Learn about CVE-2018-12182, a security flaw in EDK II's SMM service allowing privilege escalation, information disclosure, or denial of service. Find mitigation steps here.
A potential security vulnerability has been identified in the SMM service for EDK II, related to the insufficient memory write check. This vulnerability could be exploited by an authenticated user with local access to potentially gain escalated privileges, disclose sensitive information, or cause a denial of service.
Understanding CVE-2018-12182
This CVE involves an insufficient memory write check in the SMM service for EDK II, potentially leading to privilege escalation, information disclosure, or denial of service.
What is CVE-2018-12182?
CVE-2018-12182 is a security vulnerability in the Extensible Firmware Interface Development Kit (EDK II) related to a lack of proper memory write checks in the SMM service, allowing an authenticated local user to exploit the issue.
The Impact of CVE-2018-12182
The vulnerability could enable an attacker to escalate privileges, access sensitive data, or disrupt services on affected systems, posing a significant security risk.
Technical Details of CVE-2018-12182
This section provides detailed technical information about the CVE-2018-12182 vulnerability.
Vulnerability Description
The vulnerability in the SMM service for EDK II arises from an insufficient memory write check, which could be leveraged by an authenticated local user to carry out various malicious activities.
Affected Systems and Versions
Exploitation Mechanism
The vulnerability can be exploited by an authenticated user with local access to the system, allowing them to gain escalated privileges, disclose sensitive information, or disrupt services.
Mitigation and Prevention
Protecting systems from CVE-2018-12182 requires immediate actions and long-term security practices.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Regularly check for security advisories and updates from the vendor to patch known vulnerabilities and enhance system security.