CVE-2002-1827

This exploit demonstrates a denial-of-service (DoS) vulnerability in Sendmail by acquiring exclusive locks on critical files required for its operation. The code forks a child process that locks three key files and enters an infinite loop, preventing Sendmail from accessing them.

This exploit leverages a denial-of-service vulnerability in Sendmail by locking the /etc/mail/aliases.db file. The shellcode is designed to create an exclusive lock on the file, preventing Sendmail from accessing it and causing a DoS condition.