CVE-2021-30723 : Security Advisory and Response
CVE-2021-30723 involves an information disclosure flaw in macOS and iOS, allowing attackers to reveal memory contents by processing a malicious USD file. Learn how to mitigate this vulnerability.
An information disclosure issue was addressed in macOS and iOS, where processing a maliciously crafted USD file could lead to memory contents being disclosed. This CVE affects multiple versions of Apple's operating systems.
Understanding CVE-2021-30723
This CVE-2021-30723 vulnerability involves an information disclosure flaw that could be exploited by processing a specially crafted USD file to reveal memory contents.
What is CVE-2021-30723?
CVE-2021-30723 is an information disclosure vulnerability in Apple's macOS and iOS operating systems. By processing a malicious USD file, an attacker could access memory contents.
The Impact of CVE-2021-30723
The impact of CVE-2021-30723 could lead to unauthorized access to sensitive information stored in memory, potentially compromising user data and system security.
Technical Details of CVE-2021-30723
This section provides detailed technical information about the vulnerability.
Vulnerability Description
A flaw in state management was identified in macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6, and iPadOS 14.6. Processing a crafted USD file could result in memory contents exposure.
Affected Systems and Versions
The vulnerability impacts iOS, iPadOS, and macOS versions less than 14.6, 11.4, and 2021, respectively.
Exploitation Mechanism
The vulnerability can be exploited by manipulating a specially designed USD file to trigger memory disclosure.
Mitigation and Prevention
Protecting systems from CVE-2021-30723 requires immediate action and long-term security measures.
Immediate Steps to Take
Users are urged to update their devices to the fixed versions: macOS Big Sur 11.4, Security Update 2021-003 Catalina, Security Update 2021-004 Mojave, iOS 14.6, and iPadOS 14.6.
Long-Term Security Practices
Maintain a proactive security posture by following best practices, including regular software updates, security patches, and user awareness training.
Patching and Updates
Regularly check for security updates from Apple and apply them promptly to protect against known vulnerabilities.