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.

test/jdk/com/sun/net/httpserver/bugs/B6433018.java

@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2006, 2025, 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 6433018
+ * @summary  HTTP server sometimes sends bad request for browsers javascript
+ * @run main B6433018
+ * @run main/othervm -Djava.net.preferIPv6Addresses=true B6433018
+ */
+
+import com.sun.net.httpserver.*;
+
+import java.util.concurrent.*;
+import java.io.*;
+import java.net.*;
+import static com.sun.net.httpserver.HttpExchange.RSPBODY_EMPTY;
+
+public class B6433018 {
+
+    static final String CRLF = "\r\n";
+
+    /* invalid HTTP POST with extra CRLF at end */
+    /* This checks that the server is able to handle it
+     * and recognise the second request */
+
+    static final String cmd =
+        "POST /test/item HTTP/1.1"+CRLF+
+        "Keep-Alive: 300"+CRLF+
+        "Proxy-Connection: keep-alive"+CRLF+
+        "Content-Type: text/xml"+CRLF+
+        "Content-Length: 22"+CRLF+
+        "Pragma: no-cache"+CRLF+
+        "Cache-Control: no-cache"+CRLF+ CRLF+
+        "<item desc=\"excuse\" />"+CRLF+
+        "GET /test/items HTTP/1.1"+CRLF+
+        "Host: araku:9999"+CRLF+
+        "Accept-Language: en-us,en;q=0.5"+CRLF+
+        "Accept-Encoding: gzip,deflate"+CRLF+
+        "Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7"+CRLF+
+        "Keep-Alive: 300"+CRLF+
+        "Proxy-Connection: keep-alive"+CRLF+
+        "Pragma: no-cache"+CRLF+
+        "Cache-Control: no-cache"+CRLF+CRLF;
+
+    public static void main(String[] args) throws Exception {
+        CountDownLatch finished = new CountDownLatch(2);
+        Handler handler = new Handler(finished);
+        InetAddress loopback = InetAddress.getLoopbackAddress();
+        InetSocketAddress addr = new InetSocketAddress(loopback, 0);
+        HttpServer server = HttpServer.create(addr, 0);
+        HttpContext ctx = server.createContext("/test", handler);
+
+        server.start();
+        int port = server.getAddress().getPort();
+        try (Socket s = new Socket(loopback, port);
+             OutputStream os = s.getOutputStream()) {
+            os.write(cmd.getBytes());
+            finished.await(30, TimeUnit.SECONDS);
+        } finally {
+            server.stop(0);
+        }
+
+        if (finished.getCount() != 0)
+            throw new RuntimeException("did not receive the 2 requests");
+
+        System.out.println("OK");
+    }
+
+    static class Handler implements HttpHandler {
+        private final CountDownLatch finished;
+
+        Handler(CountDownLatch finished) {
+            this.finished = finished;
+        }
+
+        @Override
+        public void handle(HttpExchange t) throws IOException {
+            try (InputStream is = t.getRequestBody()) {
+                Headers map = t.getRequestHeaders();
+                Headers rmap = t.getResponseHeaders();
+                while (is.read() != -1);
+            }
+            t.sendResponseHeaders(200, RSPBODY_EMPTY);
+            t.close();
+            finished.countDown();
+        }
+    }
+}