CVE-2021-30760 : What You Need to Know
Learn about CVE-2021-30760, an integer overflow vulnerability in Apple products leading to arbitrary code execution. Find out the affected systems, impact, and mitigation steps.
This CVE-2021-30760 article provides an overview of the identified vulnerability, its impact, and mitigation steps for users.
Understanding CVE-2021-30760
In this section, we will delve into the details of the CVE-2021-30760 vulnerability affecting Apple products.
What is CVE-2021-30760?
The CVE-2021-30760 vulnerability is related to an integer overflow that has been addressed through improved input validation. The issue could potentially lead to arbitrary code execution when processing a maliciously crafted font file.
The Impact of CVE-2021-30760
The impact of CVE-2021-30760 is significant as it poses a risk of arbitrary code execution on affected systems. Apple products, including iOS, macOS Big Sur, watchOS, and tvOS, are vulnerable to exploitation through this security flaw.
Technical Details of CVE-2021-30760
This section covers specific technical details of the CVE-2021-30760 vulnerability.
Vulnerability Description
The vulnerability involves an integer overflow that could be exploited through a malicious font file, potentially leading to arbitrary code execution.
Affected Systems and Versions
The following Apple products and versions are affected by CVE-2021-30760:
- Security Update - Catalina (<2021)
- iOS (<14.7)
- macOS Big Sur (<11.5)
- macOS (<2021)
- macOS (<14.7)
- macOS (<7.6)
Exploitation Mechanism
The exploitation of this vulnerability primarily occurs through the processing of a specifically crafted font file. Attackers could utilize this flaw to execute arbitrary code on vulnerable systems.
Mitigation and Prevention
To protect systems from CVE-2021-30760, immediate steps and long-term security practices need to be implemented.
Immediate Steps to Take
Users should update their Apple products to the latest versions, including iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-005 Mojave, and Security Update 2021-004 Catalina to mitigate the vulnerability.
Long-Term Security Practices
In the long term, practicing secure browsing habits, avoiding suspicious websites, and staying informed about software updates are crucial for maintaining system security.
Patching and Updates
Regularly applying security patches and updates released by Apple is essential to address known vulnerabilities and enhance overall system security.