Discover the impact of CVE-2021-30907, an integer overflow vulnerability in iOS, iPadOS, and macOS that may allow a malicious application to escalate privileges. Learn about affected systems and mitigation steps.
An integer overflow vulnerability, identified as CVE-2021-30907, has been discovered and addressed by Apple through enhanced input validation.
Understanding CVE-2021-30907
This CVE impacts various Apple products, including iOS, iPadOS, and macOS, potentially allowing a malicious application to escalate privileges.
What is CVE-2021-30907?
The vulnerability is due to an integer overflow that could be exploited by a malicious application to gain elevated privileges on the affected systems.
The Impact of CVE-2021-30907
If exploited, the vulnerability could enable unauthorized privilege elevation, posing a significant security risk to users of iOS, iPadOS, and macOS devices.
Technical Details of CVE-2021-30907
The vulnerability affects several versions of iOS, iPadOS, and macOS, where input validation has been improved to prevent this security issue.
Vulnerability Description
An integer overflow vulnerability has been mitigated through enhanced input validation measures on iOS, iPadOS, and macOS.
Affected Systems and Versions
The impacted versions include iOS and iPadOS versions less than 15.1 and 14.8, as well as macOS versions less than 12.0, 2021, 11.6, 8.1, and 15.1.
Exploitation Mechanism
A malicious application could exploit the integer overflow vulnerability to potentially elevate its privileges on the affected Apple devices.
Mitigation and Prevention
Apple has released patches and updates to address CVE-2021-30907, reducing the risk of exploitation and unauthorized privilege escalation.
Immediate Steps to Take
Users are advised to update their iOS, iPadOS, and macOS devices to the latest versions to mitigate the vulnerability.
Long-Term Security Practices
Practicing good security hygiene, such as avoiding suspicious applications and regularly updating software, can reduce the risk of such vulnerabilities being exploited.
Patching and Updates
Ensuring that devices are updated with the latest security patches from Apple is crucial to protect against CVE-2021-30907 and other known vulnerabilities.