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Difference between revisions of "Sandbox"
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| + | Apple's software based [[Wikipedia:Hypervisor|Hypervisor]] that was introduced in [[iOS]] 2.0. |
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| − | {{DISPLAYTITLE:sandbox}} |
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| − | Apple's software based [[Wikipedia:Hypervisor|Hypervisor]] that was introduced in [[firmware]] 2.0 is named [[Sandbox]]. |
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== Problem's == |
== Problem's == |
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| − | *In addition to the new set of frameworks in 2.0, applications had to be tweaked to use the new |
+ | *In addition to the new set of frameworks in 2.0, applications had to be tweaked to use the new sandbox. |
*For applications to run, they need to have a folder called [[_Codesign]] with a file inside called [[CodeResources]] |
*For applications to run, they need to have a folder called [[_Codesign]] with a file inside called [[CodeResources]] |
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*If a [[userland]] exploit was discovered in an [[App Store]] app, the [[CodeResources]] would become invalid when a file was injected. |
*If a [[userland]] exploit was discovered in an [[App Store]] app, the [[CodeResources]] would become invalid when a file was injected. |
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| − | *The checks are not as hard on built in applications in the [[firmware]] |
+ | *The checks are not as hard on built in applications in the [[firmware]] [http://pastebin.com/6C55pTxf] (only version.plist is checked to prevent a [[soft upgrade]] ) |
== Exploits == |
== Exploits == |
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Revision as of 16:13, 14 December 2011
Apple's software based Hypervisor that was introduced in iOS 2.0.
Problem's
- In addition to the new set of frameworks in 2.0, applications had to be tweaked to use the new sandbox.
- For applications to run, they need to have a folder called _Codesign with a file inside called CodeResources
- If a userland exploit was discovered in an App Store app, the CodeResources would become invalid when a file was injected.
- The checks are not as hard on built in applications in the firmware [1] (only version.plist is checked to prevent a soft upgrade )
Exploits
The dependency on the CodeResources file makes it vulnerable to the Incomplete Codesign Exploit
