Apple Monday, October 30, presented the first beta build of iOS 11.2, watchOS tvOS 4.2 and 11.2 before the final release of the previous versions. With macOS, Apple decided to introduce a residual version of the High Sierra 10.13.1.
Upgrade desktop operating system Apple fixes one serious security problems reported by users. Buried in the release, KRACK WPA2 vulnerability, which attackers can intercept Wi-Fi traffic users.
The presence of gaps in the system became known earlier this month. The vulnerability allowed an error of WPA2 authentication Protocol, used by most modern wireless networks.
The vulnerability allowed hackers to infiltrate the Protocol used by the algorithm is a four-sided “handshake”. This mechanism is used for authentication every time the client connects to the protected network. During the “handshake” access point and the client form a key that is then used to encrypt and secure traffic.
With the help of the breach the hackers could easily decrypt traffic, Internet packet sniffing, theft of a TCP connection spoofing of HTTP content, etc.
In addition, macOS High Sierra 10.13.1 there is a new set of Emoji, improved performance and fixed a sync error messages to Microsoft Exchange, and also fixed the problem where entering a search query in Spotlight.
To install new users on all supported devices using the Mac App Store.
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