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| CodeSonar® 9.0p0 Hot Tips | CONFIDENTIAL | CodeSecure Inc |
Tainted external data might flow into a vulnerable point.
| クラス名 | Tainted Data in Vulnerable Method (Java) | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 日本語クラス名 | Tainted Data in Vulnerable Method (Java) | ||||||||||||||||||
| クラス分類 | セキュリティ (security) | ||||||||||||||||||
| ニーモニック | JAVA.IO.TAINT.VULN | ||||||||||||||||||
| カテゴリー |
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| 対応言語 | Java で利用可能です。 Android Only. Warnings of this class will only be reported in Android code: that is, code that uses the Android API. |
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| 有効/無効設定 | このワーニングクラスのチェックはデフォルトで有効になっています。チェックを無効にするにはプロジェクト設定ファイル
(configuration file)に以下の WARNING_FILTER ルールを追加してください。
WARNING_FILTER += discard class="Tainted Data in Vulnerable Method (Java)" |
package com.juliasoft.julia.tests.checks.useOfUncontrolledExternalData;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.webkit.WebView;
public class UncontrolledActivity extends Activity
{
WebView mWebView;
protected void onCreate(Bundle paramBundle) {
super.onCreate(paramBundle);
BroadcastReceiver receiver = new BroadcastReceiver() {
public void onReceive(Context arg0, Intent intent) {
String s = intent.getStringExtra("url");
Intent i = new Intent(Intent.ACTION_VIEW);
i = i.setAction(s);
startActivity(i); // "Tainted Data in Vulnerable Method (Java)" warning issued here
}
};
}
}
The warning is relative to external intent and its data. An external intent with external data could lead to security issues, because could be executed activity with untrusted data.
設定ファイルの以下のパラメータがこのワーニングクラスのチェックに影響します。