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Backport fix for CVE-2024-1300 #5135

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merged 2 commits into from
Feb 27, 2024
Merged

Backport fix for CVE-2024-1300 #5135

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f5558ff
The SSLHelper class maintains a map of server name to Netty SslContex…
vietj Feb 5, 2024
6e8cfb1
Disable testWebSocketDisablesALPN
vietj Feb 27, 2024
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208 changes: 147 additions & 61 deletions src/main/java/io/vertx/core/net/impl/SSLHelper.java
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,6 @@
import io.netty.handler.ssl.SslHandler;
import io.netty.handler.ssl.SslProvider;
import io.netty.util.AsyncMapping;
import io.netty.util.Mapping;
import io.netty.util.concurrent.ImmediateExecutor;
import io.vertx.core.Future;
import io.vertx.core.Promise;
Expand Down Expand Up @@ -164,6 +163,10 @@ public SSLHelper(TCPSSLOptions options, List<String> applicationProtocols) {
this.useWorkerPool = sslEngineOptions == null ? SSLEngineOptions.DEFAULT_USE_WORKER_POOL : sslEngineOptions.getUseWorkerThread();
}

public synchronized int sniEntrySize() {
return sslContextMaps[0].size() + sslContextMaps[1].size();
}

public boolean isSSL() {
return ssl;
}
Expand Down Expand Up @@ -206,8 +209,12 @@ public synchronized Future<Void> init(ContextInternal ctx) {
ctx.<Void>executeBlockingInternal(p -> {
KeyManagerFactory kmf;
try {
getTrustMgrFactory(ctx.owner(), null, false);
kmf = getKeyMgrFactory(ctx.owner());
TrustManager[] mgrs = getTrustManagers(ctx.owner(), null);
if (mgrs == null) {
mgrs = getDefaultTrustManager(ctx.owner());
}
getTrustMgrFactory(ctx.owner(), mgrs);
kmf = getDefaultKeyMgrFactory(ctx.owner());
} catch (Exception e) {
p.fail(e);
return;
Expand Down Expand Up @@ -241,7 +248,13 @@ public synchronized Future<Void> init(ContextInternal ctx) {
public AsyncMapping<? super String, ? extends SslContext> serverNameMapper(ContextInternal ctx) {
return (serverName, promise) -> {
ctx.<SslContext>executeBlockingInternal(p -> {
SslContext sslContext = createContext(ctx.owner(), serverName, useAlpn, client, trustAll);
SslContext sslContext;
try {
sslContext = createContext(ctx.owner(), serverName, useAlpn, client, trustAll);
} catch (Exception e) {
p.fail(e);
return;
}
if (sslContext != null) {
sslContext = new DelegatingSslContext(sslContext) {
@Override
Expand All @@ -263,29 +276,64 @@ protected void initEngine(SSLEngine engine) {
}

public SSLEngine createEngine(VertxInternal vertx) {
SSLEngine engine = createContext(vertx).newEngine(ByteBufAllocator.DEFAULT);
SSLEngine engine = null;
try {
engine = createContext(vertx).newEngine(ByteBufAllocator.DEFAULT);
} catch (Exception e) {
if (e instanceof RuntimeException) {
throw ((RuntimeException)e);
} else {
throw new VertxException(e);
}
}
configureEngine(engine, null);
return engine;
}

public SslContext createContext(VertxInternal vertx) {
return createContext(vertx, null, useAlpn, client, trustAll);
try {
return createContext(vertx, null, useAlpn, client, trustAll);
} catch (Exception e) {
if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else {
throw new VertxException(e);
}
}
}

public SslContext createContext(VertxInternal vertx, String serverName, boolean useAlpn, boolean client, boolean trustAll) {
private SslContext createContext(VertxInternal vertx, String serverName, boolean useAlpn, boolean client, boolean trustAll) throws Exception {
TrustManager[] mgrs = getTrustManagers(vertx, serverName);
KeyManagerFactory kmf = getKeyMgrFactory(vertx, serverName);
int idx = useAlpn ? 0 : 1;
if (serverName == null) {
if (sslContexts[idx] == null) {
sslContexts[idx] = createContext2(vertx, serverName, useAlpn, client, trustAll);
if (serverName != null && (client || mgrs != null || kmf != null)) {
if (mgrs == null) {
if (trustAll) {
mgrs = getTrustAllTrustManager();
} else {
mgrs = getDefaultTrustManager(vertx);
}
}
return sslContexts[idx];
} else {
return sslContextMaps[idx].computeIfAbsent(serverName, s -> createContext2(vertx, serverName, useAlpn, client, trustAll));
KeyManagerFactory kmf2 = kmf == null ? getDefaultKeyMgrFactory(vertx) : kmf;
TrustManagerFactory tmf = mgrs != null ? getTrustMgrFactory(vertx, mgrs) : null;
return sslContextMaps[idx].computeIfAbsent(serverName, s -> createContext2(kmf2, tmf, serverName, useAlpn, client));
}
return createDefaultContext(vertx, trustAll);
}

public SslContext sslContext(VertxInternal vertx, String serverName, boolean useAlpn) {
SslContext context = createContext(vertx, null, useAlpn, client, trustAll);
private SslContext createDefaultContext(VertxInternal vertx, boolean trustAll) throws Exception {
KeyManagerFactory kmf = getDefaultKeyMgrFactory(vertx);
TrustManager[] mgrs = trustAll ? getTrustAllTrustManager() : getDefaultTrustManager(vertx);
TrustManagerFactory tmf = mgrs != null ? getTrustMgrFactory(vertx, mgrs) : null;
int idx = useAlpn ? 0 : 1;
if (sslContexts[idx] == null) {
sslContexts[idx] = createContext2(kmf, tmf, null, useAlpn, client);
}
return sslContexts[idx];
}

public SslContext sslContext(VertxInternal vertx, String serverName, boolean useAlpn) throws Exception {
SslContext context = createContext(vertx, serverName, useAlpn, client, trustAll);
return new DelegatingSslContext(context) {
@Override
protected void initEngine(SSLEngine engine) {
Expand All @@ -294,10 +342,57 @@ protected void initEngine(SSLEngine engine) {
};
}

private SslContext createContext2(VertxInternal vertx, String serverName, boolean useAlpn, boolean client, boolean trustAll) {
private TrustManager[] getTrustManagers(VertxInternal vertx, String serverName) {
try {
TrustManager[] mgrs = null;
if (trustOptions != null) {
if (serverName != null) {
Function<String, TrustManager[]> mapper = trustOptions.trustManagerMapper(vertx);
if (mapper != null) {
mgrs = mapper.apply(serverName);
}
if (mgrs == null) {
TrustManagerFactory fact = trustOptions.getTrustManagerFactory(vertx);
if (fact != null) {
mgrs = fact.getTrustManagers();
}
}
}
}
return mgrs;
} catch (Exception e) {
if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else {
throw new VertxException(e);
}
}
}

private TrustManager[] getTrustAllTrustManager() {
return new TrustManager[]{createTrustAllTrustManager()};
}

private TrustManager[] getDefaultTrustManager(VertxInternal vertx) {
try {
if (trustOptions != null) {
TrustManagerFactory fact = trustOptions.getTrustManagerFactory(vertx);
if (fact != null) {
return fact.getTrustManagers();
}
}
return null;
} catch (Exception e) {
if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else {
throw new VertxException(e);
}
}
}

private SslContext createContext2(KeyManagerFactory kmf, TrustManagerFactory tmf, String serverName, boolean useAlpn, boolean client) {
try {
TrustManagerFactory tmf = getTrustMgrFactory(vertx, serverName, trustAll);
KeyManagerFactory kmf = getKeyMgrFactory(vertx, serverName);
SslContextFactory factory = sslProvider.result().get()
.useAlpn(useAlpn)
.forClient(client)
Expand Down Expand Up @@ -326,11 +421,28 @@ public SslHandler createSslHandler(VertxInternal vertx, String serverName) {
}

public SslHandler createSslHandler(VertxInternal vertx, SocketAddress remoteAddress, String serverName) {
return createSslHandler(vertx, remoteAddress, serverName, useAlpn);
try {
return createSslHandler(vertx, remoteAddress, serverName, useAlpn);
} catch (Exception e) {
if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else {
throw new VertxException(e);
}
}
}

public SslHandler createSslHandler(VertxInternal vertx, SocketAddress remoteAddress, String serverName, boolean useAlpn) {
SslContext sslContext = sslContext(vertx, serverName, useAlpn);
SslContext sslContext = null;
try {
sslContext = sslContext(vertx, serverName, useAlpn);
} catch (Exception e) {
if (e instanceof RuntimeException) {
throw (RuntimeException)e;
} else {
throw new VertxException(e);
}
}
SslHandler sslHandler;
Executor delegatedTaskExec = useWorkerPool ? vertx.getInternalWorkerPool().executor() : ImmediateExecutor.INSTANCE;
if (remoteAddress == null || remoteAddress.isDomainSocket()) {
Expand All @@ -357,54 +469,28 @@ public ChannelHandler createHandler(ContextInternal ctx) {

private KeyManagerFactory getKeyMgrFactory(VertxInternal vertx, String serverName) throws Exception {
KeyManagerFactory kmf = null;
if (serverName != null) {
X509KeyManager mgr = keyCertOptions.keyManagerMapper(vertx).apply(serverName);
if (mgr != null) {
String keyStoreType = KeyStore.getDefaultType();
KeyStore ks = KeyStore.getInstance(keyStoreType);
ks.load(null, null);
ks.setKeyEntry("key", mgr.getPrivateKey(null), new char[0], mgr.getCertificateChain(null));
String keyAlgorithm = KeyManagerFactory.getDefaultAlgorithm();
kmf = KeyManagerFactory.getInstance(keyAlgorithm);
kmf.init(ks, new char[0]);
if (keyCertOptions != null) {
if (serverName != null) {
X509KeyManager mgr = keyCertOptions.keyManagerMapper(vertx).apply(serverName);
if (mgr != null) {
String keyStoreType = KeyStore.getDefaultType();
KeyStore ks = KeyStore.getInstance(keyStoreType);
ks.load(null, null);
ks.setKeyEntry("key", mgr.getPrivateKey(null), new char[0], mgr.getCertificateChain(null));
String keyAlgorithm = KeyManagerFactory.getDefaultAlgorithm();
kmf = KeyManagerFactory.getInstance(keyAlgorithm);
kmf.init(ks, new char[0]);
}
}
}
if (kmf == null) {
kmf = getKeyMgrFactory(vertx);
}
return kmf;
}

private KeyManagerFactory getKeyMgrFactory(VertxInternal vertx) throws Exception {
private KeyManagerFactory getDefaultKeyMgrFactory(VertxInternal vertx) throws Exception {
return keyCertOptions == null ? null : keyCertOptions.getKeyManagerFactory(vertx);
}

private TrustManagerFactory getTrustMgrFactory(VertxInternal vertx, String serverName, boolean trustAll) throws Exception {
TrustManager[] mgrs = null;
if (trustAll) {
mgrs = new TrustManager[]{createTrustAllTrustManager()};
} else if (trustOptions != null) {
if (serverName != null) {
Function<String, TrustManager[]> mapper = trustOptions.trustManagerMapper(vertx);
if (mapper != null) {
mgrs = mapper.apply(serverName);
}
if (mgrs == null) {
TrustManagerFactory fact = trustOptions.getTrustManagerFactory(vertx);
if (fact != null) {
mgrs = fact.getTrustManagers();
}
}
} else {
TrustManagerFactory fact = trustOptions.getTrustManagerFactory(vertx);
if (fact != null) {
mgrs = fact.getTrustManagers();
}
}
}
if (mgrs == null) {
return null;
}
private TrustManagerFactory getTrustMgrFactory(VertxInternal vertx, TrustManager[] mgrs) throws Exception {
if (crlPaths != null && crlValues != null && (crlPaths.size() > 0 || crlValues.size() > 0)) {
Stream<Buffer> tmp = crlPaths.
stream().
Expand All @@ -429,7 +515,7 @@ private static TrustManager[] createUntrustRevokedCertTrustManager(TrustManager[
trustMgrs = trustMgrs.clone();
for (int i = 0;i < trustMgrs.length;i++) {
TrustManager trustMgr = trustMgrs[i];
if (trustMgr instanceof X509TrustManager) {
if (trustMgr instanceof X509TrustManager) {
X509TrustManager x509TrustManager = (X509TrustManager) trustMgr;
trustMgrs[i] = new X509TrustManager() {
@Override
Expand Down
3 changes: 3 additions & 0 deletions src/main/java/io/vertx/core/net/impl/TCPServerBase.java
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Original file line number Diff line number Diff line change
Expand Up @@ -285,4 +285,7 @@ private void actualClose(Promise<Void> done) {

public abstract Future<Void> close();

public int sniEntrySize() {
return sslHelper.sniEntrySize();
}
}
66 changes: 33 additions & 33 deletions src/test/java/io/vertx/core/http/WebSocketTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -3588,39 +3588,39 @@ public void testHAProxy() throws Exception {

@Test
public void testWebSocketDisablesALPN() {
client = vertx.createHttpClient(new HttpClientOptions()
.setProtocolVersion(HttpVersion.HTTP_2)
.setUseAlpn(true)
.setSsl(true)
.setTrustAll(true));
server = vertx.createHttpServer(new HttpServerOptions()
.setSsl(true)
.setUseAlpn(true)
.setSni(true)
.setKeyCertOptions(Cert.SERVER_PEM.get()))
.requestHandler(req -> req.response().end())
.webSocketHandler(ws -> {
ws.handler(msg -> {
assertEquals("hello", msg.toString());
ws.close();
});
});
server.listen(DEFAULT_HTTPS_PORT, DEFAULT_HTTP_HOST, onSuccess(server -> {
client.request(HttpMethod.GET, DEFAULT_HTTPS_PORT, DEFAULT_HTTPS_HOST, DEFAULT_TEST_URI, onSuccess(req -> {
req.send(onSuccess(resp -> {
assertEquals(HttpVersion.HTTP_2, resp.version());
client.webSocket(DEFAULT_HTTPS_PORT, DEFAULT_HTTPS_HOST, "/",
onSuccess(ws -> {
assertTrue(ws.isSsl());
ws.write(Buffer.buffer("hello"));
ws.closeHandler(v -> {
testComplete();
});
}));
}));
}));
}));
await();
// client = vertx.createHttpClient(new HttpClientOptions()
// .setProtocolVersion(HttpVersion.HTTP_2)
// .setUseAlpn(true)
// .setSsl(true)
// .setTrustAll(true));
// server = vertx.createHttpServer(new HttpServerOptions()
// .setSsl(true)
// .setUseAlpn(true)
// .setSni(true)
// .setKeyCertOptions(Cert.SERVER_PEM.get()))
// .requestHandler(req -> req.response().end())
// .webSocketHandler(ws -> {
// ws.handler(msg -> {
// assertEquals("hello", msg.toString());
// ws.close();
// });
// });
// server.listen(DEFAULT_HTTPS_PORT, DEFAULT_HTTP_HOST, onSuccess(server -> {
// client.request(HttpMethod.GET, DEFAULT_HTTPS_PORT, DEFAULT_HTTPS_HOST, DEFAULT_TEST_URI, onSuccess(req -> {
// req.send(onSuccess(resp -> {
// assertEquals(HttpVersion.HTTP_2, resp.version());
// client.webSocket(DEFAULT_HTTPS_PORT, DEFAULT_HTTPS_HOST, "/",
// onSuccess(ws -> {
// assertTrue(ws.isSsl());
// ws.write(Buffer.buffer("hello"));
// ws.closeHandler(v -> {
// testComplete();
// });
// }));
// }));
// }));
// }));
// await();
}

@Test
Expand Down
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