ID

VAR-202104-0630

CVE

CVE-2021-1750

TITLE

Apple Kernel Code problem vulnerability

DESCRIPTION

Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4 and iPadOS 14.4. An application may be able to execute arbitrary code with kernel privileges. Apple Kernel is the kernel of the Apple device of Apple (Apple). A code issue vulnerability exists in the Apple Kernel, which arises from a logic error within the macOS kernel subsystem. Apple macOS could allow a local malicious user to gain elevated privileges on the system, caused by mutliple issues in the Kernel component. 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-2021-1776: Ivan Fratric of Google Project Zero CoreMedia Available for: macOS Big Sur 11.0.1 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-2021-1759: 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-2021-1790: Peter Nguyen Vu Hoang of STAR Labs FontParser Available for: macOS Mojave 10.14.6 Impact: Processing a maliciously crafted font may lead to arbitrary code execution Description: This issue was addressed by removing the vulnerable code. 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-2021-1758: Peter Nguyen of STAR Labs ImageIO Available for: macOS Big Sur 11.0.1 Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: An access issue was addressed with improved memory management. CVE-2021-1783: 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 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-2021-1818: Xingwei Lin from Ant-Financial Light-Year Security 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: This issue was addressed with improved checks. 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-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-2021-1750: @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-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. 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----- iQIzBAEBCAAdFiEEbURczHs1TP07VIfuZcsbuWJ6jjAFAmAYgrkACgkQZcsbuWJ6 jjATvhAAmcspGY8ZHJcSUGr9mysz5iT9oGkZcvFa8kcJsFAvFb9Wjz0M2eovBXQc D9bD7LrUpodiqkSobB4bEevpD9P8E/T/eRSBxjomKLv5DKHPT4eh/K2EU6R6ubVi GGNlT9DJrIxcTJIB2y/yfs8msV2w2/gZDLKJZP4Zh6t8G1sjI17iEaxpOph67aq2 X0d+P7+7q1mUBa47JEQ+HIUNlfHtBL825cnmHD2Vn1WELQLKZfXBl+nPM9l9naRc 3vYIvR7xJ5c4bqFx7N9xwGdQ5TRIoDijqADwggGwOZEiVZ7PWifj/iCLUz4Ks4hr oGVE1UxN1oSX63D44ZQyfiyIWIiMtDV9V4J6mUoUnZ6RTTMoRRAF9DcSVF5/wmHk odYnMeouHc543ZyVBtdtwJ/tbuBvTOjzpNn0+UgiyRL9wG/xxQq+gB4vwgSEviek bBhyvdxLVWW0ULwFeN5rI5bCQBkv6BB9OSyhD6sMRrp59NAgBBS2nstZG1RAt7XL 2KZ1GpoNcuDRLj7ElxAfeJuPM1dFVTK48SH56M1FElz/QowZVOXyKgUoaeVTUyAC 3WOACmFAosFIclCbr8z8yGynX2bsCGBNKv4pKoHlyZCyFHCQw9L6uR2gRkOp86+M iqHtE2L1WUZvUMCIKxfdixILEfoacSVCxr3+v4SSDOcEbSDYEIA= =mUkG -----END PGP SIGNATURE----- . 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

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

code problem

EXPLOIT AVAILABILITY

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2024-08-14T12:47:44.510000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE