CVE-2021-1088 : Security Advisory and Response
Learn about CVE-2021-1088 affecting NVIDIA GPU and Tegra hardware. Understand the impact, affected systems, and mitigation steps against this security vulnerability.
NVIDIA GPU and Tegra hardware contain a vulnerability in the internal microcontroller that could be exploited by a user with elevated privileges. This could potentially lead to unauthorized access through debug mechanisms and result in sensitive information disclosure.
Understanding CVE-2021-1088
This section delves into the specifics of the CVE-2021-1088 vulnerability affecting NVIDIA GPU and Tegra hardware.
What is CVE-2021-1088?
CVE-2021-1088 pertains to a security flaw found in NVIDIA GPU and Tegra hardware's internal microcontroller. It enables users with heightened privileges to exploit debug features with inadequate access control, consequently exposing sensitive information.
The Impact of CVE-2021-1088
The vulnerability's impact is rated as medium severity, with a CVSS base score of 4.1. Although the integrity impact is none, the confidentiality impact is high, highlighting the potential risk of information leakage.
Technical Details of CVE-2021-1088
Let's explore the technical aspects of CVE-2021-1088 in detail.
Vulnerability Description
The vulnerability arises from insufficient access control on debug mechanisms within the internal microcontroller of NVIDIA GPU and Tegra hardware. This flaw may be leveraged to disclose sensitive information.
Affected Systems and Versions
Systems utilizing NVIDIA GPU and Tegra hardware versions Turing, Volta, Pascal, Maxwell, Tegra X1, Tegra X1+, Tegra TX2, and Xavier are impacted by CVE-2021-1088.
Exploitation Mechanism
Attackers with elevated privileges could potentially exploit this vulnerability by utilizing debug mechanisms without proper access control, leading to the disclosure of confidential data.
Mitigation and Prevention
Discover the measures to mitigate the risks associated with CVE-2021-1088.
Immediate Steps to Take
Users are advised to apply security patches released by NVIDIA promptly to remediate CVE-2021-1088. It is crucial to restrict access to debug mechanisms to authorized personnel only.
Long-Term Security Practices
Implementing robust access control mechanisms and periodic security assessments can enhance the overall security posture of systems utilizing NVIDIA GPU and Tegra hardware.
Patching and Updates
Regularly monitor and apply security updates provided by NVIDIA to address vulnerabilities promptly.