CVE-2021-1120 : What You Need to Know
Learn about CVE-2021-1120 affecting NVIDIA Virtual GPU Software. Discover the impact, technical details, affected versions, and mitigation steps for this vulnerability.
NVIDIA vGPU software has been found to contain a vulnerability in the Virtual GPU Manager (vGPU plugin) that could potentially lead to various security risks and impacts.
Understanding CVE-2021-1120
This section will provide an in-depth look into the nature of the vulnerability and its potential consequences.
What is CVE-2021-1120?
The CVE-2021-1120 vulnerability in NVIDIA Virtual GPU Software arises from improper null termination in the vGPU plugin. This flaw could be exploited by an attacker to cause information disclosure, data manipulation, unauthorized code execution, and denial of service.
The Impact of CVE-2021-1120
The vulnerability poses a high risk with a CVSS base score of 7, indicating potential high impact on confidentiality, integrity, and availability of affected systems. The attack complexity is considered high with low privileges required.
Technical Details of CVE-2021-1120
In this section, we will delve into the technical aspects of the CVE-2021-1120 vulnerability.
Vulnerability Description
The vulnerability stems from a failure to properly null terminate a string provided by the guest OS in the Virtual GPU Manager. This oversight may allow attackers to exploit the system for malicious purposes.
Affected Systems and Versions
NVIDIA Virtual GPU Software versions 13.x (prior to 13.1), 12.x (prior to 12.4), 11.x (prior to 11.6), and 8.x (prior to 8.9) are impacted by this vulnerability.
Exploitation Mechanism
Although the guest OS or attacker cannot directly send content through this vulnerability, they can potentially carry out attacks leading to varied consequences.
Mitigation and Prevention
To safeguard systems against CVE-2021-1120, immediate actions and long-term security practices need to be implemented.
Immediate Steps to Take
It is crucial to apply patches and security updates provided by NVIDIA promptly. Additionally, system administrators should monitor for any unusual activities that could indicate exploitation.
Long-Term Security Practices
Implementing security best practices, such as network segmentation, principle of least privilege, and regular security audits, can help enhance the overall security posture of the system.
Patching and Updates
Regularly checking for updates and patches released by NVIDIA and promptly applying them is essential to mitigate the risk posed by this vulnerability.