苹果6苹果11.3系统怎么样

ios11.3怎么样？

很流畅，升级系统的操作步骤如下：
一，在设备上升级iphone系统步骤如下；
1.在连接WiFi的状态下打开iphone上的“设置”图标。
2.设置列表点击“通用”选项，然后再点击“软件更新”。
3.系统会连网检测更新，如果有更新的话，会提示下载并安装。根据它的提示操作即可。
二，在电脑上使用iTunes更新系统，步骤如下。
1.把 iphone 与电脑连接起来，打开 iTunes 软件，点击右上方的“iphone”按钮。
2.当 iTunes 检测到有连接的设备之后，都会自动连网检测是否当前有可用的更新系统，然后会自动弹出升级更新出来。
3.如果没有弹出来的话，还可以在iphone的摘要界面点击“检查更新”按钮。
4.等待检测出当前iphone可用更新以后，按照提示下载更新升级，就可以了。

About the security content of iOS 11.3

This document describes the security content of iOS 11.3.

About Apple security updates

For our customers' protection, Apple doesn't disclose, discuss, or confirm security issues until an investigation has occurred and patches or releases are available. Recent releases are listed on the Apple security updates page.

For more information about security, see the Apple Product Security page. You can encrypt communications with Apple using the Apple Product Security PGP Key.

Apple security documents reference vulnerabilities by CVE-ID when possible.

iOS 11.3

Released March 29, 2018

Clock

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A person with physical access to an iOS device may be able to see the email address used for iTunes

Description: An information disclosure issue existed in the handling of alarms and timers. This issue was addressed through improved access restrictions.

CVE-2018-4123: Zaheen Hafzar M M (@zaheenhafzer)

CoreFoundation

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2018-4155: Samuel Groß (@5aelo)

CVE-2018-4158: Samuel Groß (@5aelo)

CoreText

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Processing a maliciously crafted string may lead to a denial of service

Description: A denial of service issue was addressed through improved memory handling.

CVE-2018-4142: Robin Leroy of Google Switzerland GmbH

File System Events

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2018-4167: Samuel Groß (@5aelo)

Files Widget

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: File Widget may display contents on a locked device

Description: The File Widget was displaying cached data when in the locked state. This issue was addressed with improved state management.

CVE-2018-4168: Brandon Moore

Find My iPhone

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A person with physical access to the device may be able to disable Find My iPhone without entering an iCloud password

Description: A state management issue existed when restoring from a back up. This issue was addressed through improved state checking during restore.

CVE-2018-4172: Viljami Vastamäki

iCloud Drive

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2018-4151: Samuel Groß (@5aelo)

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to execute arbitrary code with kernel privileges

Description: Multiple memory corruption issues were addressed with improved memory handling.

CVE-2018-4150: an anonymous researcher

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to read restricted memory

Description: A validation issue was addressed with improved input sanitization.

CVE-2018-4104: The UK's National Cyber Security Centre (NCSC)

Kernel

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to execute arbitrary code with kernel privileges

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

CVE-2018-4143: derrek (@derrekr6)

Mail

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An attacker in a privileged network position may be able to intercept the contents of S/MIME-encrypted e-mail

Description: An inconsistent user interface issue was addressed with improved state management.

CVE-2018-4174: an anonymous researcher, an anonymous researcher

NSURLSession

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2018-4166: Samuel Groß (@5aelo)

PluginKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2018-4156: Samuel Groß (@5aelo)

Quick Look

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2018-4157: Samuel Groß (@5aelo)

Safari

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Visiting a malicious website by clicking a link may lead to user interface spoofing

Description: An inconsistent user interface issue was addressed with improved state management.

CVE-2018-4134: xisigr of Tencent's Xuanwu Lab (tencent.com), Zhiyang Zeng (@Wester) of Tencent Security Platform Department

Safari Login AutoFill

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious website may be able to exfiltrate autofilled data in Safari without explicit user interaction.

Description: Safari autofill did not require explicit user interaction before taking place. The issue was addressed through improved autofill heuristics.

CVE-2018-4137

SafariViewController

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Visiting a malicious website may lead to user interface spoofing

Description: A state management issue was addressed by disabling text input until the destination page loads.

CVE-2018-4149: Abhinash Jain (@abhinashjain)

Security

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious application may be able to elevate privileges

Description: A buffer overflow was addressed with improved size validation.

CVE-2018-4144: Abraham Masri (@cheesecakeufo)

Storage

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An application may be able to gain elevated privileges

Description: A race condition was addressed with additional validation.

CVE-2018-4154: Samuel Groß (@5aelo)

System Preferences

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A configuration profile may incorrectly remain in effect after removal

Description: An issue existed in CFPreferences. This issue was addressed through improved preferences cleanup.

CVE-2018-4115: Johann Thalakada, Vladimir Zubkov, and Matt Vlasach of Wandera

Telephony

Available for: iPhone 5s and later, and WiFi + Cellular models of iPad Air and later

Impact: A remote attacker can cause a device to unexpectedly restart

Description: A null pointer dereference issue existed when handling Class 0 SMS messages. This issue was addressed through improved message validation.

CVE-2018-4140: @mjonsson, Arjan van der Oest of Voiceworks BV

Entry updated March 30, 2018

Telephony

Available for: iPhone 5s and later, and WiFi + Cellular models of iPad Air and later

Impact: A remote attacker may be able to execute arbitrary code

Description: Multiple buffer overflows were addressed with improved input validation.

CVE-2018-4148: Nico Golde of Comsecuris UG

Entry added March 30, 2018

Web App

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Cookies may unexpectedly persist in web app

Description: A cookie management issue was addressed through improved state management.

CVE-2018-4110: Ben Compton and Jason Colley of Cerner Corporation

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Processing maliciously crafted web content may lead to arbitrary code execution

Description: Multiple memory corruption issues were addressed with improved memory handling.

CVE-2018-4101: Yuan Deng of Ant-financial Light-Year Security Lab

CVE-2018-4114: found by OSS-Fuzz

CVE-2018-4118: Jun Kokatsu (@shhnjk)

CVE-2018-4119: an anonymous researcher working with Trend Micro's Zero Day Initiative

CVE-2018-4120: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team

CVE-2018-4121: Natalie Silvanovich of Google Project Zero

CVE-2018-4122: WanderingGlitch of Trend Micro’s Zero Day Initiative

CVE-2018-4125: WanderingGlitch of Trend Micro's Zero Day Initiative

CVE-2018-4127: an anonymous researcher working with Trend Micro's Zero Day Initiative

CVE-2018-4128: Zach Markley

CVE-2018-4129: likemeng of Baidu Security Lab working with Trend Micro's Zero Day Initiative

CVE-2018-4130: Omair working with Trend Micro's Zero Day Initiative

CVE-2018-4161: WanderingGlitch of Trend Micro's Zero Day Initiative

CVE-2018-4162: WanderingGlitch of Trend Micro's Zero Day Initiative

CVE-2018-4163: WanderingGlitch of Trend Micro's Zero Day Initiative

CVE-2018-4165: Hanming Zhang (@4shitak4) of Qihoo 360 Vulcan Team

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Unexpected interaction with indexing types causing an ASSERT failure

Description: An array indexing issue existed in the handling of a function in javascript core. This issue was addressed through improved checks

CVE-2018-4113: found by OSS-Fuzz

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: Processing maliciously crafted web content may lead to a denial of service

Description: A memory corruption issue was addressed through improved input validation

CVE-2018-4146: found by OSS-Fuzz

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: A malicious website may exfiltrate data cross-origin

Description: A cross-origin issue existed with the fetch API. This was addressed through improved input validation.

CVE-2018-4117: an anonymous researcher, an anonymous researcher

WindowServer

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation

Impact: An unprivileged application may be able to log keystrokes entered into other applications even when secure input mode is enabled

Description: By scanning key states, an unprivileged application could log keystrokes entered into other applications even when secure input mode was enabled. This issue was addressed by improved state management.

CVE-2018-4131: Andreas Hegenberg of folivora.AI GmbH