Apple Just Patched a Serious Vulnerability in Broadcom's Wi-Fi Chip

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Mar 15, 2017
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Apple Just Patched a Serious Vulnerability in Broadcom's Wi-Fi Chip,
Upgrade to iOS 10.3.3 Now!

With the release of iOS 10.3.3 yesterday, Apple has patched a serious vulnerability in the Broadcom Wi-Fi chip used in recent iPhone, iPad, and iPod touch devices.

Dubbed Broadpwn, the vulnerability was found by Exodus Intelligence researcher Nitay Artenstein.

Meet Broadpwn, a vulnerability in Broadcom's Wi-Fi chipsets which affects millions of Android and iOS devices, and can be triggered remotely, without user interaction. The Broadcom BCM43xx family of Wi-Fi chips is found in an extraordinarily wide range of mobile devices - from various iPhone models, to HTC, LG, Nexus and practically the full range of Samsung flagship devices.




At Blackhat USA 2017 (July 22-24), Artenstein will explain how the bug was found and exploited to achieve full code execution and how they went on to leverage control of the Wi-Fi chip in order to run code in the main application processor.

Here's the security note detailing Apple's Broadpwn fix...


Wi-Fi
● Available for: iPhone 5 and later, iPad 4th generation and later, and iPod touch 6th generation
● Impact: An attacker within range may be able to execute arbitrary code on the Wi-Fi chip
● Description: A memory corruption issue was addressed with improved memory handling.
● CVE-2017-9417: Nitay Artenstein of Exodus Intelligence.
 
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