June 21, 2024
iOS 15.0.2 Fixes Vulnerability That May Be Used for Future Jailbreak

iOS 15.0.2 Fixes Vulnerability That May Be Used for Future Jailbreak

Posted October 12, 2021 at 3:51am by iClarified
Apple released iOS 15.0.2 today fixing a vulnerability that could be used for a future jailbreak of iOS 14 and iOS 15.

The vulnerability, credited to an anonymous researcher, was detailed in the security release notes for iOS 15.0.2.

● Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)

● Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited.

● Description: A memory corruption issue was addressed with improved memory handling.

● CVE-2021-30883: an anonymous researcher

Security researcher Saar Amar has already developed a proof of concept exploit.

In the last iOS security update (15.0.2) Apple fixed a vulnerability in IOMobileFrameBuffer/AppleCLCD, which they specified was exploited in the wild (CVE-2021-30883). This attack surface is highly interesting because it’s accessible from the app sandbox (so it’s great for jailbreaks) and many other processes, making it a good candidate for LPEs exploits in chains (WebContent, etc.).

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iOS 15.0.2 Fixes Vulnerability That May Be Used for Future Jailbreak
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