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The following code creates a file on the external storage and saves sensitive information to the file.:
| Code Block |
|---|
private String filename = "myfile"
private String string = "sensitive data such as credit card number"
FileOutputStream fos = null;
try {
file file = new File(getExternalFilesDir(TARGET_TYPE), filename);
fos = new FileOutputStream(file, false);
fos.write(string.getBytes());
} catch (FileNotFoundException e) {
// handle FileNotFoundException
} catch (IOException e) {
// handle IOException
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
}
}
}
|
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The following code uses the openFileOutput() method to create "myfile" in an application data directory with permission set to MODE_PRIVATE so that other apps cannot access the file.
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:
| Code Block |
|---|
private String filename = "myfile"
private String string = "sensitive data such as credit card number"
FileOutputStream fos = null;
try {
fos = openFileOutput(filename, Context.MODE_PRIVATE);
fos.write(string.getBytes());
fos.close();
} catch (FileNotFoundException e) {
// handle FileNotFoundException
} catch (IOException e) {
// handle IOException
} finally {
if (fos != null) {
try {
fos.close();
} catch (IOException e) {
}
}
}
|
Related Vulnerabilities
- JVN#92038939
TITLE: mixi for Android information management vulnerability
URL: http://jvn.jp/en/jp/JVN92038939/index.html - JVN#05102851
TITLE: Yome Collection for Android issue in management of IMEI
URL: http://jvn.jp/en/jp/JVN05102851/index.html
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