Android 4.0 through 4.3 allows attackers to bypass intended access restrictions and remove device locks via a crafted application that invokes the updateUnlockMethodAndFinish method in the com.android.settings.ChooseLockGeneric class with the PASSWORD_QUALITY_UNSPECIFIED option.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Android | 4.0 (including) | 4.0 (including) | |
| Android | 4.0.1 (including) | 4.0.1 (including) | |
| Android | 4.0.2 (including) | 4.0.2 (including) | |
| Android | 4.0.3 (including) | 4.0.3 (including) | |
| Android | 4.0.4 (including) | 4.0.4 (including) | |
| Android | 4.1 (including) | 4.1 (including) | |
| Android | 4.1.2 (including) | 4.1.2 (including) | |
| Android | 4.2 (including) | 4.2 (including) | |
| Android | 4.2.1 (including) | 4.2.1 (including) | |
| Android | 4.2.2 (including) | 4.2.2 (including) | |
| Android | 4.3 (including) | 4.3 (including) |
References
- http://seclists.org/fulldisclosure/2013/Nov/204
- http://www.securitytracker.com/id/1029410
- http://www.theregister.co.uk/2013/12/10/android_has_lockbypass_bug/
- https://cureblog.de/2013/11/cve-2013-6271-remove-device-locks-from-android-phone/
- http://seclists.org/fulldisclosure/2013/Nov/204
- http://www.securitytracker.com/id/1029410
- http://www.theregister.co.uk/2013/12/10/android_has_lockbypass_bug/
- https://cureblog.de/2013/11/cve-2013-6271-remove-device-locks-from-android-phone/