Main Vulnerability Database Vulnerabilities #VU15266

Security restrictions bypass in Microsoft Windows and Windows Server - CVE-2018-8320

Published: October 9, 2018

Vulnerability identifier: #VU15266

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-8320

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass certain security restrictions.

The vulnerability exists due to an error within the DNS Global Blocklist feature. A remote unauthenticated attacker can redirect traffic to a malicious endpoint.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2018-8320

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8320

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