security: Audit-Log für alle Klartext-Passwort-Reads (CRITICAL)
Pentest-Finding "Klartext-Passwörter über API abrufbar (HIGH, post-auth)" adressiert: reversible Verschlüsselung der Anbieter-/Portal-Logins ist by-design (Feature "Login anzeigen" braucht sie zwingend), aber jeder einzelne Decrypt-Vorgang muss im Audit-Log nachvollziehbar sein. Bisher schrieb KEINER der 6 betroffenen Endpoints einen Eintrag. Behoben in: - getPortalPassword (Customer-Portal-Login) - getContractPassword (Anbieter-Login z.B. Vattenfall, EWE, …) - getSimCardCredentials (PIN/PUK) - getInternetCredentials (DSL-Login) - getSipCredentials (Telefon-/VoIP-Login) - getMailboxCredentials (Stressfrei-IMAP/SMTP) Alle nutzen `action: 'READ'` mit eigenem ResourceType + Sensitivity CRITICAL via determineSensitivity-Map. Label nennt explizit "Klartext … entschlüsselt" + Resource-ID, damit im AuditLog-Viewer auf einen Blick erkennbar ist, wer wann welches Passwort eingesehen hat (DSGVO + Insider-Threat-Erkennung). Live verifiziert: nach Klick auf getPortalPassword erscheint im AuditLog der Eintrag "READ PortalPassword CRITICAL – Klartext-Portal- Passwort von Kunde #1 entschlüsselt". Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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@@ -8,6 +8,7 @@ import { sendEmail, SmtpCredentials, SendEmailParams, EmailAttachment } from '..
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import { fetchAttachment, appendToSent, ImapCredentials } from '../services/imapService.js';
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import { getImapSmtpSettings } from '../services/emailProvider/emailProviderService.js';
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import { decrypt } from '../utils/encryption.js';
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import { logChange } from '../services/audit.service.js';
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import { ApiResponse } from '../types/index.js';
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import { getCustomerTargets, getContractTargets, getIdentityDocumentTargets, getBankCardTargets, documentTargets } from '../config/documentTargets.config.js';
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import { generateEmailPdf } from '../services/pdfService.js';
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@@ -733,6 +734,15 @@ export async function getMailboxCredentials(req: Request, res: Response): Promis
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// IMAP/SMTP-Einstellungen laden
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const settings = await getImapSmtpSettings();
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// Klartext-Mailbox-Passwort-Read auditieren (CRITICAL)
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await logChange({
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req,
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action: 'READ',
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resourceType: 'MailboxCredentials',
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resourceId: id.toString(),
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label: `Klartext-Mailbox-Zugangsdaten von ${stressfreiEmail.email} entschlüsselt`,
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});
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res.json({
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success: true,
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data: {
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@@ -321,6 +321,14 @@ export async function getContractPassword(req: AuthRequest, res: Response): Prom
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} as ApiResponse);
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return;
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}
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// Klartext-Passwort-Read auditieren (CRITICAL)
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await logChange({
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req,
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action: 'READ',
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resourceType: 'ContractPassword',
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resourceId: contractId.toString(),
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label: `Klartext-Anbieter-Passwort von Vertrag #${contractId} entschlüsselt`,
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});
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res.json({ success: true, data: { password } } as ApiResponse);
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} catch (error) {
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res.status(500).json({
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@@ -345,6 +353,14 @@ export async function getSimCardCredentials(req: AuthRequest, res: Response): Pr
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if (!(await canAccessContract(req, res, sim.mobileDetails.contractId))) return;
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const credentials = await contractService.getSimCardCredentials(simCardId);
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// Klartext-Read (PIN/PUK) auditieren (CRITICAL)
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await logChange({
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req,
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action: 'READ',
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resourceType: 'SimCardCredentials',
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resourceId: simCardId.toString(),
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label: `Klartext-SIM-Karten-PIN/PUK von SIM #${simCardId} (Vertrag #${sim.mobileDetails.contractId}) entschlüsselt`,
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});
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res.json({ success: true, data: credentials } as ApiResponse);
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} catch (error) {
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res.status(500).json({
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@@ -360,6 +376,14 @@ export async function getInternetCredentials(req: AuthRequest, res: Response): P
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if (!(await canAccessContract(req, res, contractId))) return;
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const credentials = await contractService.getInternetCredentials(contractId);
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// Klartext-DSL/Internet-Login auditieren (CRITICAL)
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await logChange({
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req,
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action: 'READ',
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resourceType: 'InternetCredentials',
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resourceId: contractId.toString(),
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label: `Klartext-Internet-Zugangsdaten von Vertrag #${contractId} entschlüsselt`,
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});
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res.json({ success: true, data: credentials } as ApiResponse);
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} catch (error) {
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res.status(500).json({
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@@ -384,6 +408,14 @@ export async function getSipCredentials(req: AuthRequest, res: Response): Promis
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if (!(await canAccessContract(req, res, phone.internetDetails.contractId))) return;
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const credentials = await contractService.getSipCredentials(phoneNumberId);
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// Klartext-SIP/Telefon-Login auditieren (CRITICAL)
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await logChange({
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req,
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action: 'READ',
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resourceType: 'SipCredentials',
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resourceId: phoneNumberId.toString(),
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label: `Klartext-SIP-Zugangsdaten von Rufnummer #${phoneNumberId} (Vertrag #${phone.internetDetails.contractId}) entschlüsselt`,
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});
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res.json({ success: true, data: credentials } as ApiResponse);
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} catch (error) {
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res.status(500).json({
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@@ -986,7 +986,19 @@ export async function setPortalPassword(req: Request, res: Response): Promise<vo
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export async function getPortalPassword(req: Request, res: Response): Promise<void> {
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try {
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const password = await authService.getCustomerPortalPassword(parseInt(req.params.customerId));
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const customerId = parseInt(req.params.customerId);
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const password = await authService.getCustomerPortalPassword(customerId);
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// Klartext-Passwort-Read auditieren (CRITICAL): wer hat wann das Portal-
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// Passwort eines Kunden entschlüsselt? Wichtig für DSGVO-Nachvollziehbarkeit
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// + Insider-Threat-Erkennung.
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await logChange({
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req,
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action: 'READ',
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resourceType: 'PortalPassword',
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resourceId: customerId.toString(),
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label: `Klartext-Portal-Passwort von Kunde #${customerId} entschlüsselt`,
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customerId,
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});
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res.json({ success: true, data: { password } } as ApiResponse);
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} catch (error) {
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res.status(500).json({
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@@ -112,6 +112,13 @@ function determineSensitivity(resourceType: string): AuditSensitivity {
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Authentication: 'CRITICAL',
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BankCard: 'CRITICAL',
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IdentityDocument: 'CRITICAL',
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// Klartext-Passwort-Reads – jeder Decrypt-Vorgang muss nachvollziehbar sein
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PortalPassword: 'CRITICAL',
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ContractPassword: 'CRITICAL',
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SimCardCredentials: 'CRITICAL',
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InternetCredentials: 'CRITICAL',
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SipCredentials: 'CRITICAL',
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MailboxCredentials: 'CRITICAL',
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// HIGH
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Customer: 'HIGH',
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User: 'HIGH',
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@@ -97,6 +97,23 @@ isolierte Instanz (keine Multi-Tenancy im Code), Provisioning + Abrechnung
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## ✅ Erledigt
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- [x] **🔒 Audit-Log für alle Klartext-Passwort-Reads**
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- Pentest-Finding „Klartext-Passwörter über API abrufbar (HIGH,
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post-auth)" → reversible Verschlüsselung ist by-design (Feature
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„Anbieter-Login anzeigen" braucht es), aber jeder Decrypt-Vorgang
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sollte im Audit-Log auftauchen. Bisher: keiner der 6 Endpoints
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schrieb ein Log.
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- Audit-Logs jetzt für: `getPortalPassword`, `getContractPassword`,
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`getSimCardCredentials`, `getInternetCredentials`,
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`getSipCredentials`, `getMailboxCredentials`.
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- `action: 'READ'`, eigene Resource-Types (PortalPassword,
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ContractPassword, SimCardCredentials, InternetCredentials,
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SipCredentials, MailboxCredentials), alle mit `sensitivity:
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CRITICAL` über die Sensitivity-Map.
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- Label nennt explizit „Klartext … entschlüsselt" + Ressourcen-ID,
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damit im Audit-Log-Viewer auf einen Blick erkennbar ist, was
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passiert ist (DSGVO-Nachvollziehbarkeit + Insider-Threat-Erkennung).
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- [x] **↗ E-Mail-Postfach: Weiterleiten + Erneut senden**
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- **Weiterleiten** (Compose-Modal-Erweiterung): neuer Button im
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EmailDetail öffnet das ComposeEmailModal im Forward-Modus –
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