site_archiver@lists.apple.com Delivered-To: security-announce@lists.apple.com -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2021-10-26-4 macOS Big Sur 11.6.1 macOS Big Sur 11.6.1 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT212872. AppleScript Available for: macOS Big Sur Impact: Processing a maliciously crafted AppleScript binary may result in unexpected application termination or disclosure of process memory Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30876: Jeremy Brown, hjy79425575 CVE-2021-30879: Jeremy Brown, hjy79425575 CVE-2021-30877: Jeremy Brown CVE-2021-30880: Jeremy Brown Audio Available for: macOS Big Sur Impact: A malicious application may be able to elevate privileges Description: An integer overflow was addressed through improved input validation. CVE-2021-30907: Zweig of Kunlun Lab Bluetooth Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved state handling. CVE-2021-30899: Weiteng Chen, Zheng Zhang, and Zhiyun Qian of UC Riverside, and Yu Wang of Didi Research America ColorSync Available for: macOS Big Sur Impact: Processing a maliciously crafted image may lead to arbitrary code execution Description: A memory corruption issue existed in the processing of ICC profiles. This issue was addressed with improved input validation. CVE-2021-30917: Alexandru-Vlad Niculae and Mateusz Jurczyk of Google Project Zero CoreGraphics Available for: macOS Big Sur Impact: Processing a maliciously crafted PDF may lead to arbitrary code execution Description: An out-of-bounds write was addressed with improved input validation. CVE-2021-30919 FileProvider Available for: macOS Big Sur Impact: Unpacking a maliciously crafted archive may lead to arbitrary code execution Description: An input validation issue was addressed with improved memory handling. CVE-2021-30881: Simon Huang (@HuangShaomang) and pjf of IceSword Lab of Qihoo 360 iCloud Available for: macOS Big Sur Impact: A local attacker may be able to elevate their privileges Description: This issue was addressed with improved checks. CVE-2021-30906: Cees Elzinga Intel Graphics Driver Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2021-30824: Antonio Zekic (@antoniozekic) of Diverto Intel Graphics Driver Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: Multiple out-of-bounds write issues were addressed with improved bounds checking. CVE-2021-30901: Zuozhi Fan (@pattern_F_) of Ant Security TianQiong Lab, Yinyi Wu (@3ndy1), Jack Dates of RET2 Systems, Inc. IOGraphics Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30821: Tim Michaud (@TimGMichaud) of Zoom Video Communications IOMobileFrameBuffer Available for: macOS Big Sur Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited. Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30883: an anonymous researcher Kernel Available for: macOS Big Sur Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30909: Zweig of Kunlun Lab Kernel Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved memory handling. CVE-2021-30916: Zweig of Kunlun Lab Model I/O Available for: macOS Big Sur Impact: Processing a maliciously crafted file may disclose user information Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30910: Mickey Jin (@patch1t) of Trend Micro Model I/O Available for: macOS Big Sur Impact: Processing a maliciously crafted USD file may disclose memory contents Description: An out-of-bounds read was addressed with improved bounds checking. CVE-2021-30911: Rui Yang and Xingwei Lin of Ant Security Light-Year Lab SMB Available for: macOS Big Sur Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. CVE-2021-30868: Peter Nguyen Vu Hoang of STAR Labs SoftwareUpdate Available for: macOS Big Sur Impact: An unprivileged application may be able to edit NVRAM variables Description: The issue was addressed with improved permissions logic. CVE-2021-30913: Kirin (@Pwnrin) and chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab SoftwareUpdate Available for: macOS Big Sur Impact: A malicious application may gain access to a user's Keychain items Description: The issue was addressed with improved permissions logic. CVE-2021-30912: Kirin (@Pwnrin) and chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab UIKit Available for: macOS Big Sur Impact: A person with physical access to an iOS device may be able to determine characteristics of a user's password in a secure text entry field Description: A logic issue was addressed with improved state management. CVE-2021-30915: Kostas Angelopoulos Windows Server Available for: macOS Big Sur Impact: A local attacker may be able to view the previous logged-in user’s desktop from the fast user switching screen Description: An authentication issue was addressed with improved state management. CVE-2021-30908: ASentientBot zsh Available for: macOS Big Sur Impact: A malicious application may be able to modify protected parts of the file system Description: An inherited permissions issue was addressed with additional restrictions. CVE-2021-30892: Jonathan Bar Or of Microsoft Additional recognition iCloud We would like to acknowledge Ryan Pickren (ryanpickren.com) for their assistance. Installation note: This update may be obtained from the Mac App Store 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/ Information will also be posted to the Apple Security Updates web site: https://support.apple.com/kb/HT201222 This message is signed with Apple's Product Security PGP key, and details are available at: https://www.apple.com/support/security/pgp/ -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEePiLW1MrMjw19XzoeC9qKD1prhgFAmF4hqoACgkQeC9qKD1p rhjexhAAtR/7FXVHWotw6RoCYu2agcJCed2Jnnf47+RKSptNEqvMwaknr2eQBUKb 1PQ0vVS3vLGALM73r8Kg1VcxQYTb27uVc1KCkTLIsMHsGLHmH+ZWEVS/ZwfS3nnY fLxemzNKTYc21935GT8Uvx6pEENh7Tfu+j/arZ4nbhtE04Ggbgxhv78k4wdlLbLI Z25whdX8EResx9Rh9mRBa/WDvqNfTkXEkjIAf2ge0H9MzzW/wB5UdUOwG/B9zUOi 9S21Xn+QUhIpyaeZ0tUKHJs2g5L3bJtKuXyO5Msd2kkO2942o4ONMiXe7loSEowf POz/D9Y465T65LFJgTMjwObx716u9JdMlyxr9UIVI2TnQE3WHs6y/jHv1Pz8q5nV k5o//Fdcp4YHeOdoumGN+o/PvxxQ0XEunVT26msMuntcK4hywOFneufxixVDQFf1 4nP+0JGX+PGfqg5uBNJOi3nJwvjTqA6YtDBEbXBcV5WOCPOPzDTzxeXIp4WxyxH5 UKO5ne2XH2T6O0Vde4enAIXVWAhBMUha8FrHdPYEfWphsYgI7+vYuCYZORHPz6Zf Yf9svUpqb2u0gDs2iibi0GANw+3vzOaDOV3y4HKighI8xzs8m6+YNyOkcbEPPLyQ 7T5tzulHTMJczutLmpiiFDmIoKE3+s5PGmzrlM1qWUGrfpv+ReY= =XZJU -----END PGP SIGNATURE----- _______________________________________________ Do not post admin requests to the list. 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