CVE-2018-6248 : Security Advisory and Response
Learn about CVE-2018-6248, a vulnerability in NVIDIA Windows GPU Display Driver that could lead to denial of service or privilege escalation. Find out how to mitigate this security risk.
NVIDIA Windows GPU Display Driver contains a vulnerability in the kernel mode layer handler for DxgkDdiEscape function that could lead to denial of service or potential privilege escalation.
Understanding CVE-2018-6248
This CVE identifies a flaw in the NVIDIA Windows GPU Display Driver that could be exploited for denial of service attacks or privilege escalation.
What is CVE-2018-6248?
The vulnerability in the NVIDIA Windows GPU Display Driver occurs due to incorrect length values used during sequential read or write operations on a buffer, leading to accessing memory beyond buffer boundaries.
The Impact of CVE-2018-6248
The exploitation of this vulnerability could result in denial of service or potential privilege escalation on affected systems.
Technical Details of CVE-2018-6248
The technical aspects of the CVE-2018-6248 vulnerability are as follows:
Vulnerability Description
The flaw in the NVIDIA Windows GPU Display Driver's kernel mode layer handler for DxgkDdiEscape function allows unauthorized access to memory beyond buffer limits, potentially causing denial of service or privilege escalation.
Affected Systems and Versions
- Product: GPU Display Driver
- Vendor: Nvidia Corporation
- Versions: All
Exploitation Mechanism
The vulnerability is exploited when the software performs sequential read or write operations on a buffer with incorrect length values, allowing access to memory outside the buffer boundaries.
Mitigation and Prevention
To address CVE-2018-6248, consider the following mitigation strategies:
Immediate Steps to Take
- Apply vendor-supplied patches promptly
- Monitor vendor communications for updates and advisories
- Implement least privilege access controls
Long-Term Security Practices
- Regularly update and patch software and drivers
- Conduct security assessments and audits
- Educate users on safe computing practices
Patching and Updates
Ensure timely installation of patches and updates provided by Nvidia Corporation to mitigate the vulnerability effectively.