About the security content of iOS 10.2
This document describes the security content of iOS 10.2.
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 10.2
Accessibility
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A nearby user may be able to overhear spoken passwords
Description: A disclosure issue existed in the handling of passwords. This issue was addressed by disabling the speaking of passwords.
CVE-2016-7634: Davut Hari, Biren V. Soni, Cameron Lee
Accessibility
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A person with physical access to an iOS device may be able to access photos and contacts from the lock screen
Description: A lock screen issue allowed access to photos and contacts on a locked device. This issue was addressed by restricting options offered on a locked device.
CVE-2016-7664: Miguel Alvarado of iDeviceHelp
Accounts
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An issue existed which did not reset the authorization settings on app uninstall
Description: This issue was addressed through improved sanitization.
CVE-2016-7651: Ju Zhu and Lilang Wu of Trend Micro
Audio
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted file may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved input validation.
CVE-2016-7658: Haohao Kong of Keen Lab (@keen_lab) of Tencent
CVE-2016-7659: Haohao Kong of Keen Lab (@keen_lab) of Tencent
Clipboard
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local attacker may be able to access clipboard contents
Description: The clipboard contents were accessible before device unlock. This issue was addressed through improved state management.
CVE-2016-7765: CongRong (@Tr3jer)
CoreFoundation
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing malicious strings may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue existed in the processing of strings. This issue was addressed through improved bounds checking.
CVE-2016-7663: an anonymous researcher
CoreGraphics
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted font file may lead to unexpected application termination
Description: A null pointer dereference was addressed through improved input validation.
CVE-2016-7627: TRAPMINE Inc. & Meysam Firouzi @R00tkitSMM
CoreMedia External Displays
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local application may be able to execute arbitrary code in the context of the mediaserver daemon
Description: A type confusion issue was addressed through improved memory handling.
CVE-2016-7655: Keen Lab working with Trend Micro’s Zero Day Initiative
CoreMedia Playback
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted .mp4 file may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved memory handling.
CVE-2016-7588: dragonltx of Huawei 2012 Laboratories
CoreText
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-2016-7595: riusksk(泉哥) of Tencent Security Platform Department
CoreText
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted string may lead to a denial of service
Description: An issue when rendering overlapping ranges was addressed through improved validation.
CVE-2016-7667: Nasser Al-Hadhrami (@fast_hack), Saif Al-Hinai (welcom_there) of Digital Unit (dgunit.com)
Disk Images
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed through improved input validation.
CVE-2016-7616: daybreaker@Minionz working with Trend Micro's Zero Day Initiative
Find My iPhone
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An attacker with an unlocked device may be able to disable Find My iPhone
Description: A state management issue existed in the handling of authentication information. This issue was addressed through improved storage of account information.
CVE-2016-7638: an anonymous researcher, Sezer Sakiner
FontParser
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing a maliciously crafted font file may lead to arbitrary code execution
Description: Multiple memory corruption issues existed in the handling of font files. These issues were addressed through improved bounds checking.
CVE-2016-4691: riusksk(泉哥) of Tencent Security Platform Department
Graphics Driver
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Watching a maliciously crafted video may lead to a denial of service
Description: A denial of service issue existed in the handling of video. This issue was addressed through improved input validation.
CVE-2016-7665: Moataz El Gaml of Schlumberger, Daniel Schurter of watson.ch and Marc Ruef of scip AG
ICU
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved memory handling.
CVE-2016-7594: André Bargull
Image Capture
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A malicious HID device may be able to cause arbitrary code execution
Description: A validation issue existed in the handling of USB image devices. This issue was addressed through improved input validation.
CVE-2016-4690: Andy Davis of NCC Group
ImageIO
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A remote attacker may be able to leak memory
Description: An out-of-bounds read was addressed through improved bounds checking.
CVE-2016-7643: Yangkang (@dnpushme) of Qihoo360 Qex Team
IOHIDFamily
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local application with system privileges may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed through improved memory management.
CVE-2016-7591: daybreaker of Minionz
IOKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to read kernel memory
Description: A memory corruption issue was addressed through improved input validation.
CVE-2016-7657: Keen Lab working with Trend Micro’s Zero Day Initiative
IOKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local user may be able to determine kernel memory layout
Description: A shared memory issue was addressed through improved memory handling.
CVE-2016-7714: Qidan He (@flanker_hqd) from KeenLab working with Trend Micro's Zero Day Initiative
JavaScriptCore
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A script executing in a JavaScript sandbox may be able to access state outside that sandbox
Description: A validation issue existed in processing JavaScript. This issue was addressed through improved validation.
CVE-2016-4695: Mark S. Miller of Google
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: Multiple memory corruption issues were addressed through improved input validation.
CVE-2016-7606: @cocoahuke, Chen Qin of Topsec Alpha Team (topsec.com)
CVE-2016-7612: Ian Beer of Google Project Zero
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to read kernel memory
Description: An insufficient initialization issue was addressed by properly initializing memory returned to user space.
CVE-2016-7607: Brandon Azad
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local user may be able to cause a system denial of service
Description: A denial of service issue was addressed through improved memory handling.
CVE-2016-7615: The UK's National Cyber Security Centre (NCSC)
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local user may be able to cause an unexpected system termination or arbitrary code execution in the kernel
Description: A use after free issue was addressed through improved memory management.
CVE-2016-7621: Ian Beer of Google Project Zero
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local user may be able to gain root privileges
Description: A memory corruption issue was addressed through improved input validation.
CVE-2016-7637: Ian Beer of Google Project Zero
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local application with system privileges may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed through improved memory management.
CVE-2016-7644: Ian Beer of Google Project Zero
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An application may be able to cause a denial of service
Description: A denial of service issue was addressed through improved memory handling.
CVE-2016-7647: Lufeng Li of Qihoo 360 Vulcan Team
Kernel
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A malicious application may gain access to a device's MAC address
Description: An access issue was addressed through additional sandbox restrictions on third party applications.
CVE-2016-7766: Jun Yang(杨君) of Tencent's WeiXin Group
libarchive
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local attacker may be able to overwrite existing files
Description: A validation issue existed in the handling of symlinks. This issue was addressed through improved validation of symlinks.
CVE-2016-7619: an anonymous researcher
Local Authentication
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: The device may not lock the screen after the idle timeout
Description: A logic issue existed in the handling of the idle timer when the Touch ID prompt is shown. This issue was addressed through improved handling of the idle timer.
CVE-2016-7601: an anonymous researcher
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An email signed with a revoked certificate may appear valid
Description: S/MIME policy failed to check if a certificate was valid. This issue was addressed by notifying a user if an email was signed with a revoked certificate.
CVE-2016-4689: an anonymous researcher
Media Player
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A user may be able to view photos and contacts from the lockscreen
Description: A validation issue existed in the handling of media selection. This issue was addressed through improved validation.
CVE-2016-7653
Power Management
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local user may be able to gain root privileges
Description: An issue in mach port name references was addressed through improved validation.
CVE-2016-7661: Ian Beer of Google Project Zero
Profiles
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Opening a maliciously crafted certificate may lead to arbitrary code execution
Description: A memory corruption issue existed in the handling of certificate profiles. This issue was addressed through improved input validation.
CVE-2016-7626: Maksymilian Arciemowicz (cxsecurity.com)
Safari Reader
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Enabling the Safari Reader feature on a maliciously crafted webpage may lead to universal cross site scripting
Description: Multiple validation issues were addressed through improved input sanitization.
CVE-2016-7650: Erling Ellingsen
Security
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An attacker may be able to exploit weaknesses in the 3DES cryptographic algorithm
Description: 3DES was removed as a default cipher.
CVE-2016-4693: Gaëtan Leurent and Karthikeyan Bhargavan from INRIA Paris
Security
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: An attacker in a privileged network position may be able to cause a denial of service
Description: A validation issue existed in the handling of OCSP responder URLs. This issue was addressed by verifying OCSP revocation status after CA validation and limiting the number of OCSP requests per certificate.
CVE-2016-7636: Maksymilian Arciemowicz (cxsecurity.com)
Security
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Certificates may be unexpectedly evaluated as trusted
Description: A certificate evaluation issue existed in certificate validation. This issue was addressed through additional validation of certificates.
CVE-2016-7662: Apple
SpringBoard
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A person with physical access to an iOS device may be able to unlock the device
Description: In some cases, a counter issue existed in the handling of passcode attempts when resetting the passcode. This was addressed through improved state management.
CVE-2016-4781: an anonymous researcher
SpringBoard
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A person with physical access to an iOS device may be able to keep the device unlocked
Description: A cleanup issue existed in the handling of Handoff with Siri. This was addressed through improved state management.
CVE-2016-7597: an anonymous researcher
syslog
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A local user may be able to gain root privileges
Description: An issue in mach port name references was addressed through improved validation.
CVE-2016-7660: Ian Beer of Google Project Zero
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed through improved memory handling.
CVE-2016-4692: Apple
CVE-2016-7635: Apple
CVE-2016-7652: Apple
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may result in the disclosure of process memory
Description: A memory corruption issue was addressed through improved input validation.
CVE-2016-4743: Alan Cutter
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may result in the disclosure of user information
Description: A validation issue was addressed through improved state management.
CVE-2016-7586: Boris Zbarsky
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: Multiple memory corruption issues were addressed through improved state management.
CVE-2016-7587: Adam Klein
CVE-2016-7610: Zheng Huang of the Baidu Security Lab working with Trend Micro's Zero Day Initiative
CVE-2016-7611: an anonymous researcher working with Trend Micro's Zero Day Initiative
CVE-2016-7639: Tongbo Luo of Palo Alto Networks
CVE-2016-7640: Kai Kang of Tencent's Xuanwu Lab (tencent.com)
CVE-2016-7641: Kai Kang of Tencent's Xuanwu Lab (tencent.com)
CVE-2016-7642: Tongbo Luo of Palo Alto Networks
CVE-2016-7645: Kai Kang of Tencent's Xuanwu Lab (tencent.com)
CVE-2016-7646: Kai Kang of Tencent's Xuanwu Lab (tencent.com)
CVE-2016-7648: Kai Kang of Tencent's Xuanwu Lab (tencent.com)
CVE-2016-7649: Kai Kang of Tencent's Xuanwu Lab (tencent.com)
CVE-2016-7654: Keen Lab working with Trend Micro’s Zero Day Initiative
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to arbitrary code execution
Description: A memory corruption issue was addressed through improved state management.
CVE-2016-7589: Apple
CVE-2016-7656: Keen Lab working with Trend Micro’s Zero Day Initiative
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may compromise user information
Description: An issue existed in handling of JavaScript prompts. This was addressed through improved state management.
CVE-2016-7592: xisigr of Tencent's Xuanwu Lab (tencent.com)
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may result in the disclosure of process memory
Description: An uninitialized memory access issue was addressed through improved memory initialization.
CVE-2016-7598: Samuel Groß
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may result in the disclosure of user information
Description: An issue existed in the handling of HTTP redirects. This issue was addressed through improved cross origin validation.
CVE-2016-7599: Muneaki Nishimura (nishimunea) of Recruit Technologies Co., Ltd.
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Visiting a maliciously crafted website may compromise user information
Description: An issue existed in the handling of blob URLs. This issue was addressed through improved URL handling.
CVE-2016-7623: xisigr of Tencent's Xuanwu Lab (tencent.com)
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Visiting a maliciously crafted webpage may lead to an unexpected application termination or arbitrary code execution
Description: A memory corruption issue was addressed through improved state management.
CVE-2016-7632: Jeonghoon Shin
WebKit
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: Processing maliciously crafted web content may lead to cross site scripting
Description: An issue existed in displaying documents in Safari. This issue was addressed through improved input validation.
CVE-2016-7762: YongShao (Zhiyong Feng from JDSEC 1aq.com)
WebSheet
Available for: iPhone 5 and later, iPad 4th generation and later, iPod touch 6th generation and later
Impact: A sandboxed process may be able to circumvent sandbox restrictions
Description: A sandbox escape issue was addressed through additional restrictions.
CVE-2016-7630: Marco Grassi (@marcograss) of KeenLab (@keen_lab) Tencent working with Trend Micro's Zero Day Initiative
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