CVE-2018-3640 : What You Need to Know
Learn about CVE-2018-3640, a vulnerability affecting Intel microprocessors, allowing unauthorized disclosure of system parameters. Find mitigation steps and security practices to prevent exploitation.
CVE-2018-3640 was published on May 21, 2018, by Intel Corporation. It involves the unlicensed exposure of system parameters to hackers with local user access, affecting multiple versions of Intel microprocessors.
Understanding CVE-2018-3640
What is CVE-2018-3640?
This vulnerability, known as Rogue System Register Read (RSRE), Variant 3a, occurs in systems utilizing speculative execution, allowing unauthorized disclosure of system parameters through side-channel analysis.
The Impact of CVE-2018-3640
The vulnerability can lead to information disclosure, potentially compromising system security and confidentiality.
Technical Details of CVE-2018-3640
Vulnerability Description
Systems with speculative execution and speculative reads of system registers may expose system parameters to attackers with local user access.
Affected Systems and Versions
- Vendor: Intel Corporation
- Affected Versions: Multiple
Exploitation Mechanism
The vulnerability can be exploited through side-channel analysis, enabling unauthorized access to system parameters.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Intel and other relevant vendors.
- Implement secure coding practices to mitigate the risk of information disclosure.
Long-Term Security Practices
- Regularly update system firmware and software to address security vulnerabilities.
- Monitor security advisories from vendors and apply recommended security measures.
Patching and Updates
- Stay informed about security updates and advisories from Intel and other relevant vendors.