CVE-2021-30984 : Exploit Details and Defense Strategies
Discover how CVE-2021-30984 affects Apple products like macOS, iOS, and watchOS. Learn about the exploit, impact, and mitigation steps for this race condition vulnerability.
A race condition leading to arbitrary code execution was mitigated in several Apple products including macOS, iOS, watchOS, and more. Find out the impact, technical details, and mitigation steps below.
Understanding CVE-2021-30984
This CVE addresses a race condition vulnerability that could be exploited for arbitrary code execution in various Apple products.
What is CVE-2021-30984?
A race condition issue was fixed in tvOS 15.2, macOS Monterey 12.1, Safari 15.2, iOS 15.2, iPadOS 15.2, and watchOS 8.3. It could allow an attacker to execute arbitrary code by processing specially crafted web content.
The Impact of CVE-2021-30984
Exploitation of this vulnerability could result in an attacker executing malicious code on affected devices, potentially leading to a breach of confidentiality, integrity, and availability.
Technical Details of CVE-2021-30984
Below are the key technical details regarding the CVE-2021-30984 vulnerability:
Vulnerability Description
The vulnerability stems from a race condition and inadequate state handling within the affected Apple products, which attackers could leverage to trigger arbitrary code execution.
Affected Systems and Versions
- watchOS: Versions prior to 8.3
- iOS and iPadOS: Versions earlier than 15.2
- macOS: Versions below 12.1 and 15.2
Exploitation Mechanism
Attackers can exploit this vulnerability by enticing users to visit specially crafted websites or open malicious files, leading to the execution of arbitrary code on the device.
Mitigation and Prevention
To safeguard your systems against CVE-2021-30984, consider the following security measures:
Immediate Steps to Take
- Apply the latest security updates provided by Apple for the affected products.
- Educate users about the risks associated with visiting untrusted websites or downloading files from unknown sources.
Long-Term Security Practices
- Implement robust security protocols and firewalls to filter incoming web content.
- Regularly monitor security advisories and update mechanisms to stay informed about potential threats.
Patching and Updates
Ensure prompt installation of security patches released by Apple for the affected products to mitigate the CVE-2021-30984 vulnerability.