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缺陷编号：wooyun-2013-042064

漏洞标题：敏感信息泄露系列#5 信息泄露导致UC论坛1100万用户信息告急

相关厂商：UC Mobile

漏洞作者： 猪猪侠

提交时间：2013-11-05 15:29

修复时间：2013-12-20 15:29

公开时间：2013-12-20 15:29

漏洞类型：敏感信息泄露

危害等级：高

自评Rank：20

漏洞状态：厂商已经确认

漏洞来源： http://www.wooyun.org，如有疑问或需要帮助请联系 [email protected]

Tags标签： 无

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分享漏洞：

漏洞详情

披露状态：

2013-11-05： 细节已通知厂商并且等待厂商处理中
2013-11-05： 厂商已经确认，细节仅向厂商公开
2013-11-15： 细节向核心白帽子及相关领域专家公开
2013-11-25： 细节向普通白帽子公开
2013-12-05： 细节向实习白帽子公开
2013-12-20： 细节向公众公开

简要描述：

由于没有一个通用标准的防御规则保护好中间件配置信息、DNS信息、业务数据信息、用户信息、源码备份文件、版本管理工具信息、系统错误信息和敏感地址信息(后台或测试地址)的泄露，攻击者可能会通过收集这些保护不足的数据，利用这些信息对系统实施进一步的攻击。

详细说明：

#1 信息泄露原因
由于UC论坛管理员在更新服务器文件时，未注意到编辑器会默认创建各种.bak文件用来规避错误编辑时引发的数据丢失风险，从而造成了更严重的信息安全问题。
#2 泄露地址
网站: http://bbs.uc.cn 存在信息泄露
网址：http://bbs.uc.cn/config/config_global.php.bak
网址：http://bbs.uc.cn/uc_server/data/config.inc.php.bak
#3 泄露内容

<?php
$_config = array();
// ---------------------------- CONFIG DB ----------------------------- //
$_config['db']['1']['dbhost'] = '10.**.***.***:3308';
$_config['db']['1']['dbuser'] = 'ultrax2';
$_config['db']['1']['dbpw'] = 'On**********SIN';
$_config['db']['1']['dbcharset'] = 'gbk';
$_config['db']['1']['pconnect'] = '0';
$_config['db']['1']['dbname'] = 'ultrax2';
$_config['db']['1']['tablepre'] = 'pre_';
//db156
$_config['db']['slave'] = array();
$_config['db']['slave']['1']['dbhost'] = '10.**.***.***:3301';
$_config['db']['slave']['1']['dbuser'] = 'ultrax2';
$_config['db']['slave']['1']['dbpw'] = 'On**********SIN';
$_config['db']['slave']['1']['dbcharset'] = 'gbk';
$_config['db']['slave']['1']['pconnect'] = '0';
$_config['db']['slave']['1']['dbname'] = 'ultrax2';
$_config['db']['slave']['1']['tablepre'] = 'pre_';
//db155
$_config['db']['slave']['2']['dbhost'] = '10.**.***.***:3301';
$_config['db']['slave']['2']['dbuser'] = 'ultrax2';
$_config['db']['slave']['2']['dbpw'] = 'On**********SIN';
$_config['db']['slave']['2']['dbcharset'] = 'gbk';
$_config['db']['slave']['2']['pconnect'] = '0';
$_config['db']['slave']['2']['dbname'] = 'ultrax2';
$_config['db']['slave']['2']['tablepre'] = 'pre_';
//db68
$_config['db']['slave']['4']['dbhost'] = '10.**.***.***:3308';
$_config['db']['slave']['4']['dbuser'] = 'ultrax2';
$_config['db']['slave']['4']['dbpw'] = 'On**********SIN';
$_config['db']['slave']['4']['dbcharset'] = 'gbk';
$_config['db']['slave']['4']['pconnect'] = '0';
$_config['db']['slave']['4']['dbname'] = 'ultrax2';
$_config['db']['slave']['4']['tablepre'] = 'pre_';
//db12
//$_config['db']['slave']['3']['dbhost'] = '10.**.**.**:3306';
//$_config['db']['slave']['3']['dbuser'] = 'ultrax2';
//$_config['db']['slave']['3']['dbpw'] = 'On**********SIN';
//$_config['db']['slave']['3']['dbcharset'] = 'gbk';
//$_config['db']['slave']['3']['pconnect'] = '0';
//$_config['db']['slave']['3']['dbname'] = 'ultrax2';
//$_config['db']['slave']['3']['tablepre'] = 'pre_';
//$_config['db']['slave']['2']['dbhost'] = 'xxx'; 
//$_config['db']['slave']['2']['dbuser'] = 'xxxxxx'; 
//...
$_config['db']['common']['slave_except_table'] = '';
// -------------------------- CONFIG MEMORY --------------------------- //
$_config['memory']['prefix'] = '5X07iz_';
$_config['memory']['eaccelerator'] = 1;
$_config['memory']['apc'] = 1;
$_config['memory']['xcache'] = 1;
$_config['memory']['memcache']['server'] = 'membbs.uc.local';
$_config['memory']['memcache']['port'] = 11312;
$_config['memory']['memcache']['pconnect'] = 1;
$_config['memory']['memcache']['timeout'] = 1;
// -------------------------- CONFIG SERVER --------------------------- //
$_config['server']['id'] = 2;
// ------------------------- CONFIG DOWNLOAD -------------------------- //
$_config['download']['readmod'] = 2;
$_config['download']['xsendfile']['type'] = '0';
$_config['download']['xsendfile']['dir'] = '/down/';
// --------------------------- CONFIG CACHE --------------------------- //
$_config['cache']['type'] = 'sql';
// -------------------------- CONFIG OUTPUT --------------------------- //
$_config['output']['charset'] = 'gbk';
$_config['output']['forceheader'] = 1;
$_config['output']['gzip'] = '0';
$_config['output']['tplrefresh'] = 1;
$_config['output']['language'] = 'zh_cn';
$_config['output']['staticurl'] = 'static/';
$_config['output']['ajaxvalidate'] = '1';
$_config['output']['iecompatible'] = '0';
// -------------------------- CONFIG COOKIE --------------------------- //
$_config['cookie']['cookiepre'] = 'r9xU_';
$_config['cookie']['cookiedomain'] = 'bbs.uc.cn';
//$_config['cookie']['cookiedomain'] = '';
$_config['cookie']['cookiepath'] = '/';
// ------------------------- CONFIG SECURITY -------------------------- //
$_config['security']['authkey'] = 'f914a1uE55KbvhE8';
$_config['security']['urlxssdefend'] = 1;
$_config['security']['attackevasive'] = '0';
$_config['security']['querysafe']['status'] = 1;
$_config['security']['querysafe']['dfunction']['0'] = 'load_file';
$_config['security']['querysafe']['dfunction']['1'] = 'hex';
$_config['security']['querysafe']['dfunction']['2'] = 'substring';
$_config['security']['querysafe']['dfunction']['3'] = 'if';
$_config['security']['querysafe']['dfunction']['4'] = 'ord';
$_config['security']['querysafe']['dfunction']['5'] = 'char';
$_config['security']['querysafe']['daction']['0'] = 'intooutfile';
$_config['security']['querysafe']['daction']['1'] = 'intodumpfile';
$_config['security']['querysafe']['daction']['2'] = 'unionselect';
$_config['security']['querysafe']['daction']['3'] = '(select';
$_config['security']['querysafe']['daction']['4'] = 'unionall';
$_config['security']['querysafe']['daction']['5'] = 'uniondistinct';
$_config['security']['querysafe']['dnote']['0'] = '/*';
$_config['security']['querysafe']['dnote']['1'] = '*/';
$_config['security']['querysafe']['dnote']['2'] = '#';
$_config['security']['querysafe']['dnote']['3'] = '--';
$_config['security']['querysafe']['dnote']['4'] = '"';
$_config['security']['querysafe']['dlikehex'] = 1;
$_config['security']['querysafe']['afullnote'] = '0';
// -------------------------- CONFIG ADMINCP -------------------------- //
// -------- Founders: $_config['admincp']['founder'] = '1,2,3'; --------- //
//$_config['admincp']['founder'] = '1,21***,42***,23***85';
$_config['admincp']['founder'] = '42***18';
$_config['admincp']['forcesecques'] = '0';
$_config['admincp']['checkip'] = 1;
$_config['admincp']['runquery'] = 1;
$_config['admincp']['dbimport'] = 1;
// -------------------------- CONFIG REMOTE --------------------------- //
$_config['remote']['on'] = '0';
$_config['remote']['dir'] = 'remote';
$_config['remote']['appkey'] = '62cf0b3c3e6a*******7216839721d8e';
$_config['remote']['cron'] = '0';
// ------------------- THE END -------------------- //
?>


:<?php 
define('UC_DBHOST', 'localhost');
define('UC_DBUSER', 'root');
define('UC_DBPW', 'root');
define('UC_DBNAME', 'discuz');
define('UC_DBCHARSET', 'gbk');
define('UC_DBTABLEPRE', 'pre_ucenter_');
define('UC_COOKIEPATH', '/');
define('UC_COOKIEDOMAIN', '');
define('UC_DBCONNECT', 0);
define('UC_CHARSET', 'gbk');
define('UC_FOUNDERPW', '61e067eea9*********482350ce271e8');
define('UC_FOUNDERSALT', 'I****8');
define('UC_KEY', 'ufP208Xdm5j6y3m***************3Mebfl2D0L2ofJf79k2K3zao9');
define('UC_SITEID', 'yfw2f8BdG5y6j3DcX2t5Yck***************fr2M0N29fjfs9y2M3SaP9');
define('UC_MYKEY', 'SfD2386d95g6s3qcV215Gcb1***********KfD2F0N2DfxfJ962t3Lab9');
define('UC_DEBUG', false);
define('UC_PPP', 20)

漏洞证明：

#4 漏洞证明 (有UC_KEY，Discuz等于可以做任何事)
详细利用方法参见： WooYun: 途牛网某服务配置失误 导致论坛敏感文件泄露(致使百万用户信息告急)
#5 证明细节(对于有些人你不发个SHELL出来，他们永远会觉得这不是安全问题！)
例如盛大： WooYun: 盛大某分站敏感配置文件泄露#1 可导致内网渗透
~！不要以为把admin.php加个登陆限制就没事了

bbs.uc.cn_shell.jpg


~！论坛用户数1100万，未深入测试uc.cn的统一用户接口，估计用户更多。

bbs.uc.cn_members_count.jpg


~！更深入的证明

bbs.uc.cn_member_info.jpg


修复方案：

#1 网络边界需要认真对待。
#2 杜绝为了方便而造成的不必要的信息泄露。
#3 安全是一个整体，保证安全不在于强大的地方有多强大，而在于真正薄弱的地方在哪里。

版权声明：转载请注明来源 猪猪侠@乌云

漏洞回应

厂商回应：

危害等级：高

漏洞Rank：20

确认时间：2013-11-05 16:36

厂商回复：

漏洞的确存在，已联系运维及研发处理，非常感谢猪猪侠提交的漏洞信息。

最新状态：

2013-11-05：漏洞已修改，再次感谢猪猪侠！

2013-11-05：漏洞已修复，再次感谢猪猪侠！