var-202104-0632
Vulnerability from variot
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple macOS. Interaction with the ModelIO library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.The specific flaw exists within the ModelIO framework. Crafted data in a USD file can trigger a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Apple IO Model is a module of Apple (Apple) for processing IO operations. Apple Model I/O has a security vulnerability that exists due to boundary conditions when handling USB files in the Model I/O component in macOS. A local user could insert a specially crafted USB drive, trigger an out-of-bounds read error and crash the system. Vulnerabilities exist in the following products or versions: macOS 10.3, macOS 10.12.4, macOS 10.12.5, macOS 10.12.6, macOS 10.12.6.2, macOS 10.13, macOS 10.13.1, macOS 10.13.2, macOS 10.13.3, macOS 10.13 .4, macOS 10.13.5, macOS 10.13.6, macOS 10.14, macOS 10.14.1, macOS 10.14.2, macOS 10.14.3, macOS 10.14.4, macOS 10.14.5, macOS 10.14.6, macOS 10.15, macOS 10.15 SU1, macOS 10.15.1, macOS 10.15.2, macOS 10.15.3, macOS 10.15.4, macOS 10.15.4 SU1, macOS 10.15.5, macOS 10.15.5 SU1, macOS 10.15.6, macOS 10.15.6 SU1 , macOS 10.15.7, macOS 10.15.7 SU1, macOS 11.0, macOS 11.0.1, macOS 11.1. Information about the security content is also available at https://support.apple.com/HT212147. CVE-2021-1761: Cees Elzinga
APFS Available for: macOS Big Sur 11.0.1 Impact: A local user may be able to read arbitrary files Description: The issue was addressed with improved permissions logic. CVE-2021-1797: Thomas Tempelmann
CFNetwork Cache Available for: macOS Catalina 10.15.7 and macOS Mojave 10.14.6 Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: An integer overflow was addressed with improved input validation. CVE-2020-27945: Zhuo Liang of Qihoo 360 Vulcan Team
CoreAnimation Available for: macOS Big Sur 11.0.1 Impact: A malicious application could execute arbitrary code leading to compromise of user information Description: A memory corruption issue was addressed with improved state management. CVE-2021-1760: @S0rryMybad of 360 Vulcan Team
CoreAudio Available for: macOS Big Sur 11.0.1 Impact: Processing maliciously crafted web content may lead to code execution Description: An out-of-bounds write was addressed with improved input validation. CVE-2021-1747: JunDong Xie of Ant Security Light-Year Lab
CoreGraphics Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: Processing a maliciously crafted font file may lead to arbitrary code execution Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2021-1759: Hou JingYi (@hjy79425575) of Qihoo 360 CERT
CoreText Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: Processing a maliciously crafted text file may lead to arbitrary code execution Description: A stack overflow was addressed with improved input validation. CVE-2021-1772: Mickey Jin of Trend Micro working with Trend Micro’s Zero Day Initiative
CoreText Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: A remote attacker may be able to cause arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-1792: Mickey Jin & Junzhi Lu of Trend Micro working with Trend Micro’s Zero Day Initiative
Crash Reporter Available for: macOS Catalina 10.15.7 Impact: A remote attacker may be able to cause a denial of service Description: This issue was addressed with improved checks. CVE-2021-1761: Cees Elzinga
Crash Reporter Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: A local attacker may be able to elevate their privileges Description: Multiple issues were addressed with improved logic. CVE-2021-1786: Csaba Fitzl (@theevilbit) of Offensive Security
Directory Utility Available for: macOS Catalina 10.15.7 Impact: A malicious application may be able to access private information Description: A logic issue was addressed with improved state management. CVE-2020-27937: Wojciech Reguła (@_r3ggi) of SecuRing
Endpoint Security Available for: macOS Catalina 10.15.7 Impact: A local attacker may be able to elevate their privileges Description: A logic issue was addressed with improved state management. CVE-2021-1802: Zhongcheng Li (@CK01) from WPS Security Response Center
FairPlay Available for: macOS Big Sur 11.0.1 Impact: A malicious application may be able to disclose kernel memory Description: An out-of-bounds read issue existed that led to the disclosure of kernel memory. CVE-2021-1791: Junzhi Lu (@pwn0rz), Qi Sun & Mickey Jin of Trend Micro working with Trend Micro’s Zero Day Initiative
FontParser Available for: macOS Catalina 10.15.7 Impact: Processing a maliciously crafted font may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1775: Mickey Jin and Qi Sun of Trend Micro
FontParser Available for: macOS Mojave 10.14.6 Impact: A remote attacker may be able to leak memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2020-29608: Xingwei Lin of Ant Security Light-Year Lab
FontParser Available for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7 Impact: A remote attacker may be able to cause arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-1741: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1743: Mickey Jin & Junzhi Lu of Trend Micro working with Trend Micro’s Zero Day Initiative, Xingwei Lin of Ant Security Light- Year Lab
ImageIO Available for: macOS Big Sur 11.0.1 Impact: Processing a maliciously crafted image may lead to a denial of service Description: A logic issue was addressed with improved state management. CVE-2021-1773: Xingwei Lin of Ant Security Light-Year Lab
ImageIO Available for: macOS Big Sur 11.0.1 Impact: Processing a maliciously crafted image may lead to a denial of service Description: An out-of-bounds read issue existed in the curl. CVE-2021-1778: Xingwei Lin of Ant Security Light-Year Lab
ImageIO Available for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7 Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1766: Danny Rosseau of Carve Systems
ImageIO Available for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7 Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: A logic issue was addressed with improved state management. CVE-2021-1742: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1746: Mickey Jin & Qi Sun of Trend Micro, Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1754: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1774: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1777: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1793: Xingwei Lin of Ant Security Light-Year Lab
ImageIO Available for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7 Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An out-of-bounds write was addressed with improved input validation. CVE-2021-1737: Xingwei Lin of Ant Security Light-Year Lab CVE-2021-1738: Lei Sun CVE-2021-1744: Xingwei Lin of Ant Security Light-Year Lab
IOKit Available for: macOS Big Sur 11.0.1 Impact: An application may be able to execute arbitrary code with system privileges Description: A logic error in kext loading was addressed with improved state handling. CVE-2021-1779: Csaba Fitzl (@theevilbit) of Offensive Security
IOSkywalkFamily Available for: macOS Big Sur 11.0.1 Impact: A local attacker may be able to elevate their privileges Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-1757: Pan ZhenPeng (@Peterpan0927) of Alibaba Security, Proteas
Kernel Available for: macOS Catalina 10.15.7 and macOS Mojave 10.14.6 Impact: An application may be able to execute arbitrary code with kernel privileges Description: A logic issue existed resulting in memory corruption. CVE-2020-27904: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong Security Lab
Kernel Available for: macOS Big Sur 11.0.1 Impact: A remote attacker may be able to cause a denial of service Description: A use after free issue was addressed with improved memory management. Apple is aware of a report that this issue may have been actively exploited. CVE-2021-1782: an anonymous researcher
Kernel Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: An application may be able to execute arbitrary code with kernel privileges Description: Multiple issues were addressed with improved logic. CVE-2021-1750: @0xalsr
Login Window Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: An attacker in a privileged network position may be able to bypass authentication policy Description: An authentication issue was addressed with improved state management. CVE-2020-29633: Jewel Lambert of Original Spin, LLC. CVE-2021-1771: Shreyas Ranganatha (@strawsnoceans)
Model I/O Available for: macOS Big Sur 11.0.1 Impact: Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution Description: An out-of-bounds write was addressed with improved input validation. CVE-2021-1762: Mickey Jin of Trend Micro
Model I/O Available for: macOS Catalina 10.15.7 Impact: Processing a maliciously crafted file may lead to heap corruption Description: This issue was addressed with improved checks. CVE-2020-29614: ZhiWei Sun (@5n1p3r0010) from Topsec Alpha Lab
Model I/O Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution Description: A buffer overflow was addressed with improved bounds checking. CVE-2021-1763: Mickey Jin of Trend Micro working with Trend Micro’s Zero Day Initiative
Model I/O Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: Processing a maliciously crafted image may lead to heap corruption Description: This issue was addressed with improved checks. CVE-2021-1767: Mickey Jin & Junzhi Lu of Trend Micro working with Trend Micro’s Zero Day Initiative
Model I/O Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved input validation. CVE-2021-1745: Mickey Jin & Junzhi Lu of Trend Micro working with Trend Micro’s Zero Day Initiative
Model I/O Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 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-2021-1753: Mickey Jin of Trend Micro working with Trend Micro’s Zero Day Initiative
Model I/O Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-1768: Mickey Jin & Junzhi Lu of Trend Micro working with Trend Micro’s Zero Day Initiative
NetFSFramework Available for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and macOS Mojave 10.14.6 Impact: Mounting a maliciously crafted Samba network share may lead to arbitrary code execution Description: A logic issue was addressed with improved state management. CVE-2020-25709
Power Management Available for: macOS Mojave 10.14.6, macOS Catalina 10.15.7 Impact: A malicious application may be able to elevate privileges Description: A logic issue was addressed with improved state management. CVE-2020-27938: Tim Michaud (@TimGMichaud) of Leviathan
Screen Sharing Available for: macOS Big Sur 11.0.1 Impact: Multiple issues in pcre Description: Multiple issues were addressed by updating to version 8.44. CVE-2019-20838 CVE-2020-14155
SQLite Available for: macOS Catalina 10.15.7 Impact: Multiple issues in SQLite Description: Multiple issues were addressed by updating SQLite to version 3.32.3. CVE-2020-15358
Swift Available for: macOS Big Sur 11.0.1 Impact: A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication Description: A logic issue was addressed with improved validation. CVE-2021-1769: CodeColorist of Ant-Financial Light-Year Labs
WebKit Available for: macOS Big Sur 11.0.1 Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2021-1788: Francisco Alonso (@revskills)
WebKit Available for: macOS Big Sur 11.0.1 Impact: Maliciously crafted web content may violate iframe sandboxing policy Description: This issue was addressed with improved iframe sandbox enforcement. CVE-2021-1765: Eliya Stein of Confiant CVE-2021-1801: Eliya Stein of Confiant
WebKit Available for: macOS Big Sur 11.0.1 Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A type confusion issue was addressed with improved state handling. CVE-2021-1789: @S0rryMybad of 360 Vulcan Team
WebKit Available for: macOS Big Sur 11.0.1 Impact: A remote attacker may be able to cause arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited. CVE-2021-1871: an anonymous researcher CVE-2021-1870: an anonymous researcher
WebRTC Available for: macOS Big Sur 11.0.1 Impact: A malicious website may be able to access restricted ports on arbitrary servers Description: A port redirection issue was addressed with additional port validation. CVE-2021-1799: Gregory Vishnepolsky & Ben Seri of Armis Security, and Samy Kamkar
Additional recognition
Kernel We would like to acknowledge Junzhi Lu (@pwn0rz), Mickey Jin & Jesse Change of Trend Micro for their assistance.
libpthread We would like to acknowledge CodeColorist of Ant-Financial Light-Year Labs for their assistance.
Login Window We would like to acknowledge Jose Moises Romero-Villanueva of CrySolve for their assistance.
Mail Drafts We would like to acknowledge Jon Bottarini of HackerOne for their assistance.
Screen Sharing Server We would like to acknowledge @gorelics for their assistance.
WebRTC We would like to acknowledge Philipp Hancke for their assistance.
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. CVE-2021-1782: an anonymous researcher
Messages Available for: iPhone 6s and later, iPad Air 2 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 privacy issue existed in the handling of Contact cards. CVE-2021-1753: Mickey Jin of Trend Micro Entry added February 1, 2021
Phone Keypad Available for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) Impact: An attacker with physical access to a device may be able to see private contact information Description: A lock screen issue allowed access to contacts on a locked device
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"data": "An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted image may lead to arbitrary code execution. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple macOS. Interaction with the ModelIO library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.The specific flaw exists within the ModelIO framework. Crafted data in a USD file can trigger a read past the end of an allocated data structure. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Apple IO Model is a module of Apple (Apple) for processing IO operations. Apple Model I/O has a security vulnerability that exists due to boundary conditions when handling USB files in the Model I/O component in macOS. A local user could insert a specially crafted USB drive, trigger an out-of-bounds read error and crash the system. Vulnerabilities exist in the following products or versions: macOS 10.3, macOS 10.12.4, macOS 10.12.5, macOS 10.12.6, macOS 10.12.6.2, macOS 10.13, macOS 10.13.1, macOS 10.13.2, macOS 10.13.3, macOS 10.13 .4, macOS 10.13.5, macOS 10.13.6, macOS 10.14, macOS 10.14.1, macOS 10.14.2, macOS 10.14.3, macOS 10.14.4, macOS 10.14.5, macOS 10.14.6, macOS 10.15, macOS 10.15 SU1, macOS 10.15.1, macOS 10.15.2, macOS 10.15.3, macOS 10.15.4, macOS 10.15.4 SU1, macOS 10.15.5, macOS 10.15.5 SU1, macOS 10.15.6, macOS 10.15.6 SU1 , macOS 10.15.7, macOS 10.15.7 SU1, macOS 11.0, macOS 11.0.1, macOS 11.1. Information\nabout the security content is also available at\nhttps://support.apple.com/HT212147. \nCVE-2021-1761: Cees Elzinga\n\nAPFS\nAvailable for: macOS Big Sur 11.0.1\nImpact: A local user may be able to read arbitrary files\nDescription: The issue was addressed with improved permissions logic. \nCVE-2021-1797: Thomas Tempelmann\n\nCFNetwork Cache\nAvailable for: macOS Catalina 10.15.7 and macOS Mojave 10.14.6\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: An integer overflow was addressed with improved input\nvalidation. \nCVE-2020-27945: Zhuo Liang of Qihoo 360 Vulcan Team\n\nCoreAnimation\nAvailable for: macOS Big Sur 11.0.1\nImpact: A malicious application could execute arbitrary code leading\nto compromise of user information\nDescription: A memory corruption issue was addressed with improved\nstate management. \nCVE-2021-1760: @S0rryMybad of 360 Vulcan Team\n\nCoreAudio\nAvailable for: macOS Big Sur 11.0.1\nImpact: Processing maliciously crafted web content may lead to code\nexecution\nDescription: An out-of-bounds write was addressed with improved input\nvalidation. \nCVE-2021-1747: JunDong Xie of Ant Security Light-Year Lab\n\nCoreGraphics\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: Processing a maliciously crafted font file may lead to\narbitrary code execution\nDescription: An out-of-bounds write issue was addressed with improved\nbounds checking. \nCVE-2021-1759: Hou JingYi (@hjy79425575) of Qihoo 360 CERT\n\nCoreText\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: Processing a maliciously crafted text file may lead to\narbitrary code execution\nDescription: A stack overflow was addressed with improved input\nvalidation. \nCVE-2021-1772: Mickey Jin of Trend Micro working with Trend Micro\u2019s\nZero Day Initiative\n\nCoreText\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2021-1792: Mickey Jin \u0026 Junzhi Lu of Trend Micro working with\nTrend Micro\u2019s Zero Day Initiative\n\nCrash Reporter\nAvailable for: macOS Catalina 10.15.7\nImpact: A remote attacker may be able to cause a denial of service\nDescription: This issue was addressed with improved checks. \nCVE-2021-1761: Cees Elzinga\n\nCrash Reporter\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: A local attacker may be able to elevate their privileges\nDescription: Multiple issues were addressed with improved logic. \nCVE-2021-1786: Csaba Fitzl (@theevilbit) of Offensive Security\n\nDirectory Utility\nAvailable for: macOS Catalina 10.15.7\nImpact: A malicious application may be able to access private\ninformation\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2020-27937: Wojciech Regu\u0142a (@_r3ggi) of SecuRing\n\nEndpoint Security\nAvailable for: macOS Catalina 10.15.7\nImpact: A local attacker may be able to elevate their privileges\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1802: Zhongcheng Li (@CK01) from WPS Security Response\nCenter\n\nFairPlay\nAvailable for: macOS Big Sur 11.0.1\nImpact: A malicious application may be able to disclose kernel memory\nDescription: An out-of-bounds read issue existed that led to the\ndisclosure of kernel memory. \nCVE-2021-1791: Junzhi Lu (@pwn0rz), Qi Sun \u0026 Mickey Jin of Trend\nMicro working with Trend Micro\u2019s Zero Day Initiative\n\nFontParser\nAvailable for: macOS Catalina 10.15.7\nImpact: Processing a maliciously crafted font may lead to arbitrary\ncode execution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-1775: Mickey Jin and Qi Sun of Trend Micro\n\nFontParser\nAvailable for: macOS Mojave 10.14.6\nImpact: A remote attacker may be able to leak memory\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2020-29608: Xingwei Lin of Ant Security Light-Year Lab\n\nFontParser\nAvailable for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7\nImpact: A remote attacker may be able to cause arbitrary code\nexecution\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2021-1741: Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-1743: Mickey Jin \u0026 Junzhi Lu of Trend Micro working with\nTrend Micro\u2019s Zero Day Initiative, Xingwei Lin of Ant Security Light-\nYear Lab\n\nImageIO\nAvailable for: macOS Big Sur 11.0.1\nImpact: Processing a maliciously crafted image may lead to a denial\nof service\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1773: Xingwei Lin of Ant Security Light-Year Lab\n\nImageIO\nAvailable for: macOS Big Sur 11.0.1\nImpact: Processing a maliciously crafted image may lead to a denial\nof service\nDescription: An out-of-bounds read issue existed in the curl. \nCVE-2021-1778: Xingwei Lin of Ant Security Light-Year Lab\n\nImageIO\nAvailable for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-1766: Danny Rosseau of Carve Systems\n\nImageIO\nAvailable for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7\nImpact: A remote attacker may be able to cause unexpected application\ntermination or arbitrary code execution\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2021-1742: Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-1746: Mickey Jin \u0026 Qi Sun of Trend Micro, Xingwei Lin of Ant\nSecurity Light-Year Lab\nCVE-2021-1754: Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-1774: Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-1777: Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-1793: Xingwei Lin of Ant Security Light-Year Lab\n\nImageIO\nAvailable for: macOS Big Sur 11.0.1 and macOS Catalina 10.15.7\nImpact: Processing a maliciously crafted image may lead to arbitrary\ncode execution\nDescription: An out-of-bounds write was addressed with improved input\nvalidation. \nCVE-2021-1737: Xingwei Lin of Ant Security Light-Year Lab\nCVE-2021-1738: Lei Sun\nCVE-2021-1744: Xingwei Lin of Ant Security Light-Year Lab\n\nIOKit\nAvailable for: macOS Big Sur 11.0.1\nImpact: An application may be able to execute arbitrary code with\nsystem privileges\nDescription: A logic error in kext loading was addressed with\nimproved state handling. \nCVE-2021-1779: Csaba Fitzl (@theevilbit) of Offensive Security\n\nIOSkywalkFamily\nAvailable for: macOS Big Sur 11.0.1\nImpact: A local attacker may be able to elevate their privileges\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2021-1757: Pan ZhenPeng (@Peterpan0927) of Alibaba Security,\nProteas\n\nKernel\nAvailable for: macOS Catalina 10.15.7 and macOS Mojave 10.14.6\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: A logic issue existed resulting in memory corruption. \nCVE-2020-27904: Zuozhi Fan (@pattern_F_) of Ant Group Tianqiong\nSecurity Lab\n\nKernel\nAvailable for: macOS Big Sur 11.0.1\nImpact: A remote attacker may be able to cause a denial of service\nDescription: A use after free issue was addressed with improved\nmemory management. \nApple is aware of a report that this issue may have been actively\nexploited. \nCVE-2021-1782: an anonymous researcher\n\nKernel\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: An application may be able to execute arbitrary code with\nkernel privileges\nDescription: Multiple issues were addressed with improved logic. \nCVE-2021-1750: @0xalsr\n\nLogin Window\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: An attacker in a privileged network position may be able to\nbypass authentication policy\nDescription: An authentication issue was addressed with improved\nstate management. \nCVE-2020-29633: Jewel Lambert of Original Spin, LLC. \nCVE-2021-1771: Shreyas Ranganatha (@strawsnoceans)\n\nModel I/O\nAvailable for: macOS Big Sur 11.0.1\nImpact: Processing a maliciously crafted USD file may lead to\nunexpected application termination or arbitrary code execution\nDescription: An out-of-bounds write was addressed with improved input\nvalidation. \nCVE-2021-1762: Mickey Jin of Trend Micro\n\nModel I/O\nAvailable for: macOS Catalina 10.15.7\nImpact: Processing a maliciously crafted file may lead to heap\ncorruption\nDescription: This issue was addressed with improved checks. \nCVE-2020-29614: ZhiWei Sun (@5n1p3r0010) from Topsec Alpha Lab\n\nModel I/O\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: Processing a maliciously crafted USD file may lead to\nunexpected application termination or arbitrary code execution\nDescription: A buffer overflow was addressed with improved bounds\nchecking. \nCVE-2021-1763: Mickey Jin of Trend Micro working with Trend Micro\u2019s\nZero Day Initiative\n\nModel I/O\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: Processing a maliciously crafted image may lead to heap\ncorruption\nDescription: This issue was addressed with improved checks. \nCVE-2021-1767: Mickey Jin \u0026 Junzhi Lu of Trend Micro working with\nTrend Micro\u2019s Zero Day Initiative\n\nModel I/O\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: Processing a maliciously crafted USD file may lead to\nunexpected application termination or arbitrary code execution\nDescription: An out-of-bounds read was addressed with improved input\nvalidation. \nCVE-2021-1745: Mickey Jin \u0026 Junzhi Lu of Trend Micro working with\nTrend Micro\u2019s Zero Day Initiative\n\nModel I/O\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\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-2021-1753: Mickey Jin of Trend Micro working with Trend Micro\u2019s\nZero Day Initiative\n\nModel I/O\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: Processing a maliciously crafted USD file may lead to\nunexpected application termination or arbitrary code execution\nDescription: An out-of-bounds read was addressed with improved bounds\nchecking. \nCVE-2021-1768: Mickey Jin \u0026 Junzhi Lu of Trend Micro working with\nTrend Micro\u2019s Zero Day Initiative\n\nNetFSFramework\nAvailable for: macOS Big Sur 11.0.1, macOS Catalina 10.15.7, and\nmacOS Mojave 10.14.6\nImpact: Mounting a maliciously crafted Samba network share may lead\nto arbitrary code execution\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2020-25709\n\nPower Management\nAvailable for: macOS Mojave 10.14.6, macOS Catalina 10.15.7\nImpact: A malicious application may be able to elevate privileges\nDescription: A logic issue was addressed with improved state\nmanagement. \nCVE-2020-27938: Tim Michaud (@TimGMichaud) of Leviathan\n\nScreen Sharing\nAvailable for: macOS Big Sur 11.0.1\nImpact: Multiple issues in pcre\nDescription: Multiple issues were addressed by updating to version\n8.44. \nCVE-2019-20838\nCVE-2020-14155\n\nSQLite\nAvailable for: macOS Catalina 10.15.7\nImpact: Multiple issues in SQLite\nDescription: Multiple issues were addressed by updating SQLite to\nversion 3.32.3. \nCVE-2020-15358\n\nSwift\nAvailable for: macOS Big Sur 11.0.1\nImpact: A malicious attacker with arbitrary read and write capability\nmay be able to bypass Pointer Authentication\nDescription: A logic issue was addressed with improved validation. \nCVE-2021-1769: CodeColorist of Ant-Financial Light-Year Labs\n\nWebKit\nAvailable for: macOS Big Sur 11.0.1\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A use after free issue was addressed with improved\nmemory management. \nCVE-2021-1788: Francisco Alonso (@revskills)\n\nWebKit\nAvailable for: macOS Big Sur 11.0.1\nImpact: Maliciously crafted web content may violate iframe sandboxing\npolicy\nDescription: This issue was addressed with improved iframe sandbox\nenforcement. \nCVE-2021-1765: Eliya Stein of Confiant\nCVE-2021-1801: Eliya Stein of Confiant\n\nWebKit\nAvailable for: macOS Big Sur 11.0.1\nImpact: Processing maliciously crafted web content may lead to\narbitrary code execution\nDescription: A type confusion issue was addressed with improved state\nhandling. \nCVE-2021-1789: @S0rryMybad of 360 Vulcan Team\n\nWebKit\nAvailable for: macOS Big Sur 11.0.1\nImpact: A remote attacker may be able to cause arbitrary code\nexecution. Apple is aware of a report that this issue may have been\nactively exploited. \nCVE-2021-1871: an anonymous researcher\nCVE-2021-1870: an anonymous researcher\n\nWebRTC\nAvailable for: macOS Big Sur 11.0.1\nImpact: A malicious website may be able to access restricted ports on\narbitrary servers\nDescription: A port redirection issue was addressed with additional\nport validation. \nCVE-2021-1799: Gregory Vishnepolsky \u0026 Ben Seri of Armis Security, and\nSamy Kamkar\n\nAdditional recognition\n\nKernel\nWe would like to acknowledge Junzhi Lu (@pwn0rz), Mickey Jin \u0026 Jesse\nChange of Trend Micro for their assistance. \n\nlibpthread\nWe would like to acknowledge CodeColorist of Ant-Financial Light-Year\nLabs for their assistance. \n\nLogin Window\nWe would like to acknowledge Jose Moises Romero-Villanueva of\nCrySolve for their assistance. \n\nMail Drafts\nWe would like to acknowledge Jon Bottarini of HackerOne for their\nassistance. \n\nScreen Sharing Server\nWe would like to acknowledge @gorelics for their assistance. \n\nWebRTC\nWe would like to acknowledge Philipp Hancke for their assistance. \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-----BEGIN PGP SIGNATURE-----\n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\niqHtE2L1WUZvUMCIKxfdixILEfoacSVCxr3+v4SSDOcEbSDYEIA=\n=mUkG\n-----END PGP SIGNATURE-----\n\n\n\n. \nCVE-2021-1782: an anonymous researcher\n\nMessages\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch (7th generation)\nImpact: A malicious application may be able to leak sensitive user\ninformation\nDescription: A privacy issue existed in the handling of Contact\ncards. \nCVE-2021-1753: Mickey Jin of Trend Micro\nEntry added February 1, 2021\n\nPhone Keypad\nAvailable for: iPhone 6s and later, iPad Air 2 and later, iPad mini 4\nand later, and iPod touch (7th generation)\nImpact: An attacker with physical access to a device may be able to\nsee private contact information\nDescription: A lock screen issue allowed access to contacts on a\nlocked device",
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