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

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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/*
* Copyright (c) 2024, 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.
*/
/*
* @test
* @bug 8322133
* @summary Make sure getParameterSpec returns std name for EC AlgorithmParameters
* @modules java.base/sun.security.util
*/
import java.security.AlgorithmParameters;
import java.security.KeyPairGenerator;
import java.security.spec.ECGenParameterSpec;
public class CurveGetParameterSpec {
public static void main(String[] args) throws Exception {
KeyPairGenerator kpg = KeyPairGenerator.getInstance("EC");
kpg.initialize(new ECGenParameterSpec("secp384r1"));
var k = kpg.generateKeyPair().getPublic();
var a = AlgorithmParameters.getInstance("EC");
a.init(k.getParams());
String name = a.getParameterSpec(ECGenParameterSpec.class).getName();
if (!name.equals("secp384r1")) {
throw new Exception("EC getParameterSpec does not return std name secp384r1. Instead returns: " + name);
}
}
}

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/*
* Copyright (c) 2021, 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.
*/
import javax.crypto.spec.OAEPParameterSpec;
import javax.crypto.spec.PSource;
import java.io.IOException;
import java.security.AlgorithmParameters;
import java.security.spec.MGF1ParameterSpec;
import java.util.Arrays;
/**
* @test
* @bug 8246797
* @summary Ensures OAEPParameters read correct encoding and
* reject encoding with invalid ordering
*/
public class OAEPOrder {
public static void main(String[] args) throws Exception {
// Do not use default fields
OAEPParameterSpec spec = new OAEPParameterSpec(
"SHA-384", "MGF1", MGF1ParameterSpec.SHA384,
new PSource.PSpecified(new byte[10]));
AlgorithmParameters alg = AlgorithmParameters.getInstance("OAEP");
alg.init(spec);
byte[] encoded = alg.getEncoded();
// Extract the fields inside encoding
// [0] HashAlgorithm
byte[] a0 = Arrays.copyOfRange(encoded, 2, encoded[3] + 4);
// [1] MaskGenAlgorithm + [2] PSourceAlgorithm
byte[] a12 = Arrays.copyOfRange(encoded, 2 + a0.length, encoded.length);
// and rearrange [1] and [2] before [0]
System.arraycopy(a12, 0, encoded, 2, a12.length);
System.arraycopy(a0, 0, encoded, 2 + a12.length, a0.length);
AlgorithmParameters alg2 = AlgorithmParameters.getInstance("OAEP");
try {
alg2.init(encoded);
throw new RuntimeException("Should fail");
} catch (IOException ioe) {
// expected
}
}
}