Library Shape Control) and other COM objects are instantiated in the Internet Explorer browser. For certain COM objects, e.g. "mdt2dd.dll" (Microsoft Design Tools PolyLine Control 2), the vulnerability is caused due to the failure of the memory allocator to zero the contents of heap memory allocated to new object instances. As a result, the object destructor may use the previous memory content as function pointers in its function calls.
Successful exploitation allows execution of arbitrary code, but requires that a user is tricked into visiting a malicious web site.
For a detailed list of affected COM objects, see the vendor advisory MS05-052.
NOTE: An exploit has been published.
Change Page:
[ 1 ] [ 2 ] [ 3 ]
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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