CVE-2021-0186 Explained : Impact and Mitigation

Intel(R) SGX SDK applications compiled for SGX2 enabled processors are affected by an improper input validation vulnerability. This flaw may allow a privileged user to potentially escalate privileges via local access.

Understanding CVE-2021-0186

This CVE identifies a security issue in Intel(R) SGX SDK applications compiled for SGX2 enabled processors.

What is CVE-2021-0186?

The vulnerability involves improper input validation in the affected Intel(R) SGX SDK applications, posing a risk of privilege escalation for a privileged user through local access.

The Impact of CVE-2021-0186

The impact of this CVE is the potential escalation of privileges for an attacker with local access to the system, which could lead to unauthorized operations.

Technical Details of CVE-2021-0186

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from improper input validation in Intel(R) SGX SDK applications compiled for SGX2 enabled processors, enabling a privileged user to escalate privileges.

Affected Systems and Versions

Affected systems are those running Intel(R) SGX SDK applications compiled for SGX2 enabled processors. The affected versions can be found in the references.

Exploitation Mechanism

The exploitation of this vulnerability requires a privileged user to leverage local access to the system for potential privilege escalation.

Mitigation and Prevention

Learn how to mitigate the impacts of CVE-2021-0186.

Immediate Steps to Take

Immediate steps include monitoring for security advisories from Intel and applying recommended patches promptly.

Long-Term Security Practices

Implementing robust security practices, such as regular security updates and access control measures, can enhance the overall security posture.

Patching and Updates

Regularly check Intel's security advisories for patches related to CVE-2021-0186 and apply them as soon as they are available.