About the security content of iOS 15.1 and iPadOS 15.1
This document describes the security content of iOS 15.1 and iPadOS 15.1.
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.
Apple security documents reference vulnerabilities by CVE-ID when possible.
For more information about security, see the Apple Product Security page.
iOS 15.1 and iPadOS 15.1
Audio
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A malicious application may be able to elevate privileges
Description: An integer overflow was addressed through improved input validation.
CVE-2021-30907: Zweig of Kunlun Lab
ColorSync
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Processing a maliciously crafted image may lead to arbitrary code execution
Description: A memory corruption issue existed in the processing of ICC profiles. This issue was addressed with improved input validation.
CVE-2021-30917: Alexandru-Vlad Niculae and Mateusz Jurczyk of Google Project Zero
Continuity Camera
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution
Description: An uncontrolled format string issue was addressed with improved input validation.
CVE-2021-30903: Gongyu Ma of Hangzhou Dianzi University
CoreAudio
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Processing a maliciously crafted file may disclose user information
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2021-30905: Mickey Jin (@patch1t) of Trend Micro
CoreGraphics
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution
Description: An out-of-bounds write was addressed with improved input validation.
CVE-2021-30919
File Provider
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A malicious application may be able to bypass Privacy preferences
Description: A permissions issue was addressed with improved validation.
CVE-2021-31007: Csaba Fitzl (@theevilbit) of Offensive Security
FileProvider
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution
Description: An input validation issue was addressed with improved memory handling.
CVE-2021-30881: Simon Huang (@HuangShaomang) and pjf of IceSword Lab of Qihoo 360
File System
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A race condition was addressed with improved locking.
CVE-2021-30923: Pan ZhenPeng (@Peterpan0927) of Alibaba Security Pandora Lab
Game Center
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A malicious application may be able to access information about a user's contacts
Description: A logic issue was addressed with improved restrictions.
CVE-2021-30895: Denis Tokarev (@illusionofcha0s)
GPU Drivers
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: An out-of-bounds write issue was addressed with improved bounds checking.
CVE-2021-30900: Yinyi Wu (@3ndy1) of Ant Security Light-Year Lab
GPU Drivers
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2021-30914: Zuozhi Fan (@pattern_F_) of Ant Security TianQiong Lab
iCloud
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A local attacker may be able to elevate their privileges
Description: This issue was addressed with improved checks.
CVE-2021-30906: Cees Elzinga
Image Processing
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved input validation.
CVE-2021-30894: Pan ZhenPeng (@Peterpan0927) of Alibaba Security Pandora Lab
Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A remote attacker can cause a device to unexpectedly restart
Description: A denial of service issue was addressed with improved state handling.
CVE-2021-30924: Elaman Iskakov (@darling_x0r) of Effective and Alexey Katkov (@watman27)
Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: An application may be able to execute arbitrary code with kernel privileges
Description: A use after free issue was addressed with improved memory management.
CVE-2021-30886: @0xalsr
Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th 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-2021-30909: Zweig of Kunlun Lab
Kernel
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A malicious application may be able to execute arbitrary code with kernel privileges
Description: A memory corruption issue was addressed with improved memory handling.
CVE-2021-30916: Zweig of Kunlun Lab
Model I/O
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Processing a maliciously crafted file may disclose user information
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2021-30910: Mickey Jin (@patch1t) of Trend Micro
Model I/O
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Processing a maliciously crafted USD file may disclose memory contents
Description: An out-of-bounds read was addressed with improved bounds checking.
CVE-2021-30911: Rui Yang and Xingwei Lin of Ant Security Light-Year Lab
Siri
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A local attacker may be able to view contacts from the lock screen
Description: A lock screen issue allowed access to contacts on a locked device. This issue was addressed with improved state management.
CVE-2021-30875: Abhay Kailasia (@abhay_kailasia) of Lakshmi Narain College of Technology
UIKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A person with physical access to a device may be able to determine characteristics of a user's password in a secure text entry field
Description: A logic issue was addressed with improved state management.
CVE-2021-30915: Kostas Angelopoulos
Voice Control
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A local attacker may be able to cause unexpected application termination or arbitrary code execution
Description: A use after free issue was addressed with improved memory management.
CVE-2021-30902: 08Tc3wBB of ZecOps Mobile EDR Team
WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Processing maliciously crafted web content may lead to unexpectedly unenforced Content Security Policy
Description: A logic issue was addressed with improved restrictions.
CVE-2021-30887: Narendra Bhati (@imnarendrabhati) of Suma Soft Pvt. Ltd.
WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: A malicious website using Content Security Policy reports may be able to leak information via redirect behavior
Description: An information leakage issue was addressed.
CVE-2021-30888: Prakash (@1lastBr3ath)
WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th 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-2021-30889: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab
WebKit
Available for: iPhone 6s and later, iPad Pro (all models), iPad Air 2 and later, iPad 5th generation and later, iPad mini 4 and later, and iPod touch (7th generation)
Impact: Processing maliciously crafted web content may lead to universal cross site scripting
Description: A logic issue was addressed with improved state management.
CVE-2021-30890: an anonymous researcher
Additional recognition
iCloud
We would like to acknowledge Ryan Pickren (ryanpickren.com) for their assistance.
We would like to acknowledge Fabian Ising and Damian Poddebniak of Münster University of Applied Sciences for their assistance.
NetworkExtension
We would like to acknowledge Alex Bauer of Branch for their assistance.
Siri
We would like to acknowledge Abhay Kailasia (@abhay_kailasia) of Lakshmi Narain College of Technology for their assistance.
WebKit
We would like to acknowledge Ivan Fratric of Google Project Zero, Pavel Gromadchuk, and an anonymous researcher for their assistance.
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