Trend Micro claims that "an attacker may craft a fake file, then replace those files via the aforementioned vulnerability to perform code execution. This allows third-party apps to edit the data ShareIt uses to run, including the app cache generated during install and runtime. In effect, this vulnerability allows attackers to call on ShareIt's file-content provider and pass it a file path to get access to all of its data files. However, the developers behind ShareIt haven't given much thought to limit the app's content-provider capabilities, which can give attackers access to all files in ShareIt's "private" directory. There are three main steps taken by -In these guides, new users will learn. Its easy user interface allows users to accomplish their work easily. Files or data can be shared or copied quickly, as well as duplicated data be downloaded to each other directly. It's up to developers to sanitize these cross-app capabilities and only expose the necessary file manager capabilities to Gmail and other apps." Lenovo supplies SHAREit, a software for file transfers. If Gmail wants to attach a file to an email, it can do that by showing a list of available file-content providers installed on your phone (it's basically an "open with" dialog box), and the user can pick their favorite file manager, navigate through their storage, and pass the file they want to Gmail. The publication notes: "Android prides itself on intra-app communication, partly because any app can create a content provider and provide its content and services to other apps. It also lets attackers execute malicious code remotely.Įlaborating on one of the vulnerabilities, Ars Technica reveals that ShareIt has one common Android app vulnerability that can give attackers read/write access to all of its files. Due to this extensive list of permissions, compromising the app can help attackers gain almost complete access to your phone and all your sensitive information. Furthermore, ShareIt also has complete network access. It can even delete other apps, run at startup, create accounts, and set passwords. The app can access the entire storage and all media, use the camera and microphone, access location info, and much more. In a report on the matter, Trend Micro has revealed ( via Ars Technica) that ShareIt has access to a myriad of permissions on Android due to the functionality it offers. Cybersecurity giant Trend Micro has discovered glaring security vulnerabilities in the file-sharing app that can be "abused to leak a user's sensitive data and execute arbitrary code with ShareIt permissions." ![]() ![]() If you're using the ShareIt app on your phone, you may want to uninstall it right away. When you make a purchase using links on our site, we may earn an affiliate commission. Readers like you help support XDA Developers.
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