MobileRead Forums - View Single Post - How to write a jailbreak (Process, Quick Start, First Steps, etc)?

knc1 · 11-01-2019, 11:02 AM

JMTCsW:
I do not think that any of the jail breaks over the years has used the same vulnerability.
Well, other than the most general vulnerability: Lab126
<< several of my most favorite rants deleted at this point >>

You want to have a complete Linux system from one of the more popular distributions.
Anything else will just make your work harder and/or more confusing.
Note: Your complete Linux system can load the Kindle's binary filesystem. It can also run ARM native code on your x86/amd64 development system.
Additional resources:
- KindleTool
  Required. From: NiLuJe's snapshots thread. Also available in source code form in a public repository.
- Kindle resources
  Required. Your favorite Kindle firmware version, both binary (update_*.bin) and source code (only the public parts are posted).
- Tools
  Your number one tool will probably be just staring off into the distance while the mind works.
  - Machine code review
    Suggested. A good tool to consider IDA Pro See: https://www.hex-rays.com/products/ida/index.shtml
  - Java bytecode review
    Suggested. Procyon Read through its Wiki page for choices. See: https://bitbucket.org/mstrobel/procy...a%20Decompiler
  - Scripting review
    Required. Get out your most powerful code documenting text processor.
    There is still a lot of readable scripting in the Kindle coding.
  - Serial port connection
    Recommended. You may never need it, but if you need it, it is already too late to install it.
  - Local networking
    Suggested. It should be possible to "net boot" the Kindle system.
Lots of free time.
The Amazon servers keep all prior Update_*.bin and partial source code files.
Use them, do not Google for anything when you can get the originals from Amazon.
Note: The 'Androidized' device/firmware combinations are still mostly unknown, the previous 'dual system boot' device/firmware combinations are better described.

11-01-2019, 11:02 AM	#3
knc1 Going Viral Posts: 17,212 Karma: 18210809 Join Date: Feb 2012 Location: Central Texas Device: No K1, PW2, KV, KOA	JMTCsW: I do not think that any of the jail breaks over the years has used the same vulnerability. Well, other than the most general vulnerability: Lab126 << several of my most favorite rants deleted at this point >> You want to have a complete Linux system from one of the more popular distributions. Anything else will just make your work harder and/or more confusing. Note: Your complete Linux system can load the Kindle's binary filesystem. It can also run ARM native code on your x86/amd64 development system. Additional resources: KindleTool Required. From: NiLuJe's snapshots thread. Also available in source code form in a public repository. Kindle resources Required. Your favorite Kindle firmware version, both binary (update_.bin) and source code (only the public parts are posted). Tools Your number one tool will probably be just staring off into the distance while the mind works. Machine code review Suggested. A good tool to consider IDA Pro See: https://www.hex-rays.com/products/ida/index.shtml Java bytecode review Suggested. Procyon Read through its Wiki page for choices. See: https://bitbucket.org/mstrobel/procy...a%20Decompiler Scripting review Required. Get out your most powerful code documenting text processor. There is still a lot of readable scripting in the Kindle coding. Serial port connection Recommended. You may never need it, but if you need it, it is already too late to install it. Local networking Suggested. It should be possible to "net boot" the Kindle system. Lots of free time. The Amazon servers keep all prior Update_.bin and partial source code files. Use them, do not Google for anything when you can get the originals from Amazon. Note: The 'Androidized' device/firmware combinations are still mostly unknown, the previous 'dual system boot' device/firmware combinations are better described. Last edited by knc1; 11-01-2019 at 11:14 AM.