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CVE-2023-42469
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CVE-2023-42469
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The com.full.dialer.top.secure.encrypted application through 1.0.1 for Android
> enables any installed application (with no permissions) to place
> phone calls without user interaction by sending a crafted intent via the
> com.full.dialer.top.secure.encrypted.activities.DialerActivity
> component.
>
> ------------------------------------------
>
> [Vulnerability Type]
> Incorrect Access Control
>
> ------------------------------------------
>
> [Vendor of Product]
> Browser by Fulldive Co.
>
> ------------------------------------------
>
> [Affected Product Code Base]
> "Full Dialer" Version 1.0.1 - ' com.full.dialer.top.secure.encrypted' Version 1.0.1
>
> ------------------------------------------
>
> [Affected Component]
> The DialerActivity (com.full.dialer.top.secure.encrypted.activities.DialerActivity) within the com.full.dialer.top.secure.encrypted package of the "Full Dialer" app is marked as exported.
>
> ------------------------------------------
>
> [Attack Type]
> Context-dependent
>
> ------------------------------------------
>
> [Impact Escalation of Privileges]
> true
>
> ------------------------------------------
>
> [Impact Information Disclosure]
> true
>
> ------------------------------------------
>
> [Attack Vectors]
> This configuration allows third-party applications without permissions on the same device to invoke it and initiate phone calls without user interaction.
>
> ------------------------------------------
>
> [Reference]
> https://github.com/actuator/com.full.dialer.top.secure.encrypted
> https://github.com/actuator/com.full.dialer.top.secure.encrypted/blob/main/poc.apk
> https://github.com/actuator/com.full.dialer.top.secure.encrypted/blob/main/dial.gif
>
> ------------------------------------------
>
> [Discoverer]
> Edward Warren