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🛡️ Sentinel: [CRITICAL] Fix internal error leakage in 500 responses #262

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🛡️ Sentinel: [CRITICAL] Fix internal error leakage in 500 responses #262

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2 changes: 1 addition & 1 deletion src/auth/oauth-provider.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1985,7 +1985,7 @@ describe('ExternalOAuthProvider', () => {
await provider.handleCallback(mockReq, mockRes);

expect(mockRes.status).toHaveBeenCalledWith(500);
expect(mockRes.send).toHaveBeenCalledWith('Internal Server Error during token exchange');
expect(mockRes.send).toHaveBeenCalledWith(expect.stringMatching(/^Internal error \(correlation ID: [a-f0-9-]+\)$/));
});
});

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6 changes: 4 additions & 2 deletions src/auth/oauth-provider.ts
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Expand Up @@ -40,6 +40,7 @@ import { SSRFValidator } from '../security/ssrf-validator.js';
import { parseOAuthMetadataEndpoints } from './oauth-metadata.js';
import { InMemoryClientsStore } from './client-store/in-memory-clients-store.js';
import { isApprovedUnregisteredClientRedirectUri } from './unregistered-client-redirect-policy.js';
import { generateCorrelationId } from '../core/errors.js';
export { InMemoryClientsStore };
export type { InMemoryClientsStoreOptions } from './client-store/types.js';

Expand Down Expand Up @@ -867,8 +868,9 @@ export class ExternalOAuthProvider implements OAuthServerProvider {
res.redirect(clientUrl.toString());

} catch (err) {
this.logger.error('Callback handling failed', err as Error);
res.status(500).send('Internal Server Error during token exchange');
const correlationId = generateCorrelationId();
this.logger.error('Callback handling failed', err as Error, { correlationId });
res.status(500).send(`Internal error (correlation ID: ${correlationId})`);
}
}

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8 changes: 4 additions & 4 deletions src/transport/http-transport-security.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -692,7 +692,7 @@ describe('HttpTransport security behavior (no listen)', () => {
await handler(req, res);

expect(res.statusCode).toBe(500);
expect(String(res.body)).toContain('OAuth authorization failed');
expect(String(res.body)).toMatch(/^Internal error \(correlation ID: [a-f0-9-]+\)$/);

await transport.stop();
});
Expand Down Expand Up @@ -1378,7 +1378,7 @@ describe('HttpTransport security behavior (no listen)', () => {
await handler(req, res);

expect(res.statusCode).toBe(500);
expect(String(res.body)).toContain('OAuth callback failed');
expect(String(res.body)).toMatch(/^Internal error \(correlation ID: [a-f0-9-]+\)$/);

await transport.stop();
});
Expand Down Expand Up @@ -1592,7 +1592,7 @@ describe('HttpTransport security behavior (no listen)', () => {
await handler(req, res);

expect(res.statusCode).toBe(500);
expect(res.body).toMatchObject({ error: 'server_error', error_description: 'Registration failed' });
expect(res.body).toMatchObject({ error: 'server_error', error_description: expect.stringMatching(/^Internal error \(correlation ID: [a-f0-9-]+\)$/) });

await transport.stop();
});
Expand Down Expand Up @@ -1724,7 +1724,7 @@ describe('HttpTransport security behavior (no listen)', () => {
await handler(req, res);

expect(res.statusCode).toBe(500);
expect(res.body).toMatchObject({ error: 'server_error', error_description: 'Registration failed' });
expect(res.body).toMatchObject({ error: 'server_error', error_description: expect.stringMatching(/^Internal error \(correlation ID: [a-f0-9-]+\)$/) });

await transport.stop();
});
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2 changes: 1 addition & 1 deletion src/transport/http-transport.test.ts
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Expand Up @@ -2340,7 +2340,7 @@ describeIfListen('HttpTransport', () => {
.query({ code: 'test-code' });

expect(response.status).toBe(500);
expect(response.text).toBe('OAuth callback failed');
expect(response.text).toMatch(/^Internal error \(correlation ID: [a-f0-9-]+\)$/);
});
});

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29 changes: 18 additions & 11 deletions src/transport/http-transport.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -1625,10 +1625,11 @@ export class HttpTransport {
try {
profiles = await this.profileIndexProvider();
} catch (error) {
this.logger.error('Failed to load profile index', error instanceof Error ? error : new Error(String(error)));
const correlationId = generateCorrelationId();
this.logger.error('Failed to load profile index', error instanceof Error ? error : new Error(String(error)), { correlationId });
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).json({
error: 'Internal Server Error',
message: 'Failed to load profile index',
message: `Internal error (correlation ID: ${correlationId})`,
});
return;
}
Expand Down Expand Up @@ -1814,8 +1815,9 @@ export class HttpTransport {

await profileState.oauthProvider.authorize(client, params, res);
} catch (error) {
this.logger.error('OAuth authorize error', error instanceof Error ? error : new Error(String(error)));
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).send('OAuth authorization failed');
const correlationId = generateCorrelationId();
this.logger.error('OAuth authorize error', error instanceof Error ? error : new Error(String(error)), { correlationId });
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).send(`Internal error (correlation ID: ${correlationId})`);
}
}

Expand Down Expand Up @@ -2077,9 +2079,10 @@ export class HttpTransport {

await profileState.oauthProvider.handleCallback(req, res);
} catch (error) {
this.logger.error('OAuth callback error', error instanceof Error ? error : new Error(String(error)));
const correlationId = generateCorrelationId();
this.logger.error('OAuth callback error', error instanceof Error ? error : new Error(String(error)), { correlationId });
if (!res.headersSent) {
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).send('OAuth callback failed');
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).send(`Internal error (correlation ID: ${correlationId})`);
}
}
}
Expand Down Expand Up @@ -2113,8 +2116,9 @@ export class HttpTransport {
};
res.json(buildAuthorizationServerMetadata(metadata, profileState.context.enterpriseAuthorization));
} catch (error) {
this.logger.error('OAuth authorization server metadata error', error instanceof Error ? error : new Error(String(error)));
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).send('OAuth metadata failed');
const correlationId = generateCorrelationId();
this.logger.error('OAuth authorization server metadata error', error instanceof Error ? error : new Error(String(error)), { correlationId });
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).send(`Internal error (correlation ID: ${correlationId})`);
}
}

Expand Down Expand Up @@ -2180,8 +2184,9 @@ export class HttpTransport {
return;
}

this.logger.error('Client registration failed', error instanceof Error ? error : new Error(String(error)));
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).json({ error: 'server_error', error_description: 'Registration failed' });
const correlationId = generateCorrelationId();
this.logger.error('Client registration failed', error instanceof Error ? error : new Error(String(error)), { correlationId });
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).json({ error: 'server_error', error_description: `Internal error (correlation ID: ${correlationId})` });
}
}

Expand Down Expand Up @@ -2690,7 +2695,9 @@ export class HttpTransport {
// If contains requests, process and return response
if (messageType === 'request') {
if (!this.messageHandler) {
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).json({ error: 'Internal Server Error', message: 'Message handler not configured' });
const correlationId = generateCorrelationId();
this.logger.error('Message handler not configured', undefined, { correlationId });
res.status(HTTP_STATUS.INTERNAL_SERVER_ERROR).json({ error: 'Internal Server Error', message: `Internal error (correlation ID: ${correlationId})` });
return;
}

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