Security Market Segment LS
Thursday, 20 July 2017 10:35

Another swag of security updates from Apple


Apple has released security updates for all of its platforms, and also for Safari for Mac, and iTunes and iCloud for Windows.

Apple has released security updates for macOS (and recent versions of OS X), iOS, watchOS and tvOS.

macOS 10.12.6 and the associated security updates for Yosemite and El Capitan address three dozen vulnerabilities in the Macintosh operating system.

They're mostly the same old story – buffer overflows or memory corruption issues that can be exploited to execute arbitrary code, often triggered by maliciously crafted media files (this time mostly audio files).

Significantly, the update includes a Sierra-specific update for a vulnerability (CVE-2017-9417) that allowed an attacker to execute arbitrary code on the Wi-Fi chip.

The number of vulnerabilities addressed in iOS 10.3.3 is even longer.

Given the commonality between Apple's operating systems, it's no surprise that many of the macOS issues also relate to iOS, including the Wi-Fi vulnerability. A similar issue affecting Broadcom BCM43xx Wi-Fi chips was discovered earlier this year by Google (CVE-2017-6975) and addressed in iOS 10.3.1.

Among the iOS-specific issues is a flaw in the Telephony code that could be used to execute arbitrary code.

watchOS and tvOS address similar lists of vulnerabilities, including the Wi-Fi issue.

Safari 10.1.2 for Mac contains fixes for 25 issues, several of them corresponding to changes delivered as part of iOS 10.3.3.

Among the more interesting are patches to prevent malicious web content from triggering an infinite number of print dialogs or spoofing the address bar.

iTunes for Windows 12.6.2 and iCloud for Windows 6.2.2 are mostly about delivering the fixes to WebKit (Apple's software for rendering web content) that are contained in the updates for Apple's own products.

The various updates are available in the usual ways, including the App Store for macOS and Software Update for iOS.

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Stephen Withers

Stephen Withers is one of Australia¹s most experienced IT journalists, having begun his career in the days of 8-bit 'microcomputers'. He covers the gamut from gadgets to enterprise systems. In previous lives he has been an academic, a systems programmer, an IT support manager, and an online services manager. Stephen holds an honours degree in Management Sciences and a PhD in Industrial and Business Studies.

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