ID

VAR-202108-2078

CVE

CVE-2021-30855

TITLE

Link interpretation vulnerability in multiple Apple products

DESCRIPTION

A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, iOS 15 and iPadOS 15, watchOS 8, macOS Big Sur 11.6. An application may be able to access restricted files. iPadOS , iOS , Apple Mac OS X A link interpretation vulnerability exists in multiple Apple products.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. ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: none. Reason: This candidate was withdrawn by the CVE program. Notes: none. CVE-2021-30837: Siddharth Aeri (@b1n4r1b01) 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 local attacker may be able to read sensitive information Description: This issue was addressed with improved checks. CVE-2021-30838: proteas wang CoreML 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: This issue was addressed with improved checks. CVE-2021-30825: hjy79425575 working with Trend Micro Zero Day Initiative Face ID Available for devices with Face ID: iPhone X, iPhone XR, iPhone XS (all models), iPhone 11 (all models), iPhone 12 (all models), iPad Pro (11-inch), and iPad Pro (3rd generation) Impact: A 3D model constructed to look like the enrolled user may be able to authenticate via Face ID Description: This issue was addressed by improving Face ID anti- spoofing models. CVE-2013-0340: an anonymous researcher 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 input validation. CVE-2021-30854: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) 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. CVE-2021-30815: an anonymous researcher Telephony Available for: iPhone SE (1st generation), iPad Pro 12.9-inch, iPad Air 2, iPad (5th generation), and iPad mini 4 Impact: In certain situations, the baseband would fail to enable integrity and ciphering protection Description: A logic issue was addressed with improved state management. CVE-2021-30846: Sergei Glazunov of Google Project Zero 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 code execution Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30848: Sergei Glazunov of Google Project Zero 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: Multiple memory corruption issues were addressed with improved memory handling. CVE-2021-30849: Sergei Glazunov of Google Project Zero 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 code execution Description: A memory corruption vulnerability was addressed with improved locking. CVE-2021-30851: Samuel Groß of Google Project Zero Wi-Fi 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 physical proximity may be able to force a user onto a malicious Wi-Fi network during device setup Description: An authorization issue was addressed with improved state management. 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. Alternatively, on your watch, select "My Watch > General > About". Information about the security content is also available at https://support.apple.com/HT212804. CoreGraphics Available for: macOS Big Sur Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. CVE-2021-30860: The Citizen Lab CUPS Available for: macOS Big Sur Impact: A local attacker may be able to elevate their privileges Description: A permissions issue existed. CVE-2021-30827: an anonymous researcher Entry added September 20, 2021 CUPS Available for: macOS Big Sur Impact: A local user may be able to read arbitrary files as root Description: This issue was addressed with improved checks. CVE-2021-30828: an anonymous researcher Entry added September 20, 2021 CUPS Available for: macOS Big Sur Impact: A local user may be able to execute arbitrary files Description: A URI parsing issue was addressed with improved parsing. CVE-2021-30829: an anonymous researcher Entry added September 20, 2021 curl Available for: macOS Big Sur Impact: curl could potentially reveal sensitive internal information to the server using a clear-text network protocol Description: A buffer overflow was addressed with improved input validation. CVE-2021-22925 Entry added September 20, 2021 CVMS Available for: macOS Big Sur Impact: A local attacker may be able to elevate their privileges Description: A memory corruption issue was addressed with improved state management. CVE-2021-30832: Mickey Jin (@patch1t) of Trend Micro Entry added September 20, 2021 FontParser Available for: macOS Big Sur Impact: Processing a maliciously crafted dfont file may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30841: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30842: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30843: Xingwei Lin of Ant Security Light-Year Lab Entry added September 20, 2021 Gatekeeper Available for: macOS Big Sur Impact: A malicious application may bypass Gatekeeper checks Description: This issue was addressed with improved checks. CVE-2021-30853: Gordon Long (@ethicalhax) of Box, Inc. Entry added September 20, 2021 ImageIO Available for: macOS Big Sur Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: This issue was addressed with improved checks. CVE-2021-30847: Mike Zhang of Pangu Lab Entry added September 20, 2021 Kernel Available for: macOS Big Sur 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-2021-30830: Zweig of Kunlun Lab Entry added September 20, 2021 Kernel Available for: macOS Big Sur 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-2021-30865: Zweig of Kunlun Lab Entry added September 20, 2021 Kernel Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. CVE-2021-30857: Zweig of Kunlun Lab Entry added September 20, 2021 Kernel Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A type confusion issue was addressed with improved state handling. CVE-2021-30859: Apple Entry added September 20, 2021 libexpat Available for: macOS Big Sur Impact: A remote attacker may be able to cause a denial of service Description: This issue was addressed by updating expat to version 2.4.1. CVE-2013-0340: an anonymous researcher Entry added September 20, 2021 Preferences Available for: macOS Big Sur Impact: An application may be able to access restricted files Description: A validation issue existed in the handling of symlinks. CVE-2021-30855: Zhipeng Huo (@R3dF09) and Yuebin Sun (@yuebinsun2020) of Tencent Security Xuanwu Lab (xlab.tencent.com) Entry added September 20, 2021 Sandbox Available for: macOS Big Sur Impact: A user may gain access to protected parts of the file system Description: An access issue was addressed with improved access restrictions. CVE-2021-30850: an anonymous researcher Entry added September 20, 2021 SMB Available for: macOS Big Sur Impact: A local user may be able to read kernel memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30845: Peter Nguyen Vu Hoang of STAR Labs Entry added September 20, 2021 SMB Available for: macOS Big Sur Impact: A remote attacker may be able to leak memory Description: A logic issue was addressed with improved state management. CVE-2021-30844: Peter Nguyen Vu Hoang of STAR Labs Entry added September 20, 2021 WebKit Available for: macOS Big Sur 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-2021-30858: an anonymous researcher Additional recognition APFS We would like to acknowledge Koh M. Nakagawa of FFRI Security, Inc. for their assistance. Entry added September 20, 2021 App Support We would like to acknowledge @CodeColorist, an anonymous researcher for their assistance. Entry added September 20, 2021 CoreML We would like to acknowledge hjy79425575 working with Trend Micro Zero Day Initiative for their assistance. Entry added September 20, 2021 CUPS We would like to acknowledge an anonymous researcher for their assistance. Entry added September 20, 2021 Kernel We would like to acknowledge Anthony Steinhauser of Google's Safeside project for their assistance. Entry added September 20, 2021 Sandbox We would like to acknowledge Csaba Fitzl (@theevilbit) of Offensive Security for their assistance. Entry added September 20, 2021 smbx We would like to acknowledge Zhongcheng Li (CK01) for their assistance. Entry added September 20, 2021 Installation note: This update may be obtained from the Mac App Store or Apple's Software Downloads web site: https://support.apple.com/downloads/ 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/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEePiLW1MrMjw19XzoeC9qKD1prhgFAmFI888ACgkQeC9qKD1p rhi/Bg/9GiqXl8sxPjDpATJqneZ1GcAxWxBZgkFrcLV/cMwrVqniWsOeVHqHjMSY eJUkGehUtKsYE0g8Uk0qJqOUl3dxxGJpIDytOQJB3TFdd1BpZSK/tOChVem1JV1B +CMhqDnmR/u7bLqfCr1p6J5QJNHjTjgBA4RthdzZZ52pLGql7/2qfaJwpeHkheS4 5EKmch8zh0CGRqrUTg1HgY67ierNsz47jIU6n7UeMwjskRU3xM9VqJ9s4eKGAtSv 4Ry16pv0xUZ4cmL5EiLm2/eFbY8ByCji7jYPP0POBO4l518TGpaX2PaZBP9v0rrD t6cPEZHnsRaZ49OYak6z9iA8teKGSs6aCMuzSxExvlT8+YySf1o1nefbRH/tZMfn bwSO0ZyPsS9WYyuG/zX08U3CKOTkjqhLaOwVwte+cAeg2QS85aa9XPMG6PKcpyfu R7auxS92+Dg+R+97dAsI9TprSutCTw4iY8lyK9MVJSnh+zQSZEihUh4EaSufTHRC NlOSHvsTfXqsHaeed6sVKyX4ADHCUvRbCCIrqJKUs6waNd2T2XF7SzvgTSDJMHU9 4AL/jpnltTjDJTtMO999VZKNzYurrGiHvBs5zHWr91+eaHW8YGdsDERsX3BFYLe3 85i+Yge0iXlP7mT32cWxIw4AWDFITFiHnmV1/cdsCd2GIkqkhFw= =9bjT -----END PGP SIGNATURE-----

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

other

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2024-08-14T12:46:35.706000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE