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[High] patch plexus-utils for CVE-2025-67030 (#16356)
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‎SPECS/plexus-utils/CVE-2025-67030.patch‎

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From: Copilot <198982749+Copilot@users.noreply.github.com>
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Date: Sun, 9 Nov 2025 12:32:38 +0100
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Subject: [PATCH] Fix Zip Slip vulnerability in archive extraction (#296)
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---------
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Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
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Co-authored-by: slachiewicz <6705942+slachiewicz@users.noreply.github.com>
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Upstream Patch Reference: https://github.com/codehaus-plexus/plexus-utils/commit/6d780b3378829318ba5c2d29547e0012d5b29642.patch
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---
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.../java/org/codehaus/plexus/util/Expand.java | 18 ++-
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.../org/codehaus/plexus/util/ExpandTest.java | 148 ++++++++++++++++++
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2 files changed, 162 insertions(+), 4 deletions(-)
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create mode 100644 src/test/java/org/codehaus/plexus/util/ExpandTest.java
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diff --git a/src/main/java/org/codehaus/plexus/util/Expand.java b/src/main/java/org/codehaus/plexus/util/Expand.java
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index 3d3e98a..512ee83 100644
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--- a/src/main/java/org/codehaus/plexus/util/Expand.java
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+++ b/src/main/java/org/codehaus/plexus/util/Expand.java
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@@ -136,10 +136,20 @@ protected void extractFile( File srcF, File dir, InputStream compressedInputStre
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{
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File f = FileUtils.resolveFile( dir, entryName );
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- if ( !f.getAbsolutePath().startsWith( dir.getAbsolutePath() ) )
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- {
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- throw new IOException( "Entry '" + entryName + "' outside the target directory." );
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- }
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+ try {
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+ String canonicalDirPath = dir.getCanonicalPath();
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+ String canonicalFilePath = f.getCanonicalPath();
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+
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+ // Ensure the file is within the target directory
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+ // We need to check that the canonical file path starts with the canonical directory path
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+ // followed by a file separator to prevent path traversal attacks
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+ if (!canonicalFilePath.startsWith(canonicalDirPath + File.separator)
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+ && !canonicalFilePath.equals(canonicalDirPath)) {
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+ throw new IOException("Entry '" + entryName + "' outside the target directory.");
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+ }
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+ } catch (IOException e) {
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+ throw new IOException("Failed to verify entry path for '" + entryName + "'", e);
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+ }
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try
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{
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diff --git a/src/test/java/org/codehaus/plexus/util/ExpandTest.java b/src/test/java/org/codehaus/plexus/util/ExpandTest.java
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new file mode 100644
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index 0000000..46e3d0e
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--- /dev/null
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+++ b/src/test/java/org/codehaus/plexus/util/ExpandTest.java
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@@ -0,0 +1,148 @@
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+package org.codehaus.plexus.util;
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+
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+/*
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+ * Copyright The Codehaus Foundation.
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+ *
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+ * Licensed under the Apache License, Version 2.0 (the "License");
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+ * you may not use this file except in compliance with the License.
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+ * You may obtain a copy of the License at
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+ *
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+ * http://www.apache.org/licenses/LICENSE-2.0
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+ *
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+ * Unless required by applicable law or agreed to in writing, software
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+ * distributed under the License is distributed on an "AS IS" BASIS,
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+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ * See the License for the specific language governing permissions and
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+ * limitations under the License.
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+ */
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+
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+import java.io.File;
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+import java.nio.file.Files;
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+import java.util.zip.ZipEntry;
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+import java.util.zip.ZipOutputStream;
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+
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+import org.junit.jupiter.api.Test;
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+
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+import static org.junit.jupiter.api.Assertions.assertFalse;
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+import static org.junit.jupiter.api.Assertions.assertThrows;
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+import static org.junit.jupiter.api.Assertions.assertTrue;
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+
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+/**
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+ * Test for {@link Expand}.
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+ */
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+class ExpandTest extends FileBasedTestCase {
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+
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+ @Test
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+ void testZipSlipVulnerabilityWithParentDirectory() throws Exception {
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+ File tempDir = getTestDirectory();
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+ File zipFile = new File(tempDir, "malicious.zip");
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+ File targetDir = new File(tempDir, "extract");
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+ targetDir.mkdirs();
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+
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+ // Create a malicious zip with path traversal
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+ try (ZipOutputStream zos = new ZipOutputStream(Files.newOutputStream(zipFile.toPath()))) {
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+ ZipEntry entry = new ZipEntry("../../evil.txt");
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+ zos.putNextEntry(entry);
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+ zos.write("malicious content".getBytes());
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+ zos.closeEntry();
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+ }
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+
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+ Expand expand = new Expand();
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+ expand.setSrc(zipFile);
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+ expand.setDest(targetDir);
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+
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+ // This should throw an exception, not extract the file
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+ assertThrows(Exception.class, () -> expand.execute());
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+
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+ // Verify the file was not created outside the target directory
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+ File evilFile = new File(tempDir, "evil.txt");
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+ assertFalse(evilFile.exists(), "File should not be extracted outside target directory");
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+ }
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+
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+ @Test
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+ void testZipSlipVulnerabilityWithAbsolutePath() throws Exception {
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+ File tempDir = getTestDirectory();
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+ File zipFile = new File(tempDir, "malicious-absolute.zip");
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+ File targetDir = new File(tempDir, "extract-abs");
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+ targetDir.mkdirs();
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+
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+ // Create a malicious zip with absolute path
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+ File evilTarget = new File("/tmp/evil-absolute.txt");
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+ try (ZipOutputStream zos = new ZipOutputStream(Files.newOutputStream(zipFile.toPath()))) {
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+ ZipEntry entry = new ZipEntry(evilTarget.getAbsolutePath());
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+ zos.putNextEntry(entry);
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+ zos.write("malicious content".getBytes());
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+ zos.closeEntry();
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+ }
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+
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+ Expand expand = new Expand();
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+ expand.setSrc(zipFile);
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+ expand.setDest(targetDir);
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+
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+ // This should throw an exception, not extract the file
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+ assertThrows(Exception.class, () -> expand.execute());
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+
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+ // Verify the file was not created at the absolute path
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+ assertFalse(evilTarget.exists(), "File should not be extracted to absolute path");
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+ }
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+
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+ @Test
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+ void testZipSlipVulnerabilityWithSimilarDirectoryName() throws Exception {
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+ File tempDir = getTestDirectory();
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+ File zipFile = new File(tempDir, "malicious-similar.zip");
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+ File targetDir = new File(tempDir, "extract");
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+ targetDir.mkdirs();
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+
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+ // Create a directory with a similar name to test prefix matching vulnerability
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+ File similarDir = new File(tempDir, "extract-evil");
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+ similarDir.mkdirs();
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+
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+ // Create a malicious zip that tries to exploit prefix matching
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+ // If targetDir is /tmp/extract, this tries to write to /tmp/extract-evil/file.txt
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+ String maliciousPath = "../extract-evil/evil.txt";
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+ try (ZipOutputStream zos = new ZipOutputStream(Files.newOutputStream(zipFile.toPath()))) {
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+ ZipEntry entry = new ZipEntry(maliciousPath);
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+ zos.putNextEntry(entry);
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+ zos.write("malicious content".getBytes());
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+ zos.closeEntry();
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+ }
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+
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+ Expand expand = new Expand();
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+ expand.setSrc(zipFile);
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+ expand.setDest(targetDir);
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+
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+ // This should throw an exception, not extract the file
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+ assertThrows(Exception.class, () -> expand.execute());
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+
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+ // Verify the file was not created in the similar directory
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+ File evilFile = new File(similarDir, "evil.txt");
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+ assertFalse(evilFile.exists(), "File should not be extracted to directory with similar name");
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+ }
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+
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+ @Test
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+ void testNormalZipExtraction() throws Exception {
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+ File tempDir = getTestDirectory();
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+ File zipFile = new File(tempDir, "normal.zip");
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+ File targetDir = new File(tempDir, "extract-normal");
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+ targetDir.mkdirs();
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+
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+ // Create a normal zip
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+ try (ZipOutputStream zos = new ZipOutputStream(Files.newOutputStream(zipFile.toPath()))) {
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+ ZipEntry entry = new ZipEntry("subdir/normal.txt");
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+ zos.putNextEntry(entry);
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+ zos.write("normal content".getBytes());
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+ zos.closeEntry();
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+ }
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+
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+ Expand expand = new Expand();
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+ expand.setSrc(zipFile);
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+ expand.setDest(targetDir);
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+
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+ // This should succeed
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+ expand.execute();
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+
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+ // Verify the file was created in the correct location
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+ File normalFile = new File(targetDir, "subdir/normal.txt");
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+ assertTrue(normalFile.exists(), "File should be extracted to correct location");
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+ }
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+}
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--
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2.45.4
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‎SPECS/plexus-utils/plexus-utils.spec‎

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@@ -16,7 +16,7 @@ Summary: Plexus Common Utilities
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#
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Name: plexus-utils
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Version: 3.3.0
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Release: 3%{?dist}
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Release: 4%{?dist}
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License: Apache-2.0
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Vendor: Microsoft Corporation
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Distribution: Mariner
@@ -25,6 +25,7 @@ URL: https://codehaus-plexus.github.io/plexus-utils/
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Source0: https://github.com/codehaus-plexus/%{name}/archive/%{name}-%{version}.tar.gz
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Source1: %{name}-build.xml
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Source2: http://apache.org/licenses/LICENSE-2.0.txt
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Patch0: CVE-2025-67030.patch
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BuildRequires: ant
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BuildRequires: fdupes
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BuildRequires: javapackages-local-bootstrap
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Javadoc for %{name}.
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%prep
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%setup -q -n %{name}-%{name}-%{version}
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%autosetup -p1 -n %{name}-%{name}-%{version}
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cp %{SOURCE1} build.xml
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cp %{SOURCE2} .
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%{_javadocdir}/%{name}
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%changelog
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* Mon Mar 30 2026 Jyoti kanase <v-jykanase@microsoft.com> - 3.3.0-4
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- Patch for CVE-2025-67030
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* Fri Mar 17 2023 Mykhailo Bykhovtsev <mbykhovtsev@microsoft.com> - 3.3.0-3
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- Moved from extended to core
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- License verified

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