Vulnerability CVE-2019-0972 - CERT Civis.Net

Vulnerability Name:

CVE-2019-0972 (CCN-161932)

Assigned:

2018-11-26

Published:

2019-06-11

Updated:

2020-08-24

Summary:

This security update corrects a denial of service in the Local Security Authority Subsystem Service (LSASS) caused when an authenticated attacker sends a specially crafted authentication request, aka 'Local Security Authority Subsystem Service Denial of Service Vulnerability'.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

6.8 Medium (CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

6.8 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2019-0972

Source: XF
Type: UNKNOWN
ms-local-cve20190972-dos(161932)

Source: CCN
Type: Microsoft Security TechCenter - June 2019
Local Security Authority Subsystem Service Denial of Service Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0972

Vulnerable Configuration:

Configuration 1:

cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1703:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1803:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1809:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:1903:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_8.1:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_1803:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_1903:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:itanium:*

OR cpe:/o:microsoft:windows_7:-:sp1:-:*:-:-:x32:*

OR cpe:/o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*

OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_8.1:-:-:-:*:-:-:x32:*

OR cpe:/o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*

OR cpe:/o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*

OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server:1709:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*

OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:arm64:*

Denotes that component is vulnerable