Possible Parcel Read/Write Mismatch in MediaCas.java Leads to Local Escalation of Privilege

CVE-2017-13312

What is CVE-2017-13312?

A vulnerability exists in the MediaCas.java component in Android's handling of parcel data. The flaw arises from insufficient validation when creating parcels, which can result in a read/write mismatch. This vulnerability allows malicious applications to escalate privileges locally, enabling an app to initiate activities with system-level permissions without requiring any additional execution privileges. Exploit attempts do not necessitate user interaction, increasing the potential risk for unauthorized access to sensitive functions on the platform.

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