CVE-2018-3626 Explained : Impact and Mitigation

Intel SGX SDK versions before 2.1.2 (Linux) and 1.9.6 (Windows) are vulnerable to an information disclosure issue due to the Edger8r tool. This vulnerability could allow unauthorized access to sensitive data.

Understanding CVE-2018-3626

The vulnerability in the Intel SGX SDK could lead to a side channel attack, potentially enabling a local user to gain unauthorized access to information.

What is CVE-2018-3626?

The Edger8r tool in the Intel SGX SDK versions prior to 2.1.2 (Linux) and 1.9.6 (Windows) may generate code susceptible to a side channel attack, allowing unauthorized access to data.

The Impact of CVE-2018-3626

This vulnerability could result in a local user gaining unauthorized access to sensitive information, posing a risk of information disclosure.

Technical Details of CVE-2018-3626

The following technical details outline the specifics of the CVE-2018-3626 vulnerability:

Vulnerability Description

The Edger8r tool in the Intel SGX SDK versions before 2.1.2 (Linux) and 1.9.6 (Windows) could generate code vulnerable to a side channel attack, potentially leading to unauthorized data access.

Affected Systems and Versions

Product: SGX SDK
Vendor: Intel Corporation
Versions Affected: Before version 2.1.2 (Linux) and 1.9.6 (Windows)

Exploitation Mechanism

The vulnerability arises from the generation of code by the Edger8r tool, making it susceptible to a side channel attack, which could be exploited by a local user to access unauthorized information.

Mitigation and Prevention

To address CVE-2018-3626 and enhance security measures, consider the following steps:

Immediate Steps to Take

Update the Intel SGX SDK to versions 2.1.2 (Linux) and 1.9.6 (Windows) or later.
Monitor for any unauthorized access or unusual activities on affected systems.

Long-Term Security Practices

Regularly review and apply security patches and updates for all software components.
Implement access controls and least privilege principles to restrict unauthorized access to sensitive data.

Patching and Updates

Stay informed about security advisories from Intel Corporation and apply patches promptly to mitigate known vulnerabilities.