Windows Hard Link in NVIDIA Windows GPU Display Driver - CVE-2019-5683

 

Windows Hard Link in NVIDIA Windows GPU Display Driver - CVE-2019-5683

Published: August 8, 2019


Vulnerability identifier: #VU19991
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-5683
CWE-ID: CWE-65
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: nVidia
Affected software:
NVIDIA Windows GPU Display Driver

Detailed vulnerability description

The vulnerability allows a local attacker to cause the software to operate on unauthorized files.

The vulnerability exists due to the usage of hard link in the user mode video driver trace logger component. A local authenticated attacker with the access to the system can create a hard link, the software does not check for hard link attacks.

This behavior may lead to code execution, denial of service, or escalation of privileges.

How to mitigate CVE-2019-5683

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources