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Difference between revisions of "S5L8920"
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== Boot Chain == |
== Boot Chain == |
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| − | [[ |
+ | [[Bootrom]]→[[LLB]]→[[iBoot]]→[[Kernel]]→[[Firmware|System Software]] |
== See also == |
== See also == |
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| − | * [[ |
+ | * [[Bootrom]] |
* [[S5L8920 (Hardware)]] |
* [[S5L8920 (Hardware)]] |
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* [[S5L8920 (Hardware - Quick Notes)]] |
* [[S5L8920 (Hardware - Quick Notes)]] |
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Revision as of 21:32, 15 October 2012
This is the processor used in the iPhone 3GS.
S5L8920 and derivative SoCs use the armv7 family, with later versions of the architecture using armv7f/armv7s.
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
Bootrom
Bootrom Version: Bootrom 359.3
Units produced after 2009 week 40 have Bootrom 359.3.2 and not vulnerable to the 0x24000 Segment Overflow.
Exploits
Bootrom
Related iOS 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
Kernel
- BPF STX Kernel Write Exploit - Works up to iOS 3.1.3
- IOSurface Kernel Exploit - Works up to iOS 4.0.1
- Packet Filter Kernel Exploit - Works up to iOS 4.1
- HFS Legacy Volume Name Stack Buffer Overflow - Works up to iOS 4.2.1
- ndrv_setspec() Integer Overflow - Works up to iOS 4.3.3
- HFS Heap Overflow - Works up to iOS 5.0.1
Userland
- MobileBackup Copy Exploit - Works up to iOS 3.1.3
- Malformed CFF Vulnerability - Works up to iOS 4.0.1
- T1 Font Integer Overflow- Works up to iOS 4.3.3
- Racoon String Format Overflow Exploit - Works up to iOS 5.0.1
Boot Chain
Bootrom→LLB→iBoot→Kernel→System Software
