Insecure service configuration - Task Hijacking

Description

One of the activities in the application manifest is configured with launchMode=singleTask, this configuration is insecure because it opens the possibility that the application is vulnerable to Task Hijacking.

Impact

• Mislead the user with a malicious application that impersonates the applications functionalities.
• Install malicious application on the application users device.

Recommendation

Configure the launchMode with the singleInstance option.

Threat

Unauthorized user with access to the application.

Expected Remediation Time

⌚ minutes.

Score

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

Base

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

Temporal

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

Result

• Vector string: CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:P/RL:O/RC:X
• Score:
  • Base: 3.6
  • Temporal: 3.3
• Severity:
  • Base: Low
  • Temporal: Low

Compliant code

The application manifest correctly configures launchMode to singleInstance

<manifest ... >
  ...
  <application android:launchMode="singleInstance" ... >
      ...
  </application>
</manifest>

Non compliant code

The application manifest allows launchMode with the singletask Option

<manifest ... >
  ...
  <application android:launchMode="singleTask" ... >
      ...
  </application>
</manifest>

Requirements

• 266.Disable insecure functionalities

Fixes

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