Why is iOS "jailbreaking" CPU specific? [closed]

Posted by Ted Wong on Programmers See other posts from Programmers or by Ted Wong
Published on 2012-09-20T15:04:28Z Indexed on 2012/09/20 21:52 UTC
Read the original article Hit count: 329

Filed under:

security

|

ios

|

hacking

Recently, iOS 6 was "jailbroken" but only on the Apple A4 CPU.

Why is the "jailbreaking" process specific to a CPU?

From Wikipedia:

... "iOS jailbreaking is the process of removing the limitations imposed by Apple on devices running the iOS operating system through the use of hardware/software exploits – such devices include the iPhone, iPod touch, iPad, and second generation Apple TV. Jailbreaking allows iOS users to gain root access to the operating system""" ...

© Programmers or respective owner

Related posts about security

sudo apt-get update errors

as seen on Ask Ubuntu - Search for 'Ask Ubuntu'
Here is what I get on my terminal when running sudo apt-get update errors. I dont know if the issue is from my sources.list or my proxy setup(have not made any changes to proxies). Thank you for any help in advanced. Ign http://security.ubuntu.com oneiric-security Release.gpg Ign http://security… >>> More
The Security-Developer Gap: Why IT Security Can't Fix Your Security Problems Alone

as seen on Devx - Search for 'Devx'
Two well-known white hats explain how hackers take advantage of security holes left by enterprise application developers. >>> More
The Security-Developer Gap: Why IT Security Can't Fix Your Security Problems Alone

as seen on Internet.com - Search for 'Internet.com'
Two well-known white hats explain how hackers take advantage of security holes left by enterprise application developers. >>> More
StackOverFlowError while creating Mac object on AS400/Java

as seen on Stack Overflow - Search for 'Stack Overflow'
Hello all, I am a newbie to AS400-Java programming. I am trying to create my first program to test the implementation of Message Authentication Code (MAC). I am trying to use the HMACSHA1 hash function. My (Java 1.4) program runs fine on a dev box (V5R4).But fails terribly on the QA box (V5R3). My… >>> More
Google App Engine - Spring Security Issue (java.security.AccessControlException)

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm currently getting the AccessControlException below when I deploy to app engine (I don't see it when I run in my local environment). I'm using GAE 1.3.1, Spring 3.0.1, and Spring Security 3.0.2. Any ideas how to get around this issue? It appears to be an issue with Spring Security trying to get… >>> More

Related posts about ios

Regarding Xcode SDK IOS 4.2 installation and missing iOS 4.1

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi All, i have download Xcode SDK 4.2(xcode_3.2.5_and_ios_sdk_4.2_final.dmg) from Apple developer site and installed successfully . when open my old xcode project it shows baseSDk missing ,when i try to change project setting ,i have found and set base SDk as 4.2 it works fine my problem is ,in… >>> More
fatal: pathspec for removing folder in git

as seen on Super User - Search for 'Super User'
I want to remove a folder from a Git repository but I get an error. I tried several commands, and here you can see my errors: selnaz:iOS Lnaz$ ls iOS-Tidinfo mockup readme.txt selnaz:iOS Lnaz$ git rm -r -- iOS-Tidinfo/ fatal: pathspec 'tidinfo/iOS/iOS-Tidinfo/' did not match any files selnaz:iOS… >>> More
Autorotate works for iOS 6 but gives weird behavior in iOS 5

as seen on Stack Overflow - Search for 'Stack Overflow'
I seem to be having the opposite problem from this post: Autorotate in iOS 6 has strange behaviour When I submitted my paid app to Apple, XCode made me update to iOS 6 on my test devices. I used the GUI in XCode to set my app to display only in portrait mode on the iPhone and only in landscape… >>> More
App is getting run in iOS 5.1.1 but crashed in iOS 6.1.3

as seen on Stack Overflow - Search for 'Stack Overflow'
I have implemented below code but app has been crashed in iPad with iOS version 6.1.3,while running perfectly in iPad with iOS version 5.1.1. when I am scrolling table view continuously it is crashed in ios version 6.1.3. what could be the issue. The implemented delegate and data source methods for… >>> More
No provisioned iOS devices are available with a compatible iOS version

as seen on Stack Overflow - Search for 'Stack Overflow'
I'm trying to test my app on an iPhone 3G, however I'm getting this error: No provisioned iOS devices are available with a compatible iOS version. Connect an iOS device with a recent enough version of iOS to run your application or choose an iOS simulator as the destination. Note that: The 3G… >>> More