var-202109-0360
Vulnerability from variot

An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences. plural Apple The product contains a digital signature verification vulnerability.Information may be obtained. Pillow is a Python-based image processing library. There is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. Apple watchOS is a smart watch operating system developed by Apple (Apple). watchOS has a data forgery issue vulnerability that stems from improper signature verification in the AppleMobileFileIntegrity component. The following products and versions are affected: watchOS: 7.0 18R382, 7.0.1 18R395, 7.0.2 18R402, 7.0.3 18R410, 7.1 18R590, 7.2 18S564, 7.3 18S801, 7.3.1 18S811, 7.3.13, 18S832 . CVE-2021-30661: yangkang(@dnpushme) of 360 ATA

Additional recognition

AirDrop We would like to acknowledge @maxzks for their assistance.

CoreAudio We would like to acknowledge an anonymous researcher for their assistance.

CoreCrypto We would like to acknowledge Andy Russon of Orange Group for their assistance.

File Bookmark We would like to acknowledge an anonymous researcher for their assistance.

Foundation We would like to acknowledge CodeColorist of Ant-Financial LightYear Labs for their assistance.

Kernel We would like to acknowledge Antonio Frighetto of Politecnico di Milano, GRIMM, Keyu Man, Zhiyun Qian, Zhongjie Wang, Xiaofeng Zheng, Youjun Huang, Haixin Duan, Mikko Kenttälä ( @Turmio_ ) of SensorFu, Proteas, and Tielei Wang of Pangu Lab for their assistance.

Security We would like to acknowledge Xingwei Lin of Ant Security Light-Year Lab and john (@nyan_satan) for their assistance.

sysdiagnose We would like to acknowledge Tim Michaud (@TimGMichaud) of Leviathan for their assistance.

WebKit We would like to acknowledge Emilio Cobos Álvarez of Mozilla for their assistance.

Alternatively, on your watch, select "My Watch > General > About". -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

APPLE-SA-2021-04-26-1 iOS 14.5 and iPadOS 14.5

iOS 14.5 and iPadOS 14.5 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212317.

Accessibility 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 an iOS device may be able to access notes from the lock screen Description: This issue was addressed with improved checks. CVE-2021-1835: videosdebarraquito

App Store 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 attacker in a privileged network position may be able to alter network traffic Description: A certificate validation issue was addressed. CVE-2021-1837: Aapo Oksman of Nixu Cybersecurity

Apple Neural Engine Available for: iPhone 8 and later, iPad Pro (3rd generation) and later, and iPad Air (3rd generation) and later Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1867: Zuozhi Fan (@pattern_F_) and Wish Wu (吴潍浠) of Ant Group Tianqiong Security Lab

AppleMobileFileIntegrity 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: An issue in code signature validation was addressed with improved checks. CVE-2021-1849: Siguza

Assets 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 user may be able to create or modify privileged files Description: A logic issue was addressed with improved restrictions. CVE-2021-1836: an anonymous researcher

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: An application may be able to read restricted memory Description: A memory corruption issue was addressed with improved validation. CVE-2021-1808: JunDong Xie of Ant Security Light-Year Lab

CFNetwork 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 disclose sensitive user information Description: A memory initialization issue was addressed with improved memory handling. CVE-2021-1857: an anonymous researcher

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 audio file may disclose restricted memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1846: JunDong Xie of Ant Security Light-Year Lab

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: A malicious application may be able to read restricted memory Description: A memory corruption issue was addressed with improved validation. CVE-2021-1809: JunDong Xie of Ant Security Light-Year Lab

CoreFoundation 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 leak sensitive user information Description: A validation issue was addressed with improved logic. CVE-2021-30659: Thijs Alkemade of Computest

CoreText 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 font may result in the disclosure of process memory Description: A logic issue was addressed with improved state management. CVE-2021-1811: Xingwei Lin of Ant Security Light-Year Lab

FaceTime 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: Muting a CallKit call while ringing may not result in mute being enabled Description: A logic issue was addressed with improved state management. CVE-2021-1872: Siraj Zaneer of Facebook

FontParser 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 font file may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1881: an anonymous researcher, Xingwei Lin of Ant Security Light-Year Lab, Mickey Jin of Trend Micro, and Hou JingYi (@hjy79425575) of Qihoo 360

Foundation 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 gain elevated privileges Description: A memory corruption issue was addressed with improved validation. CVE-2021-1882: Gabe Kirkpatrick (@gabe_k)

Foundation 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 gain root privileges Description: A validation issue was addressed with improved logic. CVE-2021-1813: Cees Elzinga

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 determine kernel memory layout Description: An access issue was addressed with improved memory management. CVE-2021-30656: Justin Sherman of University of Maryland, Baltimore County

Heimdal 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 server messages may lead to heap corruption Description: This issue was addressed with improved checks. CVE-2021-1883: Gabe Kirkpatrick (@gabe_k)

Heimdal 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 may be able to cause a denial of service Description: A race condition was addressed with improved locking. CVE-2021-1884: Gabe Kirkpatrick (@gabe_k)

ImageIO 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: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-1885: CFF of Topsec Alpha Team

ImageIO 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: This issue was addressed with improved checks. CVE-2021-30653: Ye Zhang of Baidu Security CVE-2021-1843: Ye Zhang of Baidu Security

ImageIO 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: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2021-1858: Mickey Jin of Trend Micro

iTunes Store 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 attacker with JavaScript execution may be able to execute arbitrary code Description: A use after free issue was addressed with improved memory management. CVE-2021-1864: CodeColorist of Ant-Financial LightYear Labs

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 local user may be able to read kernel memory Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1877: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong Security Lab CVE-2021-1852: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong Security Lab CVE-2021-1830: Tielei Wang of Pangu 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: An application may be able to execute arbitrary code with kernel privileges Description: A logic issue was addressed with improved state management. CVE-2021-1874: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong Security Lab CVE-2021-1851: @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: A malicious application may be able to disclose kernel memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2021-1860: @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: A malicious application may be able to execute arbitrary code with kernel privileges Description: A buffer overflow was addressed with improved bounds checking. CVE-2021-1816: Tielei Wang of Pangu 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: Copied files may not have the expected file permissions Description: The issue was addressed with improved permissions logic. CVE-2021-1832: an anonymous researcher

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 disclose kernel memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30660: Alex Plaskett

libxpc 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 gain root privileges Description: A race condition was addressed with additional validation. CVE-2021-30652: James Hutchins

libxslt 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 lead to heap corruption Description: A double free issue was addressed with improved memory management. CVE-2021-1875: Found by OSS-Fuzz

MobileInstallation 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 user may be able to modify protected parts of the file system Description: A logic issue was addressed with improved restrictions. CVE-2021-1822: Bruno Virlet of The Grizzly Labs

Password Manager 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 user's password may be visible on screen Description: An issue obscuring passwords in screenshots was addressed with improved logic. CVE-2021-1865: Shibin B Shaji of UST

Preferences 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 user may be able to modify protected parts of the file system Description: A parsing issue in the handling of directory paths was addressed with improved path validation. CVE-2021-1815: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) CVE-2021-1739: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) CVE-2021-1740: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com)

Safari 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 user may be able to write arbitrary files Description: A validation issue was addressed with improved input sanitization. CVE-2021-1807: David Schütz (@xdavidhu)

Shortcuts 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 allow shortcuts to access restricted files Description: The issue was addressed with improved permissions logic. CVE-2021-1831: Bouke van der Bijl

Tailspin 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: A logic issue was addressed with improved state management. CVE-2021-1868: Tim Michaud of Zoom Communications

Telephony 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 legacy cellular network can automatically answer an incoming call when an ongoing call ends or drops. CVE-2021-1854: Steven Thorne of Cspire

Wallet 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 user may be able to view sensitive information in the app switcher Description: The issue was addressed with improved UI handling. CVE-2021-1848: Bradley D’Amato of ActionIQ

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 a cross site scripting attack Description: An input validation issue was addressed with improved input validation. CVE-2021-1825: Alex Camboe of Aon’s Cyber Solutions

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 memory corruption issue was addressed with improved state management. CVE-2021-1817: an anonymous researcher

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 restrictions. CVE-2021-1826: an anonymous researcher

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 result in the disclosure of process memory Description: A memory initialization issue was addressed with improved memory handling. CVE-2021-1820: an anonymous researcher

WebKit Storage 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. Apple is aware of a report that this issue may have been actively exploited. CVE-2021-30661: yangkang(@dnpushme) of 360 ATA

WebRTC 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 may be able to cause unexpected system termination or corrupt kernel memory Description: A use after free issue was addressed with improved memory management. CVE-2020-7463: Megan2013678

Installation note:

This update is available through iTunes and Software Update on your iOS device, and will not appear in your computer's Software Update application, or in the Apple Downloads site. Make sure you have an Internet connection and have installed the latest version of iTunes from https://www.apple.com/itunes/

iTunes and Software Update on the device will automatically check Apple's update server on its weekly schedule. When an update is detected, it is downloaded and the option to be installed is presented to the user when the iOS device is docked. We recommend applying the update immediately if possible. Selecting Don't Install will present the option the next time you connect your iOS device. The automatic update process may take up to a week depending on the day that iTunes or the device checks for updates. You may manually obtain the update via the Check for Updates button within iTunes, or the Software Update on your device.

To check that the iPhone, iPod touch, or iPad has been updated: * Navigate to Settings * Select General * Select About * The version after applying this update will be "14.5"

Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222

This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/

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    "data": "An issue in code signature validation was addressed with improved checks. This issue is fixed in macOS Big Sur 11.3, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5. A malicious application may be able to bypass Privacy preferences. plural Apple The product contains a digital signature verification vulnerability.Information may be obtained. Pillow is a Python-based image processing library. \nThere is currently no information about this vulnerability, please feel free to follow CNNVD or manufacturer announcements. Apple watchOS is a smart watch operating system developed by Apple (Apple). watchOS has a data forgery issue vulnerability that stems from improper signature verification in the AppleMobileFileIntegrity component. The following products and versions are affected: watchOS: 7.0 18R382, 7.0.1 18R395, 7.0.2 18R402, 7.0.3 18R410, 7.1 18R590, 7.2 18S564, 7.3 18S801, 7.3.1 18S811, 7.3.13, 18S832 . \nCVE-2021-30661: yangkang(@dnpushme) of 360 ATA\n\nAdditional recognition\n\nAirDrop\nWe would like to acknowledge @maxzks for their assistance. \n\nCoreAudio\nWe would like to acknowledge an anonymous researcher for their\nassistance. \n\nCoreCrypto\nWe would like to acknowledge Andy Russon of Orange Group for their\nassistance. \n\nFile Bookmark\nWe would like to acknowledge an anonymous researcher for their\nassistance. \n\nFoundation\nWe would like to acknowledge CodeColorist of Ant-Financial LightYear\nLabs for their assistance. \n\nKernel\nWe would like to acknowledge Antonio Frighetto of Politecnico di\nMilano, GRIMM, Keyu Man, Zhiyun Qian, Zhongjie Wang, Xiaofeng Zheng,\nYoujun Huang, Haixin Duan, Mikko Kentt\u00e4l\u00e4 ( @Turmio_ ) of SensorFu,\nProteas, and Tielei Wang of Pangu Lab for their assistance. \n\nSecurity\nWe would like to acknowledge Xingwei Lin of Ant Security Light-Year\nLab and john (@nyan_satan) for their assistance. \n\nsysdiagnose\nWe would like to acknowledge Tim Michaud (@TimGMichaud) of Leviathan\nfor their assistance. \n\nWebKit\nWe would like to acknowledge Emilio Cobos \u00c1lvarez of Mozilla for\ntheir assistance. \n\nAlternatively, on your watch, select \"My Watch \u003e General \u003e About\". -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\nAPPLE-SA-2021-04-26-1 iOS 14.5 and iPadOS 14.5\n\niOS 14.5 and iPadOS 14.5 addresses the following issues. \nInformation about the security content is also available at\nhttps://support.apple.com/HT212317. \n\nAccessibility\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A person with physical access to an iOS device may be able to\naccess notes from the lock screen\nDescription: This issue was addressed with improved checks. \nCVE-2021-1835: videosdebarraquito\n\nApp Store\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: An attacker in a privileged network position may be able to\nalter network traffic\nDescription: A certificate validation issue was addressed. \nCVE-2021-1837: Aapo Oksman of Nixu Cybersecurity\n\nApple Neural Engine\nAvailable for: iPhone 8 and later, iPad Pro (3rd generation) and\nlater, and iPad Air (3rd generation) and later\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-1867: Zuozhi Fan (@pattern_F_) and Wish Wu (\u5434\u6f4d\u6d60) of Ant\nGroup Tianqiong Security Lab\n\nAppleMobileFileIntegrity\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to bypass Privacy\npreferences\nDescription: An issue in code signature validation was addressed with\nimproved checks. \nCVE-2021-1849: Siguza\n\nAssets\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A local user may be able to create or modify privileged files\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2021-1836: an anonymous researcher\n\nAudio\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: An application may be able to read restricted memory\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2021-1808: JunDong Xie of Ant Security Light-Year Lab\n\nCFNetwork\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing maliciously crafted web content may disclose\nsensitive user information\nDescription: A memory initialization issue was addressed with\nimproved memory handling. \nCVE-2021-1857: an anonymous researcher\n\nCoreAudio\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing a maliciously crafted audio file may disclose\nrestricted memory\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-1846: JunDong Xie of Ant Security Light-Year Lab\n\nCoreAudio\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to read restricted memory\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2021-1809: JunDong Xie of Ant Security Light-Year Lab\n\nCoreFoundation\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to leak sensitive user\ninformation\nDescription: A validation issue was addressed with improved logic. \nCVE-2021-30659: Thijs Alkemade of Computest\n\nCoreText\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing a maliciously crafted font may result in the\ndisclosure of process memory\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1811: Xingwei Lin of Ant Security Light-Year Lab\n\nFaceTime\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Muting a CallKit call while ringing may not result in mute\nbeing enabled\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1872: Siraj Zaneer of Facebook\n\nFontParser\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing a maliciously crafted font file may lead to\narbitrary code execution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-1881: an anonymous researcher, Xingwei Lin of Ant Security\nLight-Year Lab, Mickey Jin of Trend Micro, and Hou JingYi\n(@hjy79425575) of Qihoo 360\n\nFoundation\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: An application may be able to gain elevated privileges\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2021-1882: Gabe Kirkpatrick (@gabe_k)\n\nFoundation\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to gain root privileges\nDescription: A validation issue was addressed with improved logic. \nCVE-2021-1813: Cees Elzinga\n\nGPU Drivers\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to determine kernel\nmemory layout\nDescription: An access issue was addressed with improved memory\nmanagement. \nCVE-2021-30656: Justin Sherman of University of Maryland, Baltimore\nCounty\n\nHeimdal\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing maliciously crafted server messages may lead to\nheap corruption\nDescription: This issue was addressed with improved checks. \nCVE-2021-1883: Gabe Kirkpatrick (@gabe_k)\n\nHeimdal\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A remote attacker may be able to cause a denial of service\nDescription: A race condition was addressed with improved locking. \nCVE-2021-1884: Gabe Kirkpatrick (@gabe_k)\n\nImageIO\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2021-1885: CFF of Topsec Alpha Team\n\nImageIO\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: This issue was addressed with improved checks. \nCVE-2021-30653: Ye Zhang of Baidu Security\nCVE-2021-1843: Ye Zhang of Baidu Security\n\nImageIO\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2021-1858: Mickey Jin of Trend Micro\n\niTunes Store\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: An attacker with JavaScript execution may be able to execute\narbitrary code\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2021-1864: CodeColorist of Ant-Financial LightYear Labs\n\nKernel\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A local user may be able to read kernel memory\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-1877: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong\nSecurity Lab\nCVE-2021-1852: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong\nSecurity Lab\nCVE-2021-1830: Tielei Wang of Pangu Lab\n\nKernel\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1874: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong\nSecurity Lab\nCVE-2021-1851: @0xalsr\n\nKernel\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to disclose kernel memory\nDescription: A memory initialization issue was addressed with\nimproved memory handling. \nCVE-2021-1860: @0xalsr\n\nKernel\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: A buffer overflow was addressed with improved bounds\nchecking. \nCVE-2021-1816: Tielei Wang of Pangu Lab\n\nKernel\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Copied files may not have the expected file permissions\nDescription: The issue was addressed with improved permissions logic. \nCVE-2021-1832: an anonymous researcher\n\nKernel\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to disclose kernel memory\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2021-30660: Alex Plaskett\n\nlibxpc\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A malicious application may be able to gain root privileges\nDescription: A race condition was addressed with additional\nvalidation. \nCVE-2021-30652: James Hutchins\n\nlibxslt\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing a maliciously crafted file may lead to heap\ncorruption\nDescription: A double free issue was addressed with improved memory\nmanagement. \nCVE-2021-1875: Found by OSS-Fuzz\n\nMobileInstallation\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A local user may be able to modify protected parts of the\nfile system\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2021-1822: Bruno Virlet of The Grizzly Labs\n\nPassword Manager\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A user\u0027s password may be visible on screen\nDescription: An issue obscuring passwords in screenshots was\naddressed with improved logic. \nCVE-2021-1865: Shibin B Shaji of UST\n\nPreferences\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A local user may be able to modify protected parts of the\nfile system\nDescription: A parsing issue in the handling of directory paths was\naddressed with improved path validation. \nCVE-2021-1815: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020)\nof Tencent Security Xuanwu Lab (xlab.tencent.com)\nCVE-2021-1739: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020)\nof Tencent Security Xuanwu Lab (xlab.tencent.com)\nCVE-2021-1740: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020)\nof Tencent Security Xuanwu Lab (xlab.tencent.com)\n\nSafari\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A local user may be able to write arbitrary files\nDescription: A validation issue was addressed with improved input\nsanitization. \nCVE-2021-1807: David Sch\u00fctz (@xdavidhu)\n\nShortcuts\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: An application may allow shortcuts to access restricted files\nDescription: The issue was addressed with improved permissions logic. \nCVE-2021-1831: Bouke van der Bijl\n\nTailspin\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A local attacker may be able to elevate their privileges\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1868: Tim Michaud of Zoom Communications\n\nTelephony\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A legacy cellular network can automatically answer an\nincoming call when an ongoing call ends or drops. \nCVE-2021-1854: Steven Thorne of Cspire\n\nWallet\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A local user may be able to view sensitive information in the\napp switcher\nDescription: The issue was addressed with improved UI handling. \nCVE-2021-1848: Bradley D\u2019Amato of ActionIQ\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing maliciously crafted web content may lead to a\ncross site scripting attack\nDescription: An input validation issue was addressed with improved\ninput validation. \nCVE-2021-1825: Alex Camboe of Aon\u2019s Cyber Solutions\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2021-1817: an anonymous researcher\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing maliciously crafted web content may lead to\nuniversal cross site scripting\nDescription: A logic issue was addressed with improved restrictions. \nCVE-2021-1826: an anonymous researcher\n\nWebKit\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing maliciously crafted web content may result in the\ndisclosure of process memory\nDescription: A memory initialization issue was addressed with\nimproved memory handling. \nCVE-2021-1820: an anonymous researcher\n\nWebKit Storage\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution. Apple is aware of a report that this issue\nmay have been actively exploited. \nCVE-2021-30661: yangkang(@dnpushme) of 360 ATA\n\nWebRTC\nAvailable for: iPhone 6s and later, iPad Pro (all models), iPad Air 2\nand later, iPad 5th generation and later, iPad mini 4 and later, and\niPod touch (7th generation)\nImpact: A remote attacker may be able to cause unexpected system\ntermination or corrupt kernel memory\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2020-7463: Megan2013678\n\nInstallation note:\n\nThis update is available through iTunes and Software Update on your\niOS device, and will not appear in your computer\u0027s Software Update\napplication, or in the Apple Downloads site. Make sure you have an\nInternet connection and have installed the latest version of iTunes\nfrom https://www.apple.com/itunes/\n\niTunes and Software Update on the device will automatically check\nApple\u0027s update server on its weekly schedule. When an update is\ndetected, it is downloaded and the option to be installed is\npresented to the user when the iOS device is docked. We recommend\napplying the update immediately if possible. Selecting Don\u0027t Install\nwill present the option the next time you connect your iOS device. \nThe automatic update process may take up to a week depending on the\nday that iTunes or the device checks for updates. 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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.