Apple has recently released its most awaited iOS 11 along with the launching of latest iPhone 8, iPhone 8 Plus and iPhone X on Apple event. Unfortunately, a number of security issues and vulnerabilities are getting revealed continually in various products. The security issues could compromise the reputation of Apple products.

While, Apple released security updates for iCloud for Windows, macOS operating system and macOS server on 25th Sept. 2017, now iOS 11.0.1 is released to address the bugs of iOS 11. It’s strange that everyone was expecting more security from iOS 11 but as per US-CERT notification, the vulnerabilities exposed could allow attackers to take the control of the affected device.

The Apple users who have upgraded their devices to iOS 11 are recommended to apply the latest iOS 11.0.1 Update in order to get rid of the security issues. Apple security team has fixed 62 vulnerabilities in this iOS update.

 

iOS 11 security updates, iOS 11.0.1 released , ios 11 update

iOS 11.0.1 has addressed the bugs affecting the various features such as Bluetooth, CFNetwork Proxies, Exchange ActiveSync, CoreAudio, Heimdal, Exchange ActiveSync, Heimdal, iBooks, Kernel, Keyboard Suggestions, libc, libexpat, Location Framework, Mail MessageUI, Mail Drafts, Messages, MobileBackup, SQLite, Security, Safari, WebKit, zlib and Wi-Fi.

Security Content of iOS 11.0.1

Bluetooth

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An application may be able to access restricted files
Description: A privacy issue existed in the handling of Contact cards. This was addressed with improved state management.
CVE-2017-7131: an anonymous researcher, Elvis (@elvisimprsntr), Dominik Conrads of Federal Office for Information Security, an anonymous researcher

CFNetwork Proxies

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 cause a denial of service
Description: Multiple denial of service issues were addressed through improved memory handling.
CVE-2017-7083: Abhinav Bansal of Zscaler Inc.

CoreAudio

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: An out-of-bounds read was addressed by updating to Opus version 1.1.4.
CVE-2017-0381: V.E.O (@VYSEa) of Mobile Threat Research Team, Trend Micro

Exchange ActiveSync

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 erase a device during Exchange account setup
Description: A validation issue existed in AutoDiscover V1. This was addressed by requiring TLS for AutoDiscover V1. AutoDiscover V2 is now supported.
CVE-2017-7088: Ilya Nesterov, Maxim Goncharov

Heimdal

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 impersonate a service
Description: A validation issue existed in the handling of the KDC-REP service name. This issue was addressed through improved validation.
CVE-2017-11103: Jeffrey Altman, Viktor Duchovni, and Nico Williams

iBooks

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Parsing a maliciously crafted iBooks file may lead to a persistent denial-of-service
Description: Multiple denial of service issues were addressed through improved memory handling.
CVE-2017-7072: Jędrzej Krysztofiak

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-2017-7114: Alex Plaskett of MWR InfoSecurity

Keyboard Suggestions

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Keyboard autocorrect suggestions may reveal sensitive information
Description: The iOS keyboard was inadvertently caching sensitive information. This issue was addressed with improved heuristics.
CVE-2017-7140: an anonymous researcher

libc

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A remote attacker may be able to cause a denial-of-service
Description: A resource exhaustion issue in glob() was addressed through an improved algorithm.
CVE-2017-7086: Russ Cox of Google

libc

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An application may be able to cause a denial of service
Description: A memory consumption issue was addressed through improved memory handling.
CVE-2017-1000373

libexpat

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Multiple issues in expat
Description: Multiple issues were addressed by updating to version 2.2.1
CVE-2016-9063
CVE-2017-9233

Location Framework

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An application may be able to read sensitive location information
Description: A permissions issue existed in the handling of the location variable. This was addressed with additional ownership checks.
CVE-2017-7148: an anonymous researcher, an anonymous researcher

Mail Drafts

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An attacker with a privileged network position may be able to intercept mail contents
Description: An encryption issue existed in the handling of mail drafts. This issue was addressed with improved handling of mail drafts meant to be sent encrypted.
CVE-2017-7078: an anonymous researcher, an anonymous researcher, an anonymous researcher

Mail MessageUI

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted image may lead to a denial of service
Description: A memory corruption issue was addressed with improved validation.
CVE-2017-7097: Xinshu Dong and Jun Hao Tan of Anquan Capital
Messages
Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Processing a maliciously crafted image may lead to a denial of service
Description: A denial of service issue was addressed through improved validation.
CVE-2017-7118: Kiki Jiang and Jason Tokoph

MobileBackup

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Backup may perform an unencrypted backup despite a requirement to perform only encrypted backups
Description: A permissions issue existed. This issue was addressed with improved permission validation.
CVE-2017-7133: Don Sparks of HackediOS.com

Phone

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A screenshot of secure content may be taken when locking an iOS device
Description: A timing issue existed in the handling of locking. This issue was addressed by disabling screenshots while locking.
CVE-2017-7139: an anonymous researcher

Safari

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-2017-7085: xisigr of Tencent’s Xuanwu Lab (tencent.com)

Security

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A revoked certificate may be trusted
Description: A certificate validation issue existed in the handling of revocation data. This issue was addressed through improved validation.
CVE-2017-7080: an anonymous researcher, an anonymous researcher, Sven Driemecker of adesso mobile solutions gmbh, Rune Darrud (@theflyingcorpse) of Bærum kommune

Security

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A malicious app may be able to track users between installs
Description: A permission checking issue existed in the handling of an app’s Keychain data. This issue was addressed with improved permission checking.
CVE-2017-7146: an anonymous researcher

SQLite

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Multiple issues in SQLite
Description: Multiple issues were addressed by updating to version 3.19.3.
CVE-2017-10989: found by OSS-Fuzz
CVE-2017-7128: found by OSS-Fuzz
CVE-2017-7129: found by OSS-Fuzz
CVE-2017-7130: found by OSS-Fuzz

SQLite

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-2017-7127: an anonymous researcher

Time

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: “Setting Time Zone” may incorrectly indicate that it is using location
Description: A permissions issue existed in the process that handles time zone information. The issue was resolved by modifying permissions.
CVE-2017-7145: an anonymous researcher

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 through improved input validation.
CVE-2017-7081: Apple

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-2017-7087: Apple
CVE-2017-7091: Wei Yuan of Baidu Security Lab working with Trend Micro’s Zero Day Initiative
CVE-2017-7092: Samuel Gro and Niklas Baumstark working with Trend Micro’s Zero Day Initiative, Qixun Zhao (@S0rryMybad) of Qihoo 360 Vulcan Team
CVE-2017-7093: Samuel Gro and Niklas Baumstark working with Trend Micro’s Zero Day Initiative
CVE-2017-7094: Tim Michaud (@TimGMichaud) of Leviathan Security Group
CVE-2017-7095: Wang Junjie, Wei Lei, and Liu Yang of Nanyang Technological University working with Trend Micro’s Zero Day Initiative
CVE-2017-7096: Wei Yuan of Baidu Security Lab
CVE-2017-7098: Felipe Freitas of Instituto Tecnológico de Aeronáutica
CVE-2017-7099: Apple
CVE-2017-7100: Masato Kinugawa and Mario Heiderich of Cure53
CVE-2017-7102: Wang Junjie, Wei Lei, and Liu Yang of Nanyang Technological University
CVE-2017-7104: likemeng of Baidu Secutity Lab
CVE-2017-7107: Wang Junjie, Wei Lei, and Liu Yang of Nanyang Technological University
CVE-2017-7111: likemeng of Baidu Security Lab (xlab.baidu.com) working with Trend Micro’s Zero Day Initiative
CVE-2017-7117: lokihardt of Google Project Zero
CVE-2017-7120: chenqin (陈钦) of Ant-financial Light-Year Security Lab

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 universal cross-site scripting
Description: A logic issue existed in the handling of the parent-tab. This issue was addressed with improved state management.
CVE-2017-7089: Anton Lopanitsyn of ONSEC, Frans Rosén of Detectify

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Cookies belonging to one origin may be sent to another origin
Description: A permissions issue existed in the handling of web browser cookies. This issue was addressed by no longer returning cookies for custom URL schemes.
CVE-2017-7090: Apple

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-2017-7106: Oliver Paukstadt of Thinking Objects GmbH (to.com)

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 cross site scripting attack
Description: Application Cache policy may be unexpectedly applied.
CVE-2017-7109: avlidienbrunn

WebKit

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: A malicious website may be able to track users in Safari private browsing mode
Description: A permissions issue existed in the handling of web browser cookies. This issue was addressed with improved restrictions.
CVE-2017-7144: an anonymous researcher

Wi-Fi

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: An attacker within range may be able to execute arbitrary code on the Wi-Fi chip
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2017-11120: Gal Beniamini of Google Project Zero
CVE-2017-11121: Gal Beniamini of Google Project Zero

Wi-Fi

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Malicious code executing on the Wi-Fi chip may be able to execute arbitrary code with kernel privileges on the application processor
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2017-7103: Gal Beniamini of Google Project Zero
CVE-2017-7105: Gal Beniamini of Google Project Zero
CVE-2017-7108: Gal Beniamini of Google Project Zero
CVE-2017-7110: Gal Beniamini of Google Project Zero
CVE-2017-7112: Gal Beniamini of Google Project Zero

Wi-Fi

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Malicious code executing on the Wi-Fi chip may be able to execute arbitrary code with kernel privileges on the application processor
Description: Multiple race conditions were addressed through improved validation.
CVE-2017-7115: Gal Beniamini of Google Project Zero

Wi-Fi

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Malicious code executing on the Wi-Fi chip may be able to read restricted kernel memory
Description: A validation issue was addressed with improved input sanitization.
CVE-2017-7116: Gal Beniamini of Google Project Zero

zlib

Available for: iPhone 5s and later, iPad Air and later, and iPod touch 6th generation
Impact: Multiple issues in zlib
Description: Multiple issues were addressed by updating to version 1.2.11.
CVE-2016-9840
CVE-2016-9841
CVE-2016-9842
CVE-2016-9843

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