CVE-2020-29624 : Exploit Details and Defense Strategies
Learn about CVE-2020-29624, a memory corruption issue in font file processing affecting Apple's iOS, iPadOS, tvOS, watchOS, and macOS. Find out how to mitigate this vulnerability.
A memory corruption issue in font file processing affecting Apple's iOS, iPadOS, tvOS, watchOS, and macOS.
Understanding CVE-2020-29624
What is CVE-2020-29624?
A memory corruption issue in font file processing could allow arbitrary code execution.
The Impact of CVE-2020-29624
Processing a malicious font file could lead to arbitrary code execution.
Technical Details of CVE-2020-29624
Vulnerability Description
The issue stemmed from font file processing and was mitigated with enhanced input validation.
Affected Systems and Versions
- iOS and iPadOS versions less than 14.3
- tvOS versions less than 14.3
- watchOS versions less than 7.2
- macOS versions less than 11.1
Exploitation Mechanism
Malicious font files could trigger the vulnerability, potentially leading to arbitrary code execution.
Mitigation and Prevention
Immediate Steps to Take
- Update to watchOS 7.2, macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, iOS 14.3, iPadOS 14.3, and tvOS 14.3.
Long-Term Security Practices
- Regularly update all Apple devices to the latest software versions.
- Exercise caution when downloading and opening font files.
- Implement security best practices to prevent arbitrary code execution.
Patching and Updates
Apply the necessary security updates provided by Apple to address the vulnerability.