Main Vulnerability Database Vulnerabilities #VU14781

Input validation error in Microsoft Windows and Windows Server - CVE-2018-8335

Published: September 13, 2018

Vulnerability identifier: #VU14781

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-8335

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input when processing SMB requests. A remote non-authenticated attacker can send a specially crafted SMB request to the affected system and make the system to stop accepting further SMB requests, triggering a denial of service condition.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2018-8335

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8335

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