CVE-2013-6271 Information

Description

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.

Reference

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/