In onUserStopped of Vpn.java, there is a possible resetting of user preferences due to a logic issue. This could lead to local information disclosure of secure network traffic over a non-VPN link with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-10 Android-11 Android-8.1 Android-9Android ID: A-168500792
Weakness
The product does not release or incorrectly releases a resource before it is made available for re-use.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Android | 8.1 (including) | 8.1 (including) | |
| Android | 9.0 (including) | 9.0 (including) | |
| Android | 10.0 (including) | 10.0 (including) | |
| Android | 11.0 (including) | 11.0 (including) |
Potential Mitigations
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.
Related Attack Patterns
- https://cwe.mitre.org/data/definitions/125.html
- https://cwe.mitre.org/data/definitions/130.html
- https://cwe.mitre.org/data/definitions/131.html
- https://cwe.mitre.org/data/definitions/494.html
- https://cwe.mitre.org/data/definitions/495.html
- https://cwe.mitre.org/data/definitions/496.html
- https://cwe.mitre.org/data/definitions/666.html