Privilege escalation in Windows and Windows Server - CVE-2018-8343

 

Privilege escalation in Windows and Windows Server - CVE-2018-8343

Published: August 14, 2018 / Updated: August 14, 2018


Vulnerability identifier: #VU14402
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-2018-8343
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local attacker to gain elevated privileges on the target system.

The vulnerability exists in the Network Driver Interface Specification (NDIS) due to ndis.sys fails to check the length of a buffer prior to copying memory to it. A local attacker can run a specially crafted application and trigger memory corruption to gain SYSTEM privileges.


How to mitigate CVE-2018-8343

Install updates from vendor's website.

Sources