CVE-2021-1109 : Exploit Details and Defense Strategies
Learn about CVE-2021-1109, a critical timing-related vulnerability in NVIDIA camera firmware that could lead to data integrity loss or denial of service. Find out how to mitigate the risk and protect affected systems.
A multistep, timing-related vulnerability in NVIDIA camera firmware could allow unauthorized modifications leading to data integrity loss or denial of service across multiple streams.
Understanding CVE-2021-1109
This CVE identifies a critical flaw in NVIDIA camera firmware that could be exploited to disrupt data integrity or cause denial of service.
What is CVE-2021-1109?
The vulnerability in NVIDIA camera firmware allows unauthorized modifications by camera resources, potentially resulting in data integrity loss or denial of service in various streams.
The Impact of CVE-2021-1109
The vulnerability poses a high risk with a CVSS base score of 7.2 (High), impacting the integrity and availability of the affected systems.
Technical Details of CVE-2021-1109
The technical details of CVE-2021-1109 highlight the specific aspects of the vulnerability.
Vulnerability Description
The vulnerability arises due to a multistep, timing-related issue in the NVIDIA camera firmware, enabling unauthorized modifications by camera resources.
Affected Systems and Versions
The vulnerability affects all Jetson Linux versions prior to r32.6.1 including Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX2 NX, Jetson Nano, Jetson Nano 2GB, Jetson TX1.
Exploitation Mechanism
Attackers with high privileges can exploit this vulnerability locally to disrupt data integrity or deny service across multiple streams.
Mitigation and Prevention
Understanding how to mitigate and prevent the CVE-2021-1109 vulnerability is crucial.
Immediate Steps to Take
To mitigate the risk, users are advised to update to Jetson Linux version r32.6.1 or later to prevent unauthorized modifications by camera resources.
Long-Term Security Practices
Maintaining up-to-date firmware and monitoring unauthorized modifications can enhance the security posture and prevent potential exploits.
Patching and Updates
Regularly applying security patches and updates from NVIDIA can help safeguard against known vulnerabilities and strengthen the overall security of the systems.