CVE-2017-6256 Explained : Impact and Mitigation
Learn about CVE-2017-6256 affecting Nvidia Windows GPU Display Driver. Find out how this vulnerability can lead to denial of service or privilege escalation and steps to mitigate the risk.
NVIDIA Windows GPU Display Driver contains a vulnerability in the kernel mode layer (nvlddmkm.sys) handler for DxgkDdiEscape, potentially leading to denial of service or privilege escalation.
Understanding CVE-2017-6256
What is CVE-2017-6256?
This CVE identifies a vulnerability in the Nvidia Windows GPU Display Driver's kernel mode layer where user-provided values are not properly validated, potentially resulting in denial of service or privilege escalation.
The Impact of CVE-2017-6256
The vulnerability could allow attackers to cause a denial of service or potentially escalate privileges on affected systems.
Technical Details of CVE-2017-6256
Vulnerability Description
The vulnerability in the Nvidia Windows GPU Display Driver occurs when user-provided values are not correctly validated and are used as an index to an array, posing a risk of denial of service or privilege escalation.
Affected Systems and Versions
- Product: NVIDIA Windows GPU Display Driver
- Vendor: Nvidia Corporation
- Versions: All
Exploitation Mechanism
The vulnerability arises from improper validation of user-provided values, which are subsequently used as array indices, potentially leading to denial of service or privilege escalation.
Mitigation and Prevention
Immediate Steps to Take
- Apply security patches provided by Nvidia promptly.
- Monitor Nvidia's security advisories for updates and follow recommended actions.
Long-Term Security Practices
- Regularly update the Nvidia Windows GPU Display Driver to the latest version.
- Implement robust security measures to prevent unauthorized access to systems.
Patching and Updates
Ensure that all systems running the affected Nvidia Windows GPU Display Driver are updated with the latest patches to mitigate the vulnerability.