How i can protect my android from Master Key Vulneralability?

Question

When i install apps ,that i take from my friends , it seems quite fishy , so how to check that the apps are trusted or not.

See also: What is master key vulnerability in android? – Izzy♦ Jun 5 '14 at 11:14 — Izzy♦, Jun 5 '14 at 11:14

Izzy · Accepted Answer · 2013-12-19 08:18:52Z

You can check whether your device is affected using e.g. Bluebox Security Scanner.

To close the vulnerability, your device needs root access. If that pre-condition is given, there are different fixes available, e.g.

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