Privilege escalation in Windows and Windows Server - CVE-2018-8411
Published: October 9, 2018 / Updated: October 16, 2018
Vulnerability identifier: #VU15271
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-8411
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
The vulnerability allows a local attacker to gain elevated privileges on the target system.
The vulnerability exists due to the FSCTL_FIND_FILES_BY_SID control code within NTFS filesystem improperly checks for access permissions to list a directory, when Quotas are configured. A local unprivileged user can run a specially crafted application and gain elevated privileges on the system.
How to mitigate CVE-2018-8411
Install updates from vendor's website.