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New Man-in-the-Disk attack leaves millions of Android phones vulnerable

August 15, 2018

By: Swati Khandelwal

Security researchers at Check Point Software Technologies have discovered a new attack vector against the Android operating system that could potentially allow attackers to silently infect your smartphones with malicious apps or launch denial of service attacks.

Dubbed Man-in-the-Disk, the attack takes advantage of the way Android apps utilize ‘External Storage’ system to store app-related data, which if tampered could result in code injection in the privileged context of the targeted application.

It should be noted that apps on the Android operating system can store its resources on the device in two locations—internal storage and external storage.

Google itself offers guidelines to Android application developers urging them to use internal storage, which is an isolated space allocated to each application protected using Android’s built-in sandbox, to store their sensitive files or data.

However, researchers found that many popular apps—including Google Translate itself, along with Yandex Translate, Google Voice Typing, Google Text-to-Speech, Xiaomi Browser—were using unprotected external storage that can be accessed by any application installed on the same device.

How Android Man-in-the-Disk Attack Works?

Similar to the “man-in-the-middle” attack, the concept of “man-in-the-disk” (MitD) attack involves interception and manipulation of data being exchanged between external storage and an application, which if replaced with a carefully crafted derivative “would lead to harmful results.”

man-in-the-disk android hacking apps

 

More: https://thehackernews.com/2018/08/man-in-the-disk-android-hack.html

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