Executive Summary

Title Security Update for Local Security Authority Subsystem Service (3216771)
Name MS17-004 First vendor Publication 2017-01-10
Vendor Microsoft Last vendor Modification 2017-01-10
Severity (Vendor) N/A Revision 1.0

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 7.8 Attack Range Network
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores


Severity Rating: Important
Revision Note: V1.0 (January 10, 2017): Bulletin Published
Summary: A denial of service vulnerability exists in the way the Local Security Authority Subsystem Service (LSASS) handles authentication requests. An attacker who successfully exploited the vulnerability could cause a denial of service on the target system's LSASS service, which triggers an automatic reboot of the system.

Original Source

Url : https://technet.microsoft.com/en-us/library/security/MS17-004

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-20 Improper Input Validation

CPE : Common Platform Enumeration

Os 1
Os 2
Os 1

Snort® IPS/IDS

Date Description
2016-12-13 Microsoft Windows LSASS GSS-API DER decoding null pointer dereference attempt
RuleID : 40759 - Revision : 3 - Type : OS-WINDOWS

Nessus® Vulnerability Scanner

Date Description
2017-01-10 Name : The remote Windows host is affected multiple vulnerabilities.
File : smb_nt_ms17-004.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2017-01-11 21:25:06
  • Multiple Updates
2017-01-11 13:25:28
  • Multiple Updates
2017-01-11 05:25:12
  • Multiple Updates
2017-01-10 21:23:57
  • Multiple Updates
2017-01-10 21:17:38
  • First insertion