Hacking

Expert shares PoC exploit code for remote iOS 12 jailbreak On iPhone X

Researcher published a PoC exploit code for critical vulnerabilities that could be chained to implement an iOS jailbreak On iPhone X

The security researcher Qixun Zhao of Qihoo 360’s Vulcan Team has published a PoC exploit code for critical vulnerabilities in Apple Safari web browser and iOS that could be exploited by a remote attacker to jailbreak an iPhoneX running iOS 12.1.2 and early versions.

The exploitation of the flaw is quite simple, the attacker needs to trick victims into opening a specially crafted web page using Safari browser.

The PoC code developed by Qixun Zhao, dubbed Chaos, chains two security flaws that were demonstrated at TianfuCup hacking contest in November.

The Chaos exploit code triggers a couple of vulnerabilities, a type confusion memory corruption flaw in Apple’s Safari WebKit (CVE-2019-6227) and a use-after-free memory corruption bug (CVE-2019-6225) in iOS Kernel. Apple addressed the flaws by releasing the iOS version 12.1.3

The Safari vulnerability allowed maliciously crafted web content to execute arbitrary code on the targeted device, which then the second one allowed to elevate privileges and silently deploy a malicious application

Zhao published a blog post that includes some details for the exploit code, the expert also shared a PoC video demonstration for it.

Zhao hasn’t published the exploit code for the iOS jailbreak to prevent attacks in the wild.

“I will not release the exploit code, if you want to jailbreak, you will need to complete the exploit code yourself or wait for the jailbreak community’s release. At the same time, I will not mention the exploit details of the post exploit, as this is handled by the jailbreak community,” Zhao said.

iPhone users urge to install the latest iOS update as soon as possible,

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Pierluigi Paganini

(SecurityAffairs – iOS jailbreak, Apple)

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Pierluigi Paganini

Pierluigi Paganini is member of the ENISA (European Union Agency for Network and Information Security) Threat Landscape Stakeholder Group and Cyber G7 Group, he is also a Security Evangelist, Security Analyst and Freelance Writer. Editor-in-Chief at "Cyber Defense Magazine", Pierluigi is a cyber security expert with over 20 years experience in the field, he is Certified Ethical Hacker at EC Council in London. The passion for writing and a strong belief that security is founded on sharing and awareness led Pierluigi to find the security blog "Security Affairs" recently named a Top National Security Resource for US. Pierluigi is a member of the "The Hacker News" team and he is a writer for some major publications in the field such as Cyber War Zone, ICTTF, Infosec Island, Infosec Institute, The Hacker News Magazine and for many other Security magazines. Author of the Books "The Deep Dark Web" and “Digital Virtual Currency and Bitcoin”.

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