Vulnerabilities > CVE-2021-30843 - Unspecified vulnerability in Apple products
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
HIGH Integrity impact
HIGH Availability impact
HIGH Summary
This issue was addressed with improved checks. This issue is fixed in iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, Security Update 2021-005 Catalina, tvOS 15, iOS 15 and iPadOS 15, watchOS 8. Processing a maliciously crafted dfont file may lead to arbitrary code execution.
Vulnerable Configurations
References
- http://seclists.org/fulldisclosure/2021/Oct/61
- http://seclists.org/fulldisclosure/2021/Oct/61
- http://seclists.org/fulldisclosure/2021/Oct/62
- http://seclists.org/fulldisclosure/2021/Oct/62
- http://seclists.org/fulldisclosure/2021/Oct/63
- http://seclists.org/fulldisclosure/2021/Oct/63
- https://support.apple.com/en-us/HT212804
- https://support.apple.com/en-us/HT212804
- https://support.apple.com/en-us/HT212805
- https://support.apple.com/en-us/HT212805
- https://support.apple.com/en-us/HT212807
- https://support.apple.com/en-us/HT212807
- https://support.apple.com/en-us/HT212814
- https://support.apple.com/en-us/HT212814
- https://support.apple.com/en-us/HT212815
- https://support.apple.com/en-us/HT212815
- https://support.apple.com/en-us/HT212819
- https://support.apple.com/en-us/HT212819