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CVE-2017-0554 is an elevation of privilege vulnerability in the Android Telephony component affecting versions 4.4.4 through 7.1.1. A local malicious application can exploit this flaw to gain access to privileged capabilities that are normally restricted from third-party applications, bypassing the standard Android permission model.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains the source code for 'Tethr', a proof-of-concept Android application that exploits CVE-2017-0554 to bypass the tethering provisioning check on Android devices prior to version 7.1.2. The app is written in Java and structured as a standard Android project, with the main logic in 'MainActivity.java', 'CellRefresh.java', and 'TetherAccessibilityService.java'. The exploit leverages an accessibility service to automate UI interactions in the system's tethering settings, enabling USB, Wi-Fi, or Bluetooth tethering without carrier-imposed restrictions. The app requires the user to enable its accessibility service, after which it programmatically navigates and toggles the relevant system settings. The repository includes all necessary Android resources, manifest, and build files. No network endpoints or remote attack vectors are present; the exploit is local and requires user interaction and device access. The code is a functional proof-of-concept and does not include weaponized payloads or remote exploitation capabilities.
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