CVE-2021-34398 : Security Advisory and Response
NVIDIA DCGM versions prior to 2.2.9 are affected by CVE-2021-34398, allowing users to inject shared libraries into the server, leading to privilege escalation and severe security risks. Learn how to mitigate this vulnerability.
NVIDIA Data Center GPU Manager (DCGM) versions prior to 2.2.9 have a vulnerability in the DIAG module that can allow users to inject shared libraries into the DCGM server, potentially leading to privilege escalation, confidentiality and integrity loss, and denial of service.
Understanding CVE-2021-34398
This CVE affects NVIDIA Data Center GPU Manager (DCGM) with versions earlier than 2.2.9.
What is CVE-2021-34398?
CVE-2021-34398 is a vulnerability found in the DIAG module of NVIDIA DCGM, allowing users to insert shared libraries into the server, leading to severe consequences such as privilege escalation, data loss, and denial of service.
The Impact of CVE-2021-34398
The impact of this CVE is rated as high, with a CVSS base score of 7.8. It can result in a compromise of confidentiality, integrity, and availability, posing significant risks to affected systems.
Technical Details of CVE-2021-34398
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability in NVIDIA DCGM versions prior to 2.2.9 allows any user to inject shared libraries into the server, potentially resulting in privilege escalation, loss of confidentiality, integrity, and denial of service.
Affected Systems and Versions
Systems running NVIDIA DCGM versions earlier than 2.2.9 are affected by this vulnerability.
Exploitation Mechanism
The vulnerability allows users to inject shared libraries into the DCGM server, typically running with root privileges, enabling malicious actors to exploit the system.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-34398, it is crucial to take immediate steps and implement long-term security practices.
Immediate Steps to Take
Update to NVIDIA DCGM version 2.2.9 or above to address the vulnerability and prevent potential exploitation. Ensure strict access control policies are in place to limit unauthorized access.
Long-Term Security Practices
Regularly monitor for security updates and patches provided by NVIDIA. Conduct security assessments and audits to identify and remediate any vulnerabilities that may exist within the system.
Patching and Updates
Apply security patches promptly and stay informed about security best practices to strengthen the overall security posture of NVIDIA DCGM.