On May 26, 2020, Apple released a security update for MacOS Catalina, Mojave, and High Sierra. Part of this update addressed a local privilege escalation vulnerability (CVE-2020-9817). Cisco has determined that Cisco AnyConnect Secure Mobility Client releases 4.10.00093 and earlier could be used to exploit this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-mac-priv-esc-VqST2nrT
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 14.2 and iPadOS 14.2, macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.
Find My. A file access issue existed with certain home folder files. This was addressed with improved access restrictions.
Model I/O. An out-of-bounds write issue was addressed with improved bounds checking.
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in watchOS 7.0, tvOS 14.0, macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave, iOS 14.0 and iPadOS 14.0. Playing a malicious audio file may lead to arbitrary code execution.
Mail. This issue was addressed with improved checks.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave, iOS 14.0 and iPadOS 14.0. Processing a maliciously crafted USD file may lead to unexpected application termination or arbitrary code execution.
A logic issue was addressed with improved restrictions. This issue is fixed in iOS 14.0 and iPadOS 14.0, macOS Catalina 10.15.7, tvOS 14.0, watchOS 7.0. A malicious application may be able to access restricted files.
Wi-Fi. A logic issue was addressed with improved state management.
An out-of-bounds read was addressed with improved input validation. This issue is fixed in macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted image may lead to arbitrary code execution.
A use after free issue was addressed with improved memory management. This issue is fixed in watchOS 7.0, iOS 14.0 and iPadOS 14.0, iTunes for Windows 12.10.9, iCloud for Windows 11.5, tvOS 14.0, macOS Catalina 10.15.7, Security Update 2020-005 High Sierra, Security Update 2020-005 Mojave. Processing a maliciously crafted file may lead to arbitrary code execution.
ImageIO. An out-of-bounds write issue was addressed with improved bounds checking.
sysdiagnose. An issue existed within the path validation logic for symlinks. This issue was addressed with improved path sanitization.
AMD. A memory corruption issue was addressed with improved input validation.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. Processing a maliciously crafted audio file may lead to arbitrary code execution.
Bluetooth. Multiple memory corruption issues were addressed with improved memory handling.
Bluetooth. A memory corruption issue was addressed with improved memory handling.
Clang. A logic issue was addressed with improved validation.
CoreAudio. A buffer overflow was addressed with improved bounds checking.
Core Bluetooth. A memory corruption issue was addressed with improved memory handling.
CoreCapture. A use after free issue was addressed with improved memory management.
CoreGraphics. A buffer overflow issue was addressed with improved memory handling.
A memory corruption issue was addressed by removing the vulnerable code. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, tvOS 13.4.8, watchOS 6.2.8. A malicious application may be able to break out of its sandbox.