CVE-2021-1079 : Exploit Details and Defense Strategies

NVIDIA GeForce Experience Software prior to version 3.22 is affected by a vulnerability in GameStream plugins allowing log files creation with NT/System level permissions, leading to potential code execution, denial of service, or local privilege escalation.

Understanding CVE-2021-1079

This section provides detailed insights into the CVE-2021-1079 vulnerability.

What is CVE-2021-1079?

CVE-2021-1079 is a security flaw in NVIDIA GeForce Experience Software versions before 3.22, enabling the creation of log files with elevated permissions, allowing attackers to execute arbitrary code, disrupt services, or escalate privileges.

The Impact of CVE-2021-1079

The vulnerability poses a medium severity risk with a CVSS base score of 6.1, with potential consequences including code execution, denial of service attacks, or local privilege escalation, although confidentiality impact is minimal.

Technical Details of CVE-2021-1079

This section covers the technical aspects of CVE-2021-1079.

Vulnerability Description

The vulnerability arises from the improper creation of log files by GameStream plugins, potentially exploited for malicious code execution, denial of service, or privilege escalation.

Affected Systems and Versions

All versions of NVIDIA GeForce Experience Software before 3.22 are susceptible to this vulnerability.

Exploitation Mechanism

Attackers leverage the NT/System level permission log file creation to execute unauthorized code, disrupt service availability, or elevate local privileges.

Mitigation and Prevention

Implementing immediate steps and long-term security practices can help mitigate the risks posed by CVE-2021-1079.

Immediate Steps to Take

Update NVIDIA GeForce Experience Software to version 3.22 or above to patch the vulnerability.
Monitor system logs for any suspicious activities related to unauthorized code execution.

Long-Term Security Practices

Regularly update software versions to mitigate known vulnerabilities.
Enforce least privilege access to limit the impact of potential security breaches.

Patching and Updates

Stay informed about security updates from NVIDIA and apply patches promptly to protect systems from emerging threats.