This exploit targets a denial-of-service (DoS) vulnerability in Inetserv 3.23 SMTP server by sending a malformed 'EXPN' command with an excessive number of format specifiers, causing the service to crash. The exploit establishes a connection to the SMTP service and sends the crafted payload without requiring authentication.
Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target:Inetserv 3.23
No auth needed
Prerequisites:Network access to the target SMTP service (port 25)