PT-2018-1490 · Microsoft · Windows 10 Servers+4

Published 2018-08-14 · Updated 2019-10-03 · CVE-2018-8347

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Microsoft Windows versions prior to the fixed version Windows Server 2016 Windows 10 Windows 10 Servers

Description The issue is related to errors in data processing in the Windows kernel, which can be exploited by an attacker to elevate their privileges using a specially crafted application. This is due to the Windows kernel's failure to properly handle parsing of certain symbolic links.

Recommendations For Windows Server 2016, update to a version that includes the fix for this issue. For Windows 10, update to a version that includes the fix for this issue. For Windows 10 Servers, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the Windows kernel to minimize the risk of exploitation.

Fix

Weakness Enumeration

CWE-19

Related Identifiers

BDU:2018-01041

CVE-2018-8347

Affected Products

Windows

Windows 10

Windows 10 Servers

Windows Server 2016

Windows Kernel

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2018-8347 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8347 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2018-8347 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-8347 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8347 · Security Note
• https://bdu.fstec.ru/vul/2018-01041 · Security Note
• https://support.microsoft.com/help/4343887 · Note
• http://securityfocus.com/bid/104988 · Note