--TEST-- GHSA-h35g-vwh6-m678 (mysqlnd leaks partial content of the heap - tabular default) --EXTENSIONS-- mysqli --FILE-- wait(); $conn = new mysqli($servername, $username, $password, "", $port); echo "[*] Running query on the fake server...\n"; $result = $conn->query("SELECT * from users"); if ($result) { $all_fields = $result->fetch_fields(); var_dump($result->fetch_all(MYSQLI_ASSOC)); var_dump(get_object_vars($all_fields[0])["def"]); } $conn->close(); $process->terminate(); print "done!"; ?> --EXPECTF-- [*] Server started [*] Connection established [*] Sending - Server Greeting: 580000000a352e352e352d31302e352e31382d4d6172696144420003000000473e3f6047257c6700fef7080200ff81150000000000000f0000006c6b55463f49335f686c6431006d7973716c5f6e61746976655f70617373776f7264 [*] Received: 6900000185a21a00000000c0080000000000000000000000000000000000000000000000726f6f7400006d7973716c5f6e61746976655f70617373776f7264002c0c5f636c69656e745f6e616d65076d7973716c6e640c5f7365727665725f686f7374093132372e302e302e31 [*] Sending - Server OK: 0700000200000002000000 [*] Running query on the fake server... [*] Received: 140000000353454c454354202a2066726f6d207573657273 [*] Sending - Malicious Tabular Response [Extract heap through buffer over-read]: 01000001011e0000020164016401640164016401640c3f000b000000030350000000fd000001aa05000003fe00002200040000040135017405000005fe00002200 Warning: mysqli::query(): Protocol error. Server sent default for unsupported field list (mysqlnd_wireprotocol.c:%d) in %s on line %d done!