Vulnerability CVE-2019-1142 - CERT Civis.Net

Vulnerability Name:

CVE-2019-1142 (CCN-166072)

Assigned:

2018-11-26

Published:

2019-09-10

Updated:

2020-08-24

Summary:

An elevation of privilege vulnerability exists when the .NET Framework common language runtime (CLR) allows file creation in arbitrary locations, aka '.NET Framework Elevation of Privilege Vulnerability'.

CVSS v3 Severity:

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

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

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

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

CVSS v2 Severity:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)

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

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

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

Vulnerability Type:

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2019-1142

Source: XF
Type: UNKNOWN
ms-dotnet-cve20191142-priv-esc(166072)

Source: CCN
Type: Microsoft Security TechCenter - September 2019
.NET Framework Elevation of Privilege Vulnerability

Source: MISC
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1142

Vulnerable Configuration:

Configuration 1:

cpe:/a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*

AND

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_8.1:-:*:*:*:*:*:*:*

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

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

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

Configuration 2:

cpe:/a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*

AND

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

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

Configuration 3:

cpe:/a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*

AND

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

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

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

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

Configuration 4:

cpe:/a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*

AND

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_8.1:-:*:*:*:*:*:*:*

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

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:*

Configuration 5:

cpe:/a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*

AND

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

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

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

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

Configuration 6:

cpe:/a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*

AND

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

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

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

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

Configuration CCN 1:

cpe:/a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*

OR cpe:/a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*

AND

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:*:*:*:*:*:*:x64:*

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

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

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

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

Denotes that component is vulnerable