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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
This commit is contained in:
russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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68
test/jdk/javax/net/ssl/DTLS/InvalidCookie.java Normal file
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/*
* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
// SunJSSE does not support dynamic system properties, no way to re-use
// system properties in samevm/agentvm mode.
/*
* @test
* @bug 8043758
* @summary Datagram Transport Layer Security (DTLS)
* @modules java.base/sun.security.util
* @library /test/lib
* @build DTLSOverDatagram
* @run main/othervm InvalidCookie
*/
import java.net.DatagramPacket;
import java.net.SocketAddress;
/**
* Test that if the handshake cookie in client side is incorrect, the handshake
* process can continue as if the client does not use cookie.
*/
public class InvalidCookie extends DTLSOverDatagram {
boolean needInvalidCookie = true;
public static void main(String[] args) throws Exception {
InvalidCookie testCase = new InvalidCookie();
testCase.runTest(testCase);
}
@Override
DatagramPacket createHandshakePacket(byte[] ba, SocketAddress socketAddr) {
if (needInvalidCookie && (ba.length >= 60) &&
(ba[0] == (byte)0x16) && (ba[13] == (byte)0x03)) {
// HelloVerifyRequest
needInvalidCookie = false;
System.out.println("invalidate handshake verify cookie");
if (ba[ba.length - 1] == (byte)0xFF) {
ba[ba.length - 1] = (byte)0xFE;
} else {
ba[ba.length - 1] = (byte)0xFF;
}
}
return super.createHandshakePacket(ba, socketAddr);
}
}