CVE-2021-1113 : Security Advisory and Response

NVIDIA camera firmware contains a vulnerability that allows a highly privileged attacker to modify camera resources, leading to denial of service and data integrity issues.

Understanding CVE-2021-1113

This CVE impacts a range of NVIDIA Jetson products, potentially exposing them to unauthorized resource modifications by attackers.

What is CVE-2021-1113?

The CVE-2021-1113 vulnerability in NVIDIA camera firmware allows attackers with high privileges to tamper with camera resources, causing potential denial of service and data integrity compromise.

The Impact of CVE-2021-1113

Exploitation of this vulnerability could result in a complete denial of service for all camera clients and partial loss of data integrity.

Technical Details of CVE-2021-1113

This section provides detailed information on the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability involves a difficult-to-exploit flaw in the NVIDIA camera firmware that enables unauthorized modifications to camera resources.

Affected Systems and Versions

All Jetson Linux versions prior to r32.6.1 are affected by this vulnerability, including Jetson AGX Xavier series, Jetson Xavier NX, Jetson TX2 series, Jetson TX2 NX, Jetson Nano, Jetson Nano 2GB, and Jetson TX1.

Exploitation Mechanism

Highly privileged attackers can exploit this vulnerability locally to manipulate camera resources, impacting the availability and integrity of the system.

Mitigation and Prevention

To safeguard systems against CVE-2021-1113, follow the preventive measures outlined below.

Immediate Steps to Take

Consider upgrading to Jetson Linux version r32.6.1 or higher to mitigate the vulnerability.
Implement proper access controls and monitor camera resources for unauthorized modifications.

Long-Term Security Practices

Regularly update camera firmware to patch known vulnerabilities and enhance security.
Conduct security assessments to identify and address any existing access control gaps.

Patching and Updates

Stay informed about security updates from NVIDIA and promptly apply patches to keep your systems secure.