NetSight
high8.5Public exploit code

CVE-2019-1019

A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages.

Public exploit code

Working exploit or proof of concept code has been published for this vulnerability. Treat unpatched systems as at risk.

Impact

A security feature bypass vulnerability exists where a NETLOGON message is able to obtain the session key and sign messages. To exploit this vulnerability, an attacker could send a specially crafted authentication request. An attacker who successfully exploited this vulnerability could access another machine using the original user privileges. The issue has been addressed by changing how NTLM validates network authentication messages.

Affected products

VendorProductAffected versions
MicrosoftWindows 10
All versions
Versions 1607, 1703, 1709, 1803, 1809
MicrosoftWindows 7
All versions
MicrosoftWindows 8.1
All versions
MicrosoftWindows Rt 8.1
All versions
MicrosoftWindows Server 2008
All versions
Version r2
MicrosoftWindows Server 2012
All versions
Version r2
MicrosoftWindows Server 2016
All versions
Versions 1803, 1903
MicrosoftWindows Server 2019
All versions

Weakness classification

References