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etvfutures.com April 26, 2018


Some Android Smartphone Manufacturers Hiding Missed Security Updates

13 April 2018, 10:07 | Brandon Parsons

Image WIRED

Image WIRED

But hacking an Android device is harder than it seems, as Android phones come with a broader set of security measures like address space layout randomization and sandboxing. The results are startling-the researchers found a significant "patch gap" between what many phones report as the security patch level and what vulnerabilities these phones are actually protected against. Like every other digital product, there are still some bugs plaguing the firmware but none of them are more bothersome than the issue that involves Google Assistant.

These are places in the code where updates should be but are not. Now, a study has discovered that manufacturers who claim swifter updates are actually lying to you, and missing out on delivering you the latest patches. The "patch gap" varies between device and manufacturer, but given Google's requirements as listed in the monthly security bulletins-it shouldn't exist at all.

For all the good of Android's open-source approach, one of the clear and consistent downsides is that the onus to issue software updates falls on the manufacturer. Out of the 1,200 phones tested by SRL, which included devices from Google, Samsung, HTC, Motorola and TCL, the firm found that even flagship devices from Samsung and Sony missed a patch. Xiaomi, OnePlus and Nokia missed around 1-3 patches.

Motorola was joined in the three-to-four-missed-patch purgatory by HTC, Huawei and LG.

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In a statement provided to TechCrunch, Google pointed to the importance of various different means used to secure the Android ecosystem.

The researchers did find a correlation between skipped patches and chipsets, however. That could be due to the fact that some cheaper phones using less expensive chips are more likely to miss updates. Those with Samsung processors skipped over few patches while models using MediaTek chips missed nearly 10 patches, on average.

Google told Wired, "some of the devices SRL analyzed may not have been Android certified devices, meaning they're not held to Google's standards of security".

When it comes to the consumer, it gets hard to identify if their device has been actually receiving the security update or not. The company tried to do some damage control by listing its mechanisms like Google Play Protect which are being developed to ensure an extra security layer. "These layers of security-combined with the tremendous diversity of the Android ecosystem-contribute to the researchers' conclusions that remote exploitation of Android devices remains challenging". It further argued that modern Android phones come with security features that make them hard to hack even when they do have unpatched security vulnerabilities. The researchers agree with this assertion. Other handset makers have to examine each update and, if necessary, tailor them to fit each of their own devices. "Defense in depth means install all the patches".



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