Learn about CVE-2021-30902, a critical security vulnerability in Apple iOS and iPadOS, allowing local attackers to cause application termination or code execution. Find mitigation steps here.
A informative and detailed article about CVE-2021-30902 that addresses a use after free issue in iOS and iPadOS systems by Apple.
Understanding CVE-2021-30902
CVE-2021-30902 is a security vulnerability that involves a use after free issue in iOS and iPadOS systems, which has been addressed by Apple through improved memory management.
What is CVE-2021-30902?
CVE-2021-30902 is a vulnerability in iOS and iPadOS systems that could allow a local attacker to cause unexpected application termination or execute arbitrary code. The issue has been fixed in iOS 14.8.1 and iPadOS 14.8.1, as well as iOS 15.1 and iPadOS 15.1.
The Impact of CVE-2021-30902
The impact of this vulnerability is critical as it could lead to unexpected application terminations or unauthorized code execution, potentially compromising the security and integrity of the affected systems.
Technical Details of CVE-2021-30902
CVE-2021-30902 involves a use after free issue in iOS and iPadOS systems, affecting versions less than 14.8 and 15.1. Below are some technical details:
Vulnerability Description
The vulnerability arises from inadequate memory management in iOS and iPadOS, allowing a local attacker to exploit this issue.
Affected Systems and Versions
The vulnerability affects versions less than 14.8 and 15.1 of iOS and iPadOS systems.
Exploitation Mechanism
A local attacker can exploit this vulnerability to trigger unexpected application termination or execute malicious code on the affected devices.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-30902, the following steps can be taken:
Immediate Steps to Take
Users are advised to update their iOS and iPadOS systems to the patched versions 14.8.1, 15.1, or newer to prevent exploitation of this vulnerability.
Long-Term Security Practices
Implementing proper security measures, such as regular software updates, security patches, and access controls, can enhance the overall security posture of the systems.
Patching and Updates
Regularly check for software updates and security advisories from Apple to ensure that the systems are up to date with the latest patches and fixes.