Before Unrooting your Android Phone, Patching up Permission System First!

摘要: A common attack goal on Android phones is to steal private data, which primarily protected by permission system. Therefore, system more vulnerable attackers, especially when a phone rooted (which nowadays). On phones, malware able run with root privilege. Three weak points of have been identified, can be used carry out various escalation attacks Unrooting make lose privilege, but it cannot solve the security issues caused these attacks. In this paper, we present scheme that aims at patching up three We expect in scenario where user wants unroot his and get under protection. The apply any version order facilitate scheme’s deployment, develop an app automatically do work. Moreover, evaluation result shows small-footprint only introduces 1.8 % overhead.