In onChange of BiometricService.java, there is a possible way to enable fingerprint unlock due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Attack Parameters
Attack Vector
Local
Requires local access
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed
Impact Assessment
Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
None
No disruption
CVSS Vector v3.1
Weakness Type (CWE)
Vulnerable Products 4
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Google Android
cpe:2.3:o:google:android:16.0:-:*:*:*:*:*:*
|
— | — |
|
Google Android
cpe:2.3:o:google:android:16.0:qpr2_beta_1:*:*:*:*:*:*
|
— | — |
|
Google Android
cpe:2.3:o:google:android:16.0:qpr2_beta_2:*:*:*:*:*:*
|
— | — |
|
Google Android
cpe:2.3:o:google:android:16.0:qpr2_beta_3:*:*:*:*:*:*
|
— | — |