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Difference between revisions of "S5L8920"
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=== [[S5L8920 (Bootrom)|Bootrom]] === |
=== [[S5L8920 (Bootrom)|Bootrom]] === |
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* [[0x24000 Segment Overflow]] - only in [[iBoot-359.3]] |
* [[0x24000 Segment Overflow]] - only in [[iBoot-359.3]] |
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| − | * [[SHAtter]] |
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=== [[Kernel]] === |
=== [[Kernel]] === |
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Revision as of 22:40, 30 September 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
- PDF CFF Font Stack Overflow - Works up to iOS 4.0.1
Boot Chain
Bootrom->LLB->iBoot->Kernel->System Software
