Security: WS-Rollenprüfung, JWT-Cookie statt localStorage, XSS/SSRF-Fixes, RDP-Consent-Secret
- WebSocket Shell/RDP: Rollenprüfung statt nur JWT-Gültigkeit (war: jeder eingeloggte User konnte fremde Agents per Shell/RDP übernehmen) - JWT_SECRET: Server bricht ab statt mit unsicherem Default weiterzulaufen - Auth: Token läuft jetzt über httpOnly-Cookie statt localStorage (XSS-Schutz gegen Session-Diebstahl) - WS-Auth: Token nicht mehr als URL-Query-Param (landete in nginx-Logs), sondern als erste Message bzw. automatisch via Cookie - Frontend: toter Rollen-Check (isSuperAdmin/isAdmin ohne Funktionsaufruf) in AgentDetailPage gefixt - XSS: DOMPurify-Sanitizing für alle marked.parse()-Renderstellen (KI-Antworten, Kommentare, Knowledge Base) - E-Mail: HTML-Escaping für alle ticket-gesteuerten Felder (auch über öffentliche Ticket-Route erreichbar) - SSRF-Schutz beim Knowledge-Base-URL-Import (blockt private/Loopback-Adressen) - TV-Dashboard: Shared-Key statt komplett offenem Endpoint - Striktes Rate-Limit auf /login, must_change_password serverseitig erzwungen - Agent (C#) v2.7.0: RDP-Consent/Disconnect/Capture verlangen jetzt ein Pro-Session-Secret (war: jeder lokale Prozess konnte Consent vortäuschen), DataDir-ACL für agent.log/status.json - FIDO-PINs AES-256-GCM-verschlüsselt statt Klartext, Retention-Job für alte patch_commands/audit_log Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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@@ -1,4 +1,5 @@
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using System.Net.Sockets;
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using System.Text;
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using System.Windows;
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using System.Windows.Media.Animation;
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@@ -7,14 +8,16 @@ namespace ITNexusAgent.UI;
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public partial class RdpActiveIndicatorWindow : Window
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{
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private readonly int _port;
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private readonly string _secret;
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private readonly DateTime _startedAt = DateTime.Now;
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private readonly System.Windows.Threading.DispatcherTimer _timer = new();
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private bool _signaled = false;
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public RdpActiveIndicatorWindow(int port)
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public RdpActiveIndicatorWindow(int port, string secret)
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{
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InitializeComponent();
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_port = port;
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_secret = secret;
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Loaded += (s, e) =>
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{
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@@ -47,8 +50,10 @@ public partial class RdpActiveIndicatorWindow : Window
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{
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using var tcp = new TcpClient();
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tcp.Connect("127.0.0.1", _port);
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tcp.GetStream().WriteByte(1);
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tcp.GetStream().Flush();
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var stream = tcp.GetStream();
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stream.Write(Encoding.ASCII.GetBytes(_secret));
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stream.WriteByte(1);
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stream.Flush();
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}
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catch { }
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}
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@@ -1,4 +1,5 @@
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using System.Net.Sockets;
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using System.Text;
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using System.Windows;
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namespace ITNexusAgent.UI;
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@@ -6,13 +7,15 @@ namespace ITNexusAgent.UI;
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public partial class RdpConsentWindow : Window
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{
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private readonly int _port;
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private readonly string _secret;
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private bool _answered = false;
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private System.Threading.CancellationTokenSource _countdownCts = new();
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public RdpConsentWindow(int port)
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public RdpConsentWindow(int port, string secret)
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{
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InitializeComponent();
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_port = port;
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_secret = secret;
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_ = RunCountdownAsync(_countdownCts.Token);
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}
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@@ -53,8 +56,10 @@ public partial class RdpConsentWindow : Window
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{
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using var tcp = new TcpClient();
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tcp.Connect("127.0.0.1", _port);
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tcp.GetStream().WriteByte((byte)(accepted ? 1 : 0));
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tcp.GetStream().Flush();
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var stream = tcp.GetStream();
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stream.Write(Encoding.ASCII.GetBytes(_secret));
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stream.WriteByte((byte)(accepted ? 1 : 0));
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stream.Flush();
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}
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catch { }
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}
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