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1. #Which gif keyboard app is best for samsung mini apk
2. #Which gif keyboard app is best for samsung mini update
3. #Which gif keyboard app is best for samsung mini for android
4. #Which gif keyboard app is best for samsung mini code

What to do?Īssuming your phone is vulnerable (Welton has published a partial list), there isn’t a whole lot you can do except try to steer clear of networks you don’t trust, where a crook might try to intercept and hack your traffic.Ī Virtual Private Network (VPN) can help, where all your network traffic is encrypted before it leaves your device, “tunnelled” back to a server at head office or at home, and only sent out onto the open internet from there.

#Which gif keyboard app is best for samsung mini code

With a bit of work (more accurately, with a more than a bit of clever thinking and quite a lot of work) he was able to package up a Trojanised ZIP that would directly run a program of his choice, making this a full-on RCE, or Remote Code Execution vulnerability.

#Which gif keyboard app is best for samsung mini update

Worse still, Welton noticed that Samsung’s updater runs with the privilege, which means that a hacked ZIP fed in as an update could, in theory, do almost anything, including reading and writing files almost anywhere on the device. In other words, if you want to send a modified (or even a totally different) update ZIP file, you don’t have to hack into Samsung first and steal one of its carefully-guarded signing keys.Īll you need to do is modify the manifest to match the modifications to your ZIP. JSON exists so that whenever you find yourself thinking, “I’ll use XML,” you don’t have to.

→ JSON stands for JavaScript Object Notation, a simple, compact, text-based, easily-processed, human-readable file format commonly used for exchanging data between web-based clients and servers. Sadly, that manifest file, including the SHA1 hashes, was itself downloaded in an unauthenticated HTTP request, just before the package itself: Indeed, there was some sort of validation done during the update.īut Welton soon found that the “digital signature” was a simple SHA1 hash, specified in what’s called a manifest file: What really matters are authentication and integrity, so you can convince yourself that the update came from a trusted source, and wasn’t tampered with along the way.ĭone properly, TLS (and therefore HTTPS) can provide both these features, but the absence of TLS wasn’t the evidence Welton needed to satisfy himself there was a problem.Īfter all, the update package itself could have been digitally signed by Samsung, and verified during the update to establish that it had arrived unmodified from Samsung’s official repository.

#Which gif keyboard app is best for samsung mini for android

You get SwiftKey for Android from Google Play, along with its updates, so it’s as secure as Google Play.

SwiftKey’s own app is not affected by this vulnerability.

#Which gif keyboard app is best for samsung mini apk

Indeed, you can download an APK (Android package) of the original SwiftKey app straight from Google Play and extract it from your phone to examine at your leisure. You’d probably expect an update of this sort to use TLS (Transport Layer Security), and thus to go over HTTPS, because TLS is encrypted, and encryption is good.īut, strictly speaking, it’s not so much confidentiality you’re after in this case, because the contents of the update aren’t secret. Welton noticed that Samsung’s IME (Input Method Editor – the techie name for souped-up keyboard software) updates itself via plain old HTTP, using a web request like this:

That sort of vulnerability makes it much easier than it ought to be for a crook to feed fake code or data into your device, and ultimately to reprogram it almost arbitrarily. This is a similar bug to the hole we recently wrote about in Hospira drug pumps, where a researcher found he could upload a firmware update without worrying about verification. …that doesn’t do authentication or integrity. Unfortunately, as Welton spotted when he started digging around, as security researchers like to do, Samsung’s variant of SwitftKey, rather blandly renamed to SamsungIME, includes an auto-update “feature”… Ryan Welton, a presenter at BlackHat London, has come up with some bad news for you: the keyboard app built in to your device may leave you open to attack.Īccording to Welton, many Galaxy models on numerous mobile carriers may be at risk, including the S4, S4 Mini, S5 and S6.Īpparently, Samsung phones include a bundled-and-rebadged version of SwiftKey, a popular keyboard app that claims to be cooler and smarter than your average keyboard, making better predictions of what you are going to type next.