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Incorrect Calculation of Buffer Size


Severity High
Score 7.8/10


In writeToParcel and createFromParcel of, there is a permission bypass due to a write size mismatch. This could lead to a local escalation of privileges where the user can start an activity with system privileges, with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android. Versions: 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, 8.0, 8.1. Android ID: A-70398564.

  • LOW
  • HIGH
  • NONE
  • LOW
  • HIGH
  • HIGH

CWE-131 - Incorrect Calculation of Buffer Size

The software does not correctly calculate the size to be used when allocating a buffer, which could lead to a buffer overflow.


Advisory Timeline

  • Published