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[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability #114

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[SECURITY] Fix Temporary Directory Hijacking or Information Disclosure Vulnerability #114

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5 changes: 3 additions & 2 deletions src/main/java/org/bridj/Platform.java
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLClassLoader;
import java.nio.file.Files;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
Expand Down Expand Up @@ -710,8 +711,8 @@ static File extractEmbeddedLibraryResource(String name) throws IOException {
static File createTempDir(String prefix) throws IOException {
File dir;
for (int i = 0; i < maxTempFileAttempts; i++) {
dir = File.createTempFile(prefix, "");
if (dir.delete() && dir.mkdirs()) {
dir = Files.createTempDirectory(prefix).toFile();
if (true) {
return dir;
}
}
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5 changes: 2 additions & 3 deletions src/test/java/org/bridj/NativeLibraryTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.nio.file.Files;

import org.bridj.ann.Library;
import org.bridj.ann.Runtime;
Expand All @@ -46,9 +47,7 @@
public class NativeLibraryTest {

static File tempDir() throws IOException {
File f = File.createTempFile("bridj", "natlibtest");
f.delete();
f.mkdir();
File f = Files.createTempDirectory("bridj" + "natlibtest").toFile();
f.deleteOnExit();
return f;
}
Expand Down