ID

VAR-202104-0625

CVE

CVE-2021-1744

TITLE

Apple ImageIO Buffer error vulnerability

DESCRIPTION

An out-of-bounds write was addressed with improved input validation. 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. Processing a maliciously crafted image may lead to arbitrary code execution. A security vulnerability exists in Apple ImageIO that could allow a remote attacker to compromise a vulnerable system. The following products and versions are affected: macOS: 10.15, 10.15 SU1, 10.15.1, 10.15.2, 10.15.3, 10.15.4, 10.15.4 SU1, 10.15.5, 10.15.5 SU1, 10.15.6, 10.15. 6 SU1, 10.15.7, 10.15.7 SU1, 11.0, 11.0.1, 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. 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

buffer error

EXPLOIT AVAILABILITY

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2024-08-14T12:08:23.420000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE