In execTransact of Binder.java in Android 7.1.1, 7.1.2, 8.0, 8.1, and 9, there is a possible local execution of arbitrary code in a privileged process due to a memory overwrite. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
The product writes data past the end, or before the beginning, of the intended buffer.
Link | Tags |
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https://source.android.com/security/bulletin/2019-09-01 | patch vendor advisory |