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Difference between revisions of "Checkm8 Exploit"
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| − | The '''checkm8 exploit''' is a [[bootrom]] exploit with a CVE ID of CVE-2019-8900 used to run unsigned code on iOS, iPadOS, tvOS, watchOS, |
+ | The '''checkm8 exploit''' is a [[bootrom]] exploit with a CVE ID of CVE-2019-8900 used to run unsigned code on iOS, iPadOS, tvOS, watchOS, bridgeOS, audioOS, and Haywire devices with processors between an A5 and an A11, a S1P and a S3, a S5L8747, and a T2 (and thereby [[jailbreak]] it). Jailbreaks based on checkm8 are [[semi-tethered jailbreak]]s as the exploit works by taking advantage of a use-after-free in the USB DFU stack. |
| − | [[ipwndfu]] |
+ | [[ipwndfu]], [[Fugu]], [[checkra1n]], and [[checkm8-a5]] are currently the main tools capable of using the checkm8 exploit. |
== References == |
== References == |
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* [https://habr.com/en/company/dsec/blog/472762/ Technical analysis of the checkm8 exploit] |
* [https://habr.com/en/company/dsec/blog/472762/ Technical analysis of the checkm8 exploit] |
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* [https://www.kb.cert.org/vuls/id/941987/ Apple devices vulnerable to arbitrary code execution in SecureROM] |
* [https://www.kb.cert.org/vuls/id/941987/ Apple devices vulnerable to arbitrary code execution in SecureROM] |
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| + | * [https://news.ycombinator.com/item?id=22849837 https://news.ycombinator.com/item?id=22849837] |
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| + | * [https://arstechnica.com/information-technology/2019/09/developer-of-checkm8-explains-why-idevice-jailbreak-exploit-is-a-game-changer Developer of Checkm8 explains why iDevice jailbreak exploit is a game changer] |
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Latest revision as of 03:44, 27 February 2022
The checkm8 exploit is a bootrom exploit with a CVE ID of CVE-2019-8900 used to run unsigned code on iOS, iPadOS, tvOS, watchOS, bridgeOS, audioOS, and Haywire devices with processors between an A5 and an A11, a S1P and a S3, a S5L8747, and a T2 (and thereby jailbreak it). Jailbreaks based on checkm8 are semi-tethered jailbreaks as the exploit works by taking advantage of a use-after-free in the USB DFU stack.
ipwndfu, Fugu, checkra1n, and checkm8-a5 are currently the main tools capable of using the checkm8 exploit.
