CVE-2020-12376 Explained : Impact and Mitigation
Learn about CVE-2020-12376, a vulnerability in Intel(R) Server Boards, Server Systems, and Compute Modules before version 2.47, allowing information disclosure via a hard-coded key.
This CVE involves the use of a hard-coded key in the BMC firmware for certain Intel(R) Server Boards, Server Systems, and Compute Modules before version 2.47, potentially leading to information disclosure through local access.
Understanding CVE-2020-12376
This vulnerability allows an authenticated user to exploit a hard-coded key in the BMC firmware, potentially enabling information disclosure.
What is CVE-2020-12376?
The vulnerability arises from a hard-coded key in the BMC firmware of specific Intel(R) Server Boards, Server Systems, and Compute Modules before version 2.47, which could be abused by an authenticated user to disclose information locally.
The Impact of CVE-2020-12376
The exploitation of this vulnerability may result in unauthorized access to sensitive information stored on the affected systems.
Technical Details of CVE-2020-12376
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability stems from the presence of a hard-coded key in the BMC firmware of certain Intel(R) Server Boards, Server Systems, and Compute Modules.
Affected Systems and Versions
- Product: Intel(R) Server Boards, Server Systems, and Compute Modules
- Vendor: n/a
- Versions Affected: Before version 2.47
Exploitation Mechanism
An authenticated user can exploit the hard-coded key in the BMC firmware to potentially enable information disclosure via local access.
Mitigation and Prevention
To address CVE-2020-12376, follow these mitigation strategies:
Immediate Steps to Take
- Update the firmware to version 2.47 or later to eliminate the hard-coded key vulnerability.
- Restrict physical access to the affected systems to prevent unauthorized local exploitation.
Long-Term Security Practices
- Regularly monitor and audit system access to detect any unauthorized activities.
- Implement strong authentication mechanisms to control user access and permissions.
Patching and Updates
- Apply security patches and updates provided by Intel to address known vulnerabilities and enhance system security.