CVE-2021-1757 : Vulnerability Insights and Analysis
Learn about CVE-2021-1757, an out-of-bounds read vulnerability affecting iOS, iPadOS, macOS, watchOS, and tvOS. Find out the impact, affected systems, and mitigation steps.
This CVE-2021-1757 article provides detailed information about an out-of-bounds read vulnerability affecting Apple products.
Understanding CVE-2021-1757
This vulnerability involves an out-of-bounds read that has been addressed with improved bounds checking. It impacts various Apple products such as iOS, iPadOS, macOS, watchOS, and tvOS.
What is CVE-2021-1757?
CVE-2021-1757 is an out-of-bounds read vulnerability that could allow a local attacker to elevate their privileges on affected Apple devices.
The Impact of CVE-2021-1757
The vulnerability poses a security risk as a local attacker could potentially exploit it to escalate their privileges on the system, leading to unauthorized access and potential data breaches.
Technical Details of CVE-2021-1757
This section provides insights into the vulnerability description, affected systems, and how the exploitation can occur.
Vulnerability Description
The vulnerability involves an out-of-bounds read, which has been patched in macOS Big Sur 11.2, Security Update 2021-001 for Catalina and Mojave, watchOS 7.3, tvOS 14.4, iOS 14.4, and iPadOS 14.4.
Affected Systems and Versions
Apple products affected include iOS, iPadOS, and various versions of macOS with versions less than 11.2, 7.3, and 14.4.
Exploitation Mechanism
A local attacker can exploit this vulnerability to gain elevated privileges on the affected Apple systems.
Mitigation and Prevention
In this section, we discuss immediate steps to take and long-term security practices to mitigate the risks associated with CVE-2021-1757.
Immediate Steps to Take
Users are advised to apply the relevant security updates provided by Apple to address this vulnerability.
Long-Term Security Practices
Implementing robust security measures, such as regular software updates, strong access controls, and user awareness training, can enhance the overall security posture.
Patching and Updates
Installing the latest security patches and updates from Apple is crucial to protect devices from known vulnerabilities.