At 04:13 UTC, he began the upload:

Exploits for these versions are built into automated tools like Metasploit, making it trivial for even "script kiddies" to compromise the server. Mitigation The only professional recommendation for MySQL 5.0.12 is an immediate upgrade

He reconnected a fresh session—no need to restart the service, a quirk of the UDF loading mechanism in this version. Then he issued the command that changed everything:

To appreciate the exploit, we must first understand the environment. In late 2005: