After a long time without activity on this blog, today I suggest you a little talk about CVE-2010-3970. Here is a little description of the security hole:

Stack-based buffer overflow in the CreateSizedDIBSECTION function in shimgvw.dll in the Windows Shell graphics processor (aka graphics rendering engine) in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, and Server 2008 Gold and SP2 allows remote attackers to execute arbitrary code via a crafted .MIC or unspecified Office document containing a thumbnail bitmap with a negative biClrUsed value, as reported by Moti and Xu Hao, aka « Windows Shell Graphics Processing Overrun Vulnerability. » – http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-3970

So, you will see how I broke DEP and SafeSEH in Windows XP SP2 with ROP. I hope you will enjoy it : CVE-2010-3970_Demystified.pdf.

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