Unable to run server-psk-bruteforcer

[amshikov]

Hello!

I'm unable to run server-psk-bruteforcer. It successfully connects to test server, but it is unable to execute an attack:

D:\TLS\TLS-Breaker-main\Server-PSK-Bruteforcer\apps>java -jar server-psk-bruteforcer-1.0.1.jar -connect 192.168.10.1:8004 -executeAttack
13:12:11 [main] INFO : ClientTcpTransportHandler - Connection established from ports 55135 -> 8004
Connecting to the Server to find a PSK cipher suite it supports...
13:12:11 [main] INFO : WorkflowExecutor - Connecting to 192.168.10.1:8004
13:12:11 [main] INFO : ClientTcpTransportHandler - Connection established from ports 55136 -> 8004
13:12:11 [main] INFO : SendAction - Sending messages (client): CLIENT_HELLO,
13:12:11 [main] INFO : ReceiveAction - Received Messages (client): SERVER_HELLO, PSK_SERVER_KEY_EXCHANGE, SERVER_HELLO_DONE,
13:12:11 [main] INFO : WorkflowExecutor - Connecting to 192.168.10.1:8004
13:12:11 [main] INFO : ClientTcpTransportHandler - Connection established from ports 55137 -> 8004
13:12:11 [main] INFO : SendAction - Sending messages (client): CLIENT_HELLO,
13:12:11 [main] INFO : ReceiveAction - Received Messages (client): SERVER_HELLO, PSK_SERVER_KEY_EXCHANGE, SERVER_HELLO_DONE,
13:12:11 [main] INFO : SendAction - Sending messages (client): PSK_CLIENT_KEY_EXCHANGE, CHANGE_CIPHER_SPEC, FINISHED,
13:12:11 [main] ERROR: DefaultWorkflowExecutor -
java.lang.IllegalArgumentException: The array must be at least of size 1
        at de.rub.nds.modifiablevariable.util.ArrayConverter.intToBytes(ArrayConverter.java:70)
        at de.rub.nds.tlsattacker.core.protocol.preparator.PskClientKeyExchangePreparator.generatePremasterSecret(PskClientKeyExchangePreparator.java:51)
        at de.rub.nds.tlsattacker.core.protocol.preparator.PskClientKeyExchangePreparator.prepareHandshakeMessageContents(PskClientKeyExchangePreparator.java:40)
        at de.rub.nds.tlsattacker.core.protocol.preparator.HandshakeMessagePreparator.prepareProtocolMessageContents(HandshakeMessagePreparator.java:61)
        at de.rub.nds.tlsattacker.core.protocol.ProtocolMessagePreparator.prepare(ProtocolMessagePreparator.java:29)
        at de.rub.nds.tlsattacker.core.workflow.action.executor.SendMessageHelper.prepareMessage(SendMessageHelper.java:334)
        at de.rub.nds.tlsattacker.core.workflow.action.executor.SendMessageHelper.sendMessages(SendMessageHelper.java:93)
        at de.rub.nds.tlsattacker.core.workflow.action.executor.SendMessageHelper.sendMessages(SendMessageHelper.java:40)
        at de.rub.nds.tlsattacker.core.workflow.action.SendAction.execute(SendAction.java:99)
        at de.rub.nds.tlsattacker.core.workflow.DefaultWorkflowExecutor.executeWorkflow(DefaultWorkflowExecutor.java:56)
        at de.rub.nds.tlsbreaker.serverpskbruteforce.impl.PskBruteForcerAttackServer.tryPsk(PskBruteForcerAttackServer.java:102)
        at de.rub.nds.tlsbreaker.serverpskbruteforce.impl.PskBruteForcerAttackServer.tryPsk(PskBruteForcerAttackServer.java:32)
        at de.rub.nds.tlsbreaker.breakercommons.psk.PskBruteForcerAttackCommon.executeAttack(PskBruteForcerAttackCommon.java:47)
        at de.rub.nds.tlsbreaker.breakercommons.attacker.Attacker.run(Attacker.java:41)
        at de.rub.nds.tlsbreaker.serverpskbruteforce.Main.main(Main.java:37)
Exception in thread "main" java.lang.IllegalArgumentException: The array must be at least of size 1
        at de.rub.nds.modifiablevariable.util.ArrayConverter.intToBytes(ArrayConverter.java:70)
        at de.rub.nds.tlsattacker.core.protocol.preparator.PskClientKeyExchangePreparator.generatePremasterSecret(PskClientKeyExchangePreparator.java:51)
        at de.rub.nds.tlsattacker.core.protocol.preparator.PskClientKeyExchangePreparator.prepareHandshakeMessageContents(PskClientKeyExchangePreparator.java:40)
        at de.rub.nds.tlsattacker.core.protocol.preparator.HandshakeMessagePreparator.prepareProtocolMessageContents(HandshakeMessagePreparator.java:61)
        at de.rub.nds.tlsattacker.core.protocol.ProtocolMessagePreparator.prepare(ProtocolMessagePreparator.java:29)
        at de.rub.nds.tlsattacker.core.workflow.action.executor.SendMessageHelper.prepareMessage(SendMessageHelper.java:334)
        at de.rub.nds.tlsattacker.core.workflow.action.executor.SendMessageHelper.sendMessages(SendMessageHelper.java:93)
        at de.rub.nds.tlsattacker.core.workflow.action.executor.SendMessageHelper.sendMessages(SendMessageHelper.java:40)
        at de.rub.nds.tlsattacker.core.workflow.action.SendAction.execute(SendAction.java:99)
        at de.rub.nds.tlsattacker.core.workflow.DefaultWorkflowExecutor.executeWorkflow(DefaultWorkflowExecutor.java:56)
        at de.rub.nds.tlsbreaker.serverpskbruteforce.impl.PskBruteForcerAttackServer.tryPsk(PskBruteForcerAttackServer.java:102)
        at de.rub.nds.tlsbreaker.serverpskbruteforce.impl.PskBruteForcerAttackServer.tryPsk(PskBruteForcerAttackServer.java:32)
        at de.rub.nds.tlsbreaker.breakercommons.psk.PskBruteForcerAttackCommon.executeAttack(PskBruteForcerAttackCommon.java:47)
        at de.rub.nds.tlsbreaker.breakercommons.attacker.Attacker.run(Attacker.java:41)
        at de.rub.nds.tlsbreaker.serverpskbruteforce.Main.main(Main.java:37)

OS in test lab is Windows 10, Java version is 12.0.2.