var-202109-0356
Vulnerability from variot
This issue was addressed with improved checks. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted image may lead to arbitrary code execution. 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. 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-2021-04-26-2 macOS Big Sur 11.3
macOS Big Sur 11.3 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212325.
APFS Available for: macOS Big Sur Impact: A local attacker may be able to elevate their privileges Description: A logic issue was addressed with improved state management. CVE-2021-1853: Gary Nield of ECSC Group plc and Tim Michaud(@TimGMichaud) of Zoom Video Communications
AppleMobileFileIntegrity Available for: macOS Big Sur 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
Apple Neural Engine 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-2021-1867: Zuozhi Fan (@pattern_F_) and Wish Wu(吴潍浠) of Ant Group Tianqiong Security Lab
Archive Utility Available for: macOS Big Sur Impact: A malicious application may bypass Gatekeeper checks Description: A logic issue was addressed with improved state management. CVE-2021-1810: an anonymous researcher
Audio Available for: macOS Big Sur 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: macOS Big Sur 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: macOS Big Sur 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: macOS Big Sur 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: macOS Big Sur 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
CoreGraphics Available for: macOS Big Sur Impact: Opening a maliciously crafted file may lead to unexpected application termination or arbitrary code execution Description: A memory corruption issue was addressed with improved validation. CVE-2021-1847: Xuwei Liu of Purdue University
CoreText Available for: macOS Big Sur 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
curl Available for: macOS Big Sur Impact: An attacker may provide a fraudulent OCSP response that would appear valid Description: This issue was addressed with improved checks. CVE-2020-8286: an anonymous researcher
curl Available for: macOS Big Sur Impact: A remote attacker may be able to cause a denial of service Description: A buffer overflow was addressed with improved input validation. CVE-2020-8285: xnynx
DiskArbitration Available for: macOS Big Sur Impact: A malicious application may be able to modify protected parts of the file system Description: A permissions issue existed in DiskArbitration. CVE-2021-1784: Mikko Kenttälä (@Turmio_) of SensorFu, Csaba Fitzl (@theevilbit) of Offensive Security, and an anonymous researcher
FaceTime Available for: macOS Big Sur 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-2021-1881: 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: macOS Big Sur 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: macOS Big Sur 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
Heimdal Available for: macOS Big Sur 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: macOS Big Sur Impact: A remote attacker may be able to cause a denial of service Description: A race condition was addressed with improved locking. CVE-2021-1880: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-30653: Ye Zhang of Baidu Security CVE-2021-1814: Ye Zhang of Baidu Security, Mickey Jin & Qi Sun of Trend Micro, and Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1843: Ye Zhang of Baidu Security
ImageIO Available for: macOS Big Sur 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-2021-1858: Mickey Jin of Trend Micro
Installer Available for: macOS Big Sur Impact: A malicious application may bypass Gatekeeper checks Description: This issue was addressed with improved handling of file metadata. CVE-2021-30658: Wojciech Reguła (@_r3ggi) of SecuRing
Intel Graphics Driver Available for: macOS Big Sur 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-2021-1841: Jack Dates of RET2 Systems, Inc. CVE-2021-1834: ABC Research s.r.o. working with Trend Micro Zero Day Initiative
Kernel Available for: macOS Big Sur 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: macOS Big Sur Impact: A local attacker may be able to elevate their privileges Description: A memory corruption issue was addressed with improved validation. CVE-2021-1840: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong Security Lab
Kernel Available for: macOS Big Sur Impact: An application may be able to execute arbitrary code with kernel privileges Description: A logic issue was addressed with improved state management. CVE-2021-1851: @0xalsr
Kernel Available for: macOS Big Sur 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: macOS Big Sur 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: macOS Big Sur 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: macOS Big Sur 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
Login Window Available for: macOS Big Sur Impact: A malicious application with root privileges may be able to access private information Description: This issue was addressed with improved entitlements. CVE-2021-1824: Wojciech Reguła (@_r3ggi) of SecuRing
Notes Available for: macOS Big Sur Impact: Locked Notes content may have been unexpectedly unlocked Description: A logic issue was addressed with improved state management. CVE-2021-1859: Syed Ali Shuja (@SyedAliShuja) of Colour King Pvt. CVE-2021-1876: Matthew Denton of Google Chrome
Preferences Available for: macOS Big Sur 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: macOS Big Sur Impact: A malicious website may be able to track users by setting state in a cache Description: An issue existed in determining cache occupancy. CVE-2021-1861: Konstantinos Solomos of University of Illinois at Chicago
Safari Available for: macOS Big Sur Impact: A malicious website may be able to force unnecessary network connections to fetch its favicon Description: A logic issue was addressed with improved state management. CVE-2021-1855: Håvard Mikkelsen Ottestad of HASMAC AS
SampleAnalysis Available for: macOS Big Sur 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
smbx Available for: macOS Big Sur Impact: An attacker in a privileged network position may be able to leak sensitive user information Description: An integer overflow was addressed with improved input validation. CVE-2021-1878: Aleksandar Nikolic of Cisco Talos (talosintelligence.com)
System Preferences Available for: macOS Big Sur Impact: A malicious application may bypass Gatekeeper checks Description: A logic issue was addressed with improved state management. CVE-2021-30657: an anonymous researcher
tcpdump Available for: macOS Big Sur Impact: A remote attacker may be able to cause a denial of service Description: This issue was addressed with improved checks. CVE-2020-8037: an anonymous researcher
Time Machine Available for: macOS Big Sur Impact: A local attacker may be able to elevate their privileges Description: The issue was addressed with improved permissions logic. CVE-2021-1839: Tim Michaud(@TimGMichaud) of Zoom Video Communications and Gary Nield of ECSC Group plc
WebKit Available for: macOS Big Sur 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: macOS Big Sur 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: macOS Big Sur 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: macOS Big Sur 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. 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: macOS Big Sur 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
Wi-Fi Available for: macOS Big Sur Impact: An application may be able to cause unexpected system termination or write kernel memory Description: A memory corruption issue was addressed with improved validation. CVE-2021-1828: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong Security Lab
Wi-Fi Available for: macOS Big Sur Impact: An application may be able to execute arbitrary code with kernel privileges Description: A type confusion issue was addressed with improved state handling. CVE-2021-1829: Tielei Wang of Pangu Lab
Wi-Fi Available for: macOS Big Sur Impact: An application may be able to execute arbitrary code with system privileges Description: The issue was addressed with improved permissions logic. CVE-2021-30655: Gary Nield of ECSC Group plc and Tim Michaud(@TimGMichaud) of Zoom Video Communications and Wojciech Reguła (@_r3ggi) of SecuRing
Windows Server Available for: macOS Big Sur Impact: A malicious application may be able to unexpectedly leak a user's credentials from secure text fields Description: An API issue in Accessibility TCC permissions was addressed with improved state management. CVE-2021-1873: an anonymous researcher
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/
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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-2021-1849: 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-2021-1822: 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-2021-1807: 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-2021-1868: 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-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
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"data": "This issue was addressed with improved checks. This issue is fixed in Security Update 2021-002 Catalina, Security Update 2021-003 Mojave, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. Processing a maliciously crafted image may lead to arbitrary code execution. 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. \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-2021-04-26-2 macOS Big Sur 11.3\n\nmacOS Big Sur 11.3 addresses the following issues. \nInformation about the security content is also available at\nhttps://support.apple.com/HT212325. \n\nAPFS\nAvailable for: macOS Big Sur\nImpact: A local attacker may be able to elevate their privileges\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1853: Gary Nield of ECSC Group plc and Tim\nMichaud(@TimGMichaud) of Zoom Video Communications\n\nAppleMobileFileIntegrity\nAvailable for: macOS Big Sur\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\nApple Neural Engine\nAvailable for: macOS Big Sur\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 Group\nTianqiong Security Lab\n\nArchive Utility\nAvailable for: macOS Big Sur\nImpact: A malicious application may bypass Gatekeeper checks\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1810: an anonymous researcher\n\nAudio\nAvailable for: macOS Big Sur\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: macOS Big Sur\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: macOS Big Sur\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: macOS Big Sur\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: macOS Big Sur\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\nCoreGraphics\nAvailable for: macOS Big Sur\nImpact: Opening a maliciously crafted file may lead to unexpected\napplication termination or arbitrary code execution\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2021-1847: Xuwei Liu of Purdue University\n\nCoreText\nAvailable for: macOS Big Sur\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\ncurl\nAvailable for: macOS Big Sur\nImpact: An attacker may provide a fraudulent OCSP response that would\nappear valid\nDescription: This issue was addressed with improved checks. \nCVE-2020-8286: an anonymous researcher\n\ncurl\nAvailable for: macOS Big Sur\nImpact: A remote attacker may be able to cause a denial of service\nDescription: A buffer overflow was addressed with improved input\nvalidation. \nCVE-2020-8285: xnynx\n\nDiskArbitration\nAvailable for: macOS Big Sur\nImpact: A malicious application may be able to modify protected parts\nof the file system\nDescription: A permissions issue existed in DiskArbitration. \nCVE-2021-1784: Mikko Kentt\u00e4l\u00e4 (@Turmio_) of SensorFu, Csaba Fitzl\n(@theevilbit) of Offensive Security, and an anonymous researcher\n\nFaceTime\nAvailable for: macOS Big Sur\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-2021-1881: 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: macOS Big Sur\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: macOS Big Sur\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\nHeimdal\nAvailable for: macOS Big Sur\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: macOS Big Sur\nImpact: A remote attacker may be able to cause a denial of service\nDescription: A race condition was addressed with improved locking. \nCVE-2021-1880: Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-30653: Ye Zhang of Baidu Security\nCVE-2021-1814: Ye Zhang of Baidu Security, Mickey Jin \u0026 Qi Sun of\nTrend Micro, and Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-1843: Ye Zhang of Baidu Security\n\nImageIO\nAvailable for: macOS Big Sur\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-2021-1858: Mickey Jin of Trend Micro\n\nInstaller\nAvailable for: macOS Big Sur\nImpact: A malicious application may bypass Gatekeeper checks\nDescription: This issue was addressed with improved handling of file\nmetadata. \nCVE-2021-30658: Wojciech Regu\u0142a (@_r3ggi) of SecuRing\n\nIntel Graphics Driver\nAvailable for: macOS Big Sur\nImpact: A malicious application may be able to execute arbitrary code\nwith kernel privileges\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2021-1841: Jack Dates of RET2 Systems, Inc. \nCVE-2021-1834: ABC Research s.r.o. working with Trend Micro Zero Day\nInitiative\n\nKernel\nAvailable for: macOS Big Sur\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: macOS Big Sur\nImpact: A local attacker may be able to elevate their privileges\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2021-1840: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong\nSecurity Lab\n\nKernel\nAvailable for: macOS Big Sur\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1851: @0xalsr\n\nKernel\nAvailable for: macOS Big Sur\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: macOS Big Sur\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: macOS Big Sur\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: macOS Big Sur\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\nLogin Window\nAvailable for: macOS Big Sur\nImpact: A malicious application with root privileges may be able to\naccess private information\nDescription: This issue was addressed with improved entitlements. \nCVE-2021-1824: Wojciech Regu\u0142a (@_r3ggi) of SecuRing\n\nNotes\nAvailable for: macOS Big Sur\nImpact: Locked Notes content may have been unexpectedly unlocked\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1859: Syed Ali Shuja (@SyedAliShuja) of Colour King Pvt. \nCVE-2021-1876: Matthew Denton of Google Chrome\n\nPreferences\nAvailable for: macOS Big Sur\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: macOS Big Sur\nImpact: A malicious website may be able to track users by setting\nstate in a cache\nDescription: An issue existed in determining cache occupancy. \nCVE-2021-1861: Konstantinos Solomos of University of Illinois at\nChicago\n\nSafari\nAvailable for: macOS Big Sur\nImpact: A malicious website may be able to force unnecessary network\nconnections to fetch its favicon\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1855: H\u00e5vard Mikkelsen Ottestad of HASMAC AS\n\nSampleAnalysis\nAvailable for: macOS Big Sur\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\nsmbx\nAvailable for: macOS Big Sur\nImpact: An attacker in a privileged network position may be able to\nleak sensitive user information\nDescription: An integer overflow was addressed with improved input\nvalidation. \nCVE-2021-1878: Aleksandar Nikolic of Cisco Talos\n(talosintelligence.com)\n\nSystem Preferences\nAvailable for: macOS Big Sur\nImpact: A malicious application may bypass Gatekeeper checks\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-30657: an anonymous researcher\n\ntcpdump\nAvailable for: macOS Big Sur\nImpact: A remote attacker may be able to cause a denial of service\nDescription: This issue was addressed with improved checks. \nCVE-2020-8037: an anonymous researcher\n\nTime Machine\nAvailable for: macOS Big Sur\nImpact: A local attacker may be able to elevate their privileges\nDescription: The issue was addressed with improved permissions logic. \nCVE-2021-1839: Tim Michaud(@TimGMichaud) of Zoom Video Communications\nand Gary Nield of ECSC Group plc\n\nWebKit\nAvailable for: macOS Big Sur\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: macOS Big Sur\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: macOS Big Sur\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: macOS Big Sur\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. 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: macOS Big Sur\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\nWi-Fi\nAvailable for: macOS Big Sur\nImpact: An application may be able to cause unexpected system\ntermination or write kernel memory\nDescription: A memory corruption issue was addressed with improved\nvalidation. \nCVE-2021-1828: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong\nSecurity Lab\n\nWi-Fi\nAvailable for: macOS Big Sur\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A type confusion issue was addressed with improved state\nhandling. \nCVE-2021-1829: Tielei Wang of Pangu Lab\n\nWi-Fi\nAvailable for: macOS Big Sur\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: The issue was addressed with improved permissions logic. \nCVE-2021-30655: Gary Nield of ECSC Group plc and Tim\nMichaud(@TimGMichaud) of Zoom Video Communications and Wojciech\nRegu\u0142a (@_r3ggi) of SecuRing\n\nWindows Server\nAvailable for: macOS Big Sur\nImpact: A malicious application may be able to unexpectedly leak a\nuser\u0027s credentials from secure text fields\nDescription: An API issue in Accessibility TCC permissions was\naddressed with improved state management. \nCVE-2021-1873: an anonymous researcher\n\nInstallation note:\n\nThis update may be obtained from the Mac App Store or\nApple\u0027s Software Downloads web site:\nhttps://support.apple.com/downloads/\n\nInformation will also be posted to the Apple Security Updates\nweb site: https://support.apple.com/kb/HT201222\n\nThis message is signed with Apple\u0027s Product Security PGP key,\nand details are available at:\nhttps://www.apple.com/support/security/pgp/\n\n-----BEGIN PGP SIGNATURE-----\n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\n0C3to6hKJNmTm56RgxwfVVOeVnsPF490s9LUYzO4ZUbaQHIuDfo=\n=9+Ju\n-----END PGP SIGNATURE-----\n\n\n. \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-2021-1849: 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-2021-1822: 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-2021-1807: 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-2021-1868: 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-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. You may manually\nobtain the update via the Check for Updates button within iTunes, or\nthe Software Update on your device",
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- 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.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- 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.