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Insecure service configuration - Backup

Description​

The mobile application is allowed to backup the application data stored on the device, allowing information leaks to occur.

Impact​

Obtain confidential information from the application.

Recommendation​

Securely configure the service so that it does not allow data backups.

Threat​

Unauthenticated attacker with physical access to mobile device.

Expected Remediation Time​

⌚ 30 minutes.

Score​

Default score using CVSS 3.1. It may change depending on the context of the vulnerability.

Base​

  • Attack vector: P
  • Attack complexity: L
  • Privileges required: N
  • User interaction: N
  • Scope: U
  • Confidentiality: L
  • Integrity: N
  • Availability: N

Temporal​

  • Exploit code madurity: P
  • Remediation level: O
  • Report confidence: X

Result​

  • Vector string: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P/RL:O/RC:X
  • Score:
    • Base: 2.4
    • Temporal: 2.2
  • Severity:
    • Base: Low
    • Temporal: Low

Code Examples​

Compliant code​

The app does not allow backup data

<manifest ... >
  ...
  <application android:allowDataBackup="false" ... >
      ...
  </application>
</manifest>

Non compliant code​

The allowBackup option is set to true in the app manifest

<manifest ... >
  ...
  <application android:allowDataBackup="true" ... >
      ...
  </application>
</manifest>

Requirements​

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