Released May 29, 2018
Bluetooth
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-2018-4215: Abraham Masri (@cheesecakeufo)
Bluetooth
Available for: iPhone X, iPhone 8, iPhone 8 Plus, iPad 6th generation, and iPad Air 2
Not impacted: HomePod
Impact: An attacker in a privileged network position may be able to intercept Bluetooth traffic
Description: An input validation issue existed in Bluetooth. This issue was addressed with improved input validation.
CVE-2018-5383: Lior Neumann and Eli Biham
Entry added July 23, 2018
Contacts
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted vcf file may lead to a denial of service
Description: A validation issue existed in the handling of phone numbers. This issue was addressed with improved validation of phone numbers.
CVE-2018-4100: Abraham Masri (@cheesecakeufo)
CoreGraphics
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: An out-of-bounds read was addressed with improved input validation.
CVE-2018-4194: Jihui Lu of Tencent KeenLab, Yu Zhou of Ant-financial Light-Year Security Lab
Entry added June 21, 2018
Core Bluetooth
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 system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2018-4330: Apple
Entry added August 8, 2018
FontParser
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: A memory corruption issue was addressed with improved validation.
CVE-2018-4211: Proteas of Qihoo 360 Nirvan Team
iBooks
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 spoof password prompts in iBooks
Description: An input validation issue was addressed with improved input validation.
CVE-2018-4202: Jerry Decime
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 buffer overflow was addressed with improved bounds checking.
CVE-2018-4241: Ian Beer of Google Project Zero
CVE-2018-4243: Ian Beer of Google Project Zero
Kernel
Available for: Apple TV 4K and Apple TV (4th 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-2018-4249: Kevin Backhouse of Semmle Ltd.
Entry updated October 8, 2019
libxpc
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 logic issue was addressed with improved validation.
CVE-2018-4237: Samuel Groß (@5aelo) working with Trend Micro’s Zero Day Initiative
libxpc
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 system privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2018-4404: Samuel Groß (@5aelo) working with Trend Micro’s Zero Day Initiative
Entry added October 30, 2018
Magnifier
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 view the last image used in Magnifier from the lockscreen
Description: A permissions issue existed in Magnifier. This was addressed with additional permission checks.
CVE-2018-4239: an anonymous researcher
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact:An attacker may be able to exfiltrate the contents of S/MIME-encrypted e-mail
Description: An issue existed in the handling of encrypted Mail. This issue was addressed with improved isolation of MIME in Mail.
CVE-2018-4227: Damian Poddebniak of Münster University of Applied Sciences, Christian Dresen of Münster University of Applied Sciences, Jens Müller of Ruhr University Bochum, Fabian Ising of Münster University of Applied Sciences, Sebastian Schinzel of Münster University of Applied Sciences, Simon Friedberger of KU Leuven, Juraj Somorovsky of Ruhr University Bochum, Jörg Schwenk of Ruhr University Bochum
Messages
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A local user may be able to conduct impersonation attacks
Description: An injection issue was addressed with improved input validation.
CVE-2018-4235: Anurodh Pokharel of Salesforce.com
Messages
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted message may lead to a denial of service
Description: This issue was addressed with improved message validation.
CVE-2018-4240: Sriram (@Sri_Hxor) of PrimeFort Pvt. Ltd
CVE-2018-4250: Metehan Yılmaz of Sesim Sarpkaya
Safari
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A malicious website may be able to cause a denial of service
Description: A denial of service issue was addressed with improved validation.
CVE-2018-4247: François Renaud, Jesse Viviano of Verizon Enterprise Solutions
Security
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Users may be tracked by malicious websites using client certificates
Description: An issue existed in the handling of S-MIME certificates. This issue was addressed with improved validation of S-MIME certificates.
CVE-2018-4221: Damian Poddebniak of Münster University of Applied Sciences, Christian Dresen of Münster University of Applied Sciences, Jens Müller of Ruhr University Bochum, Fabian Ising of Münster University of Applied Sciences, Sebastian Schinzel of Münster University of Applied Sciences, Simon Friedberger of KU Leuven, Juraj Somorovsky of Ruhr University Bochum, Jörg Schwenk of Ruhr University Bochum
Security
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A local user may be able to read a persistent account identifier
Description: An authorization issue was addressed with improved state management.
CVE-2018-4223: Abraham Masri (@cheesecakeufo)
Security
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A local user may be able to read a persistent device identifier
Description: An authorization issue was addressed with improved state management.
CVE-2018-4224: Abraham Masri (@cheesecakeufo)
Security
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A local user may be able to modify the state of the Keychain
Description: An authorization issue was addressed with improved state management.
CVE-2018-4225: Abraham Masri (@cheesecakeufo)
Security
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A local user may be able to view sensitive user information
Description: An authorization issue was addressed with improved state management.
CVE-2018-4226: Abraham Masri (@cheesecakeufo)
Siri
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 enable Siri from the lock screen
Description: An issue existed with Siri permissions. This was addressed with improved permission checking.
CVE-2018-4238: Baljinder Singh, Muhammad khizer javed, Onur Can BIKMAZ (@CanBkmaz) of Mustafa Kemal University
Siri
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 use Siri to read notifications of content that is set not to be displayed at the lock screen
Description: An issue existed with Siri permissions. This was addressed with improved permission checking.
CVE-2018-4252:Hunter Byrnes, Martin Winkelmann (@Winkelmannnn)
Siri Contacts
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An attacker with physical access to a device may be able to see private contact information
Description: An issue existed with Siri permissions. This was addressed with improved permission checking.
CVE-2018-4244: an anonymous researcher
UIKit
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted text file may lead to a denial of service
Description: A validation issue existed in the handling of text. This issue was addressed with improved validation of text.
CVE-2018-4198:Hunter Byrnes
WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Visiting a malicious website may lead to address bar spoofing
Description: An inconsistent user interface issue was addressed with improved state management.
CVE-2018-4188: YoKo Kho (@YoKoAcc) of Mitra Integrasi Informatika, PT
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-2018-4201: an anonymous researcher
CVE-2018-4218:natashenka of Google Project Zero
CVE-2018-4233: Samuel Groß (@5aelo) working with Trend Micro’s Zero Day Initiative
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: A buffer overflow issue was addressed with improved memory handling.
CVE-2018-4199: Alex Plaskett, Georgi Geshev, and Fabi Beterke of MWR Labs working with Trend Micro’s Zero Day Initiative
Entry updated June 14, 2018
WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Visiting a maliciously crafted website may lead to cookies being overwritten
Description: A permissions issue existed in the handling of web browser cookies. This issue was addressed with improved restrictions.
CVE-2018-4232: an anonymous researcher, Aymeric Chaib
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: A race condition was addressed with improved locking.
CVE-2018-4192: Markus Gaasedelen, Amy Burnett, and Patrick Biernat of Ret2 Systems, Inc working with Trend Micro’s Zero Day Initiative
Entry updated October 8, 2019
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 an unexpected Safari crash
Description: A memory corruption issue was addressed with improved input validation.
CVE-2018-4214: 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 arbitrary code execution
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2018-4204: found by OSS-Fuzz, Richard Zhu (fluorescence) working with Trend Micro's Zero Day Initiative
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: A type confusion issue was addressed with improved memory handling.
CVE-2018-4246: found by OSS-Fuzz
WebKit
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Visiting a maliciously crafted website may leak sensitive data
Description: Credentials were unexpectedly sent when fetching CSS mask images. This was addressed by using a CORS-enabled fetch method.
CVE-2018-4190: Jun Kokatsu (@shhnjk)
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: An out-of-bounds read was addressed with improved input validation.
CVE-2018-4222:natashenka of Google Project Zero
FAQs
What are security features of iOS? ›
- Face ID and Touch ID security.
- Magic Keyboard with Touch ID.
- Face ID, Touch ID, passcodes, and passwords.
- Facial matching security.
- Uses for Face ID and Touch ID.
- Secure intent and connections to the Secure Enclave.
iOS 11.4.
1 includes bug fixes and improves the security of your iPhone or iPad. This update: Fixes an issue that prevented some users from viewing the last known location of their AirPods in Find My iPhone. Improves reliability of syncing mail, contacts and notes with Exchange accounts.
Apple recently added an option called Lockdown Mode specifically for it's most high-risk, high-profile iPhone users. It limits a variety of apps and features to minimize ways that outside attackers could compromise your device, specifically through vulnerabilities Apple itself hasn't discovered yet.
What is the vulnerability in the new iOS update? ›The issue, tracked as CVE-2022-42856, is a type confusion vulnerability in the WebKit browser engine that could result in arbitrary code execution when processing maliciously crafted web content. While it was originally addressed by the company on November 30, 2022, as part of iOS 16.1.
What are the types of security features? ›- Access Control.
- Identification and Authentication.
- Audit and Accountability.
- System and Communications Protection System.
- Information Integrity.
A critical security feature of any technology is the ability to turn it off, undo it, deactivate it, or otherwise separate the harm it might cause from those it might harm.
What kind of iPhone is version 11.4 1? ›Who Is It For? Like previous iOS 11 releases, iOS 11.4. 1 is compatible with the iPhone 5S or later, iPad mini 2 or later and 6th generation iPod touch or later. If you own a compatible iPhone, iPad or iPod touch you should automatically be prompted to install the new update.
What are the features of iOS 11 update? ›- Augmented Reality.
- Peer-to-peer payments using Apple Pay.
- Do Not Disturb while driving.
- A redesigned App Store app.
- Improvements to finding and using iMessage Apps.
- AirPlay 2.
- Improvements to Siri.
- Messages in the Cloud, a feature that makes your text messages available via iCloud.
iPhone 6s Plus (iOS v 11.4. 1) - Can I upg…
What are security features of iPhone 11? ›Face ID, Touch ID, and Passcode. In the Settings app, you can also customize the security for unlocking your iPhone. By default, all iPhone models require a passcode to unlock them. Older models that have the Home button also allow you to unlock your phone using your fingerprint with a feature called Touch ID.
How do I know if my iPhone has the latest security update? ›
At any time, you can check for and install software updates. Go to Settings > General > Software Update. The screen shows the currently installed version of iOS and whether an update is available.
Which version of iOS is most secure? ›iOS security strengths
We found that the most secure iOS update was iOS 5. This update was released in 2011 and first introduced users to iCloud. This update only had three serious vulnerabilities during its year of release, making it the most secure update on our list.
In January 2023, the company continued to cement its legacy of prolonged software support by seeding out security updates to older devices going far back as the iPhone 5s, released in 2013. The security update also includes older Macs and iPads released in the same year.
How do you know if your iPhone has been hacked? ›- iPhone overheating and constant low battery. This is normally a sign that a process is running in the background without your knowledge. ...
- You're informed of strange messages from contacts. ...
- Mysterious messages and texts. ...
- iPhone performance has dropped. ...
- High data usage.
Confidentiality, integrity and availability together are considered the three most important concepts within information security. Considering these three principles together within the framework of the "triad" can help guide the development of security policies for organizations.
What are the four basic for security? ›The Four Objectives of Security: Confidentiality, Integrity, Availability, and Nonrepudiation.
What are four examples of security? ›The four types of security are debt, equity, derivative, and hybrid securities. Holders of equity securities (e.g., shares) can benefit from capital gains by selling stocks.
What are the 6 types of security? ›- Access Controls. The act of restricting access to sensitive data or systems enables your enterprise to mitigate the potential risks associated with data exposure. ...
- Application Security. ...
- Behavioral Analytics. ...
- Firewalls. ...
- Virtual Private Networks. ...
- Wireless Security.
These are economic security, food security, health security environmental security, personal security, community security, and political security.
What is the latest iOS version? ›Get the latest software updates from Apple
The latest version of iOS and iPadOS is 16.3.1. Learn how to update the software on your iPhone, iPad, or iPod touch. The latest version of macOS is 13.2.1. Learn how to update the software on your Mac and how to allow important background updates.
How long will iOS 11 be supported? ›
As a result, with the iPhone 11, unveiled in 2019, you can rest comfortably knowing that you can expect updates through 2025.
Should I update my iOS Iphone 11? ›The good news is that iOS 16.1 was released back in October 2021, so we would suggest that most users, with compatible iPhones, should now upgrade from iOS 15. If you still weren't sure then the new features in iOS 16.2 might be enough to convince you. This update brings with it a number of enticing features.
How do I upgrade from iOS 11.4 to 12? ›Method 1Update OTA from Settings
The easiest way is to just open up the Settings app on your iPhone, tap "General," then select "Software Update." When the update is available, it will show as "iOS 12," so just download and install it using the on-screen prompts.
- Open the “Settings” app on iPhone or iPad.
- Go to “General” then to “Software Update”
- Choose “Download & Install” when iOS 11.4.1 update shows as available.
Built-in security features help prevent anyone but you from accessing the data on your iPhone and in iCloud. Built-in privacy features minimize how much of your information is available to anyone but you, and you can adjust what information is shared and where you share it.
Where are security settings on iPhone 11? ›On your iPhone, iPad, or iPod touch: Go to Settings > [your name] > Password & Security. If your Mac has macOS 13 or later: Choose Apple menu > System Settings, Privacy & Security , then click Privacy.
What type of security is on an iPhone? ›Apple devices have encryption features to safeguard user data and enable remote wipe in the case of device theft or loss.
Do I need the latest iOS update? ›Upgrading to the latest version of iOS or iPadOS software provides the latest features, security updates, and bug fixes. Not all features are available on all devices or in all countries and regions.
Why is the new iOS update important? ›To Improve Security
It is because most vulnerabilities are taken care of by iPhone's security features. But hackers get smarter every day and come up with new ways to hack iPhones. Software updates come with updated security improvements called “patches” based on the vulnerabilities found in the previous version.
As a rule of thumb, your iPhone and your main apps should still work fine, even if you don't do the update. If you do find your apps slowing, though, try upgrading to the latest version of iOS to see if that sorts the problem. Conversely, updating your iPhone to the latest iOS could cause your apps to stop working.
What happens if your iOS is outdated? ›
Security risks are by far the biggest concern with outdated software of any kind. These could allow attackers to run unsigned code on your device through a web browser which could lead to personal information becoming compromised.
Is Apple security warning real? ›Apple threat notifications will never ask you to click any links, open files, install apps or profiles, or provide your Apple ID password or verification code by email or on the phone. To verify that an Apple threat notification is genuine, sign in to appleid.apple.com.
Is one of the security features of the iOS operating system? ›iOS includes the following security features: Apple ID support. Users can sign into websites and apps using their existing Apple ID. Additionally, iOS supports signing in using Face ID or Touch ID, which use biometric authentication methods.
Does iOS have good security? ›While iOS device features are more restricted than an Android device, the iPhone's integrated design makes security vulnerabilities far less frequent and harder to find.
Should I allow iOS to access my Google account? ›...
Examples of sensitive events can include your:
- Account being hacked.
- Account being suspended or disabled.
- Account being signed out from your devices or browsers.
The most common techniques used to protect operating systems include the use of antivirus software and other endpoint protection measures, regular OS patch updates, a firewall for monitoring network traffic, and enforcement of secure access through least privileges and user controls.
How secure is iOS from viruses? ›Fortunately for Apple fans, iPhone viruses are extremely rare, but not unheard of. While generally secure, one of the ways iPhones may become vulnerable to viruses is when they are 'jailbroken'. Jailbreaking an iPhone is a bit like unlocking it — but less legitimate.
Does iOS protect against viruses? ›Because of their shared operating system, iOS devices enjoy Apple's security measures, which keeps them protected from malware and viruses differently from most Android devices.