CVE-2020-12377 : Vulnerability Insights and Analysis
Learn about CVE-2020-12377, a vulnerability in Intel(R) Server Boards, Server Systems, and Compute Modules before version 2.47, enabling privilege escalation for authenticated users.
This CVE involves insufficient input validation in the BMC firmware for certain Intel(R) Server Boards, Server Systems, and Compute Modules before version 2.47, potentially enabling privilege escalation for authenticated users via local access.
Understanding CVE-2020-12377
This vulnerability allows authenticated users to potentially escalate their privileges through the BMC firmware of specific Intel server products.
What is CVE-2020-12377?
Insufficient input validation in the BMC firmware of Intel server products before version 2.47 may lead to privilege escalation for authenticated users with local access.
The Impact of CVE-2020-12377
The vulnerability could allow an attacker to gain escalated privileges on affected Intel server systems, posing a risk of unauthorized access and control.
Technical Details of CVE-2020-12377
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The flaw lies in the BMC firmware of Intel(R) Server Boards, Server Systems, and Compute Modules, where insufficient input validation could be exploited for privilege escalation.
Affected Systems and Versions
- Product: Intel(R) Server Boards, Server Systems, and Compute Modules
- Versions Affected: Before version 2.47
Exploitation Mechanism
An authenticated user with local access could exploit the lack of input validation in the BMC firmware to escalate their privileges on the affected Intel server products.
Mitigation and Prevention
Protecting systems from this vulnerability requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the BMC firmware to version 2.47 or newer to mitigate the vulnerability.
- Monitor and restrict access to the BMC interface to authorized personnel only.
Long-Term Security Practices
- Regularly update firmware and software to patch known vulnerabilities.
- Implement network segmentation to limit the impact of potential breaches.
Patching and Updates
Ensure timely installation of security patches and updates to address vulnerabilities like CVE-2020-12377.