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Credit:
The original article can be found at: http://www.zerodayinitiative.com/advisories/ZDI-10-102/
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Vulnerable Systems:
* Microsoft Internet Explorer 8
User interaction is required in that a target must visit a malicious page. The specific flaw exists within IE's support for the CStyleSheet object. When a style sheet array is created it contains a reference to it's root container. If the stylesheet was created as part of an element not in a markup the root container can be freed when that element is destroyed. When the application attempts to use the stylesheet after this, an invalid pointer is utilized. This can be leveraged by attackers to execute arbitrary code under the context of the user running the browser.
Patch Availability:
Microsoft has issued an update to correct this vulnerability. More details can be found at:
http://www.microsoft.com/technet/security/bulletin/ms10-035.mspx
CVE Information:
CVE-2010-1262
Disclosure Timeline:
2010-03-26 - Vulnerability reported to vendor
2010-06-08 - Coordinated public release of advisory
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