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macOS High Sierra Supplemental Update Addresses Disk Utility, Keychain Vulnerabilities

macOS High Sierra Supplemental Update Addresses Disk Utility, Keychain Vulnerabilities 5gf14

By Gadgets 360 Staff | Updated: 6 October 2017 13:04 IST

Highlights

Apple has released a supplemental update to macOS High Sierra
It’s the first update since Apple releases macOS High Sierra last month
The update addresses two security vulnerabilities

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Apple has released a supplemental update to macOS High Sierra 10.13 to address a software vulnerability in Disk Utility tool that was revealing the s of encrypted Apple File System (APFS) volumes in plain text. It also addresses a vulnerability in Keychain security mechanism. 1e6l1a

Matheus Mariano, a Brazil based software developer recently discovered and demonstrated a bug in Disk Utility tool that exposed the s of encrypted Apple File System volumes. After a would unmount and remount a newly created encrypted APFS volume, the "Show Hint" button would reveal the instead of hint, Mariano explained.

The supplemental update to macOS High Sierra 10.13, which was released to public last month, addresses that bug. Additionally Apple also released a document alongside the new software update to guide s how they could protect their data if the aforementioned vulnerability affected them.

In a separate document, Apple said the supplemental update will also fix a vulnerability that could let a hacker by the Keychain's security mechanism using a third-party application to steal names and s. This vulnerability was first highlighted by ex-NSA analyst Partrick Wardle.

According to Apple, the update also fixes a cursor graphic bug in Adobe InDesign, and resolves an issue where messages couldn't be deleted from Yahoo s in Mail. The update also improves installer robustness.

macOS High Sierra, which Apple first unveiled at WWDC developer conference earlier this year, offers a modern file system APFS, Metal 2 graphics improvements, new capabilities in Safari, and improvements to company's own apps such as Notes, Mail and Photos. It's a free upgrade over macOS Sierra that Apple released last year.

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