Improper Authentication in Microsoft Windows and Windows Server - CVE-2019-1384

 

Improper Authentication in Microsoft Windows and Windows Server - CVE-2019-1384

Published: November 13, 2019


Vulnerability identifier: #VU22718
CSH Severity: Medium
CVSS v4: 7.5 [CVSS:4.0/AV:A/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-1384
CWE-ID: CWE-287
Exploitation vector: Adjecent network
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to the NETLOGON message is able to obtain the session key and sign messages. A remote authenticated attacker can send a specially crafted authentication request, bypass authentication process and gain unauthorized access to another machine using the original user privileges.


Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2019-1384

Install updates from vendor's website.


External References

Related Security Bulletins