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Guru3D.com » News » Samsung smartphones and tablets vulnerable to kernel attack

Samsung smartphones and tablets vulnerable to kernel attack

by Hilbert Hagedoorn on: 12/18/2012 10:18 AM | source: | 8 comment(s)
Samsung smartphones and tablets vulnerable to kernel attack

ZD Net reports a wide range of Samsung smartphones and tablets with the company's Exynos 4412 and 4210 ARM-based processors are vulnerable to an attack that enables hackers to obtain root access on any of the affected devices.

XDA Developers member alephzain first brought up the vulnerability on the site's forum, claiming that access to the device's physical memory is read-and-write enabled by all users. 

With the ability to read and write to memory at will, alephzain said that any application could dump the contents of the device's RAM and/or inject arbitrary code into the kernel. Such manipulations of memory could potentially allow an attacker to extract data and forward it elsewhere, or modify data to present the user with false data while the application does something else. The vulnerability itself also allows devices to be rooted.

The following devices are vulnerable to attack, but the risk seems minimal if you watch out which apps you install on your device.

  • Samsung Galaxy S2 GT-I9100
  • Samsung Galaxy S3 GT-I9300
  • Samsung Galaxy S3 LTE GT-I9305
  • Samsung Galaxy Note GT-N7000
  • Samsung Galaxy Note 2 GT-N7100
  • Verizon-based Samsung Galaxy Note 2 SCH-I605
  • Samsung Galaxy Tab Plus GT-P6210
  • Samsung Galaxy Note 10.1 GT-N8000
  • Samsung Galaxy Note 10.1 GT-N8010
  • Samsung Galaxy Note 10.1 GT-N8020.






« Gigabyte P2742G Windows 8 gaming laptop · Samsung smartphones and tablets vulnerable to kernel attack · AMD Radeon HD 8000M Series Detailed »

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Koniakki
Senior Member



Posts: 2843
Joined: 2009-09-15

#4481882 Posted on: 12/18/2012 02:36 PM
*Opens the window and throws his GNote out.


Update: 5 min later police arrests him with charge of murder attempt by throwing brick-like object to a passing pedestrian's head.

anticupidon
Senior Member



Posts: 6793
Joined: 2008-03-06

#4481911 Posted on: 12/18/2012 03:18 PM
only Samsung is vulnerable ?

k1net1cs
Senior Member



Posts: 3783
Joined: 2010-11-14

#4481932 Posted on: 12/18/2012 03:47 PM
only Samsung is vulnerable ?

Yep.

The vulnerability itself is software patchable, because the point of vulnerability isn't actually the Exynos CPU itself, but rather the custom kernel Samsung used IIRC.
One of the prominent XDA devs, Chainfire, has already made a quick fix for it.
God knows when Samsung would officially patch it, though.

Speed Weed
Senior Member



Posts: 1066
Joined: 2011-12-04

#4481955 Posted on: 12/18/2012 04:23 PM
Does it help to run an SGS3 on WiFi only? :(

Ven0m
Senior Member



Posts: 1830
Joined: 2005-08-12

#4481957 Posted on: 12/18/2012 04:30 PM
Does it help to run an SGS3 on WiFi only? :(


It's not a remote exploit - you need an installed piece of software capable of reading and writing to the hidden memory partition. So most likely you're fine and you'll be fine.

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