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Difference between revisions of "S5L8920"
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=== [[Userland]] === |
=== [[Userland]] === |
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* [[MobileBackup Copy Exploit]] - Works up to [[iOS]] 3.1.3 |
* [[MobileBackup Copy Exploit]] - Works up to [[iOS]] 3.1.3 |
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| − | * [[ |
+ | * [[Malformed CFF Vulnerability]] - Works up to [[iOS]] 4.0.1 |
== Boot Chain == |
== Boot Chain == |
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Revision as of 19:08, 12 October 2010
This is the processor used in the iPhone 3GS.
S5L8920 using THUMB-2 instruction set as well as ARM and THUMB ones. Binaries included in iOS are compiled for only Armv7 and are not compatible with older CPUs.
Contents
Exploits
iBoot
- iBoot Environment Variable Overflow - Works up to iOS 3.1 beta 3
- usb_control_msg(0x21, 2) Exploit - Works up to iOS 3.1.2
Bootrom
- 0x24000 Segment Overflow - only in iBoot-359.3
Kernel
- BPF STX Kernel Write Exploit - Works up to iOS 3.1.3
- IOSurface Kernel Exploit - Works up to iOS 4.0.1
Userland
- MobileBackup Copy Exploit - Works up to iOS 3.1.3
- Malformed CFF Vulnerability - Works up to iOS 4.0.1
Boot Chain
Bootrom->LLB->iBoot->Kernel->System Software
