CVE-2020-11487 : Vulnerability Insights and Analysis

NVIDIA DGX servers, DGX-1, DGX-2, and DGX A100 Servers with specific BMC firmware versions are vulnerable to information disclosure due to the use of a hard-coded RSA 1024 key with weak ciphers.

Understanding CVE-2020-11487

This CVE affects NVIDIA DGX Servers with certain BMC firmware versions.

What is CVE-2020-11487?

CVE-2020-11487 is a vulnerability found in the AMI BMC firmware of NVIDIA DGX servers, potentially leading to information disclosure.

The Impact of CVE-2020-11487

The vulnerability could allow attackers to access sensitive information due to the weak ciphers used in the hard-coded RSA 1024 key.

Technical Details of CVE-2020-11487

NVIDIA DGX servers are affected by this vulnerability due to specific BMC firmware versions.

Vulnerability Description

The vulnerability arises from the utilization of a hard-coded RSA 1024 key with weak ciphers in the AMI BMC firmware of NVIDIA DGX servers.

Affected Systems and Versions

All DGX-1 with BMC firmware versions prior to 3.38.30
All DGX-2 with BMC firmware versions prior to 1.06.06
All DGX A100 with all BMC firmware versions

Exploitation Mechanism

Attackers could exploit this vulnerability to potentially gain unauthorized access to sensitive information stored on the affected servers.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2020-11487.

Immediate Steps to Take

Update the BMC firmware of affected NVIDIA DGX servers to versions 3.38.30 for DGX-1, 1.06.06 for DGX-2, and the latest for DGX A100.
Monitor network traffic for any suspicious activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly review and update firmware and security patches on NVIDIA DGX servers to prevent future vulnerabilities.
Implement strong encryption protocols and access controls to enhance server security.

Patching and Updates

NVIDIA has released updated BMC firmware versions to address the vulnerability. Ensure timely installation of these patches to secure the servers against potential exploitation.