CVE-1999-0144

This exploit code demonstrates a denial-of-service (DoS) attack against qmail by exhausting memory resources through an infinite loop of RCPT commands. It establishes an SMTP connection and repeatedly sends recipient commands to crash the server.

This Perl script exploits a denial-of-service vulnerability in qmail by sending an excessive number of RCPT TO commands, exhausting dynamically allocated memory. The attack requires no authentication and targets qmail SMTP servers without resource limits.