Located in ext/standard/quot_print.c within the php_quot_print_encode function, allowing for remote code execution (RCE).
Deploy a rule to block the signature of the "new" GitHub exploit: alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"PHP 5416 Heap Spray Attempt"; content:"?0=1%0a"; http_uri; within:1000; sid:9005416;) php 5416 exploit github new
securely.
Modify your location ~ .php$ block:
To protect yourself from the PHP 5416 exploit, follow these best practices: Located in ext/standard/quot_print
Thanks.