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CVE-2017-0806 is an elevation of privilege vulnerability in the Android framework, specifically in the gatekeeperresponse component. The vulnerability affects Android versions 6.0, 6.0.1, 7.0, 7.1.1, 7.1.2, and 8.0. The flaw allows a local attacker to gain elevated privileges on the device by exploiting improper access control or validation in the gatekeeperresponse handling.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is a Proof-of-Concept (PoC) Android application demonstrating CVE-2017-0806, a vulnerability in the Android framework's GateKeeperResponse class. The exploit leverages a mismatch in the writeToParcel and createFromParcel methods, allowing an attacker to craft a Bundle object that changes its contents after being sent through Android's Binder IPC mechanism. The core exploit logic is implemented in Ambiguator.java, which creates such ambiguous Bundles. MainActivity.java provides a user interface with three main actions: (1) an in-process test of the exploit, (2) bypassing security checks to start a non-exported system activity (PlatLogoActivity), and (3) installing an APK without user consent by exploiting the vulnerability. AuthService.java acts as an AccountAuthenticator, returning the malicious Bundle when requested. The repository is structured as a standard Android Studio project, with the main exploit logic in the Java source files and supporting configuration in XML and Gradle files. No network endpoints are present; the attack vector is local, requiring the malicious app to run on the target device.
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