NVD - CVE-2018-8356

CVE-2018-8356 Detail

Current Description

A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.

Source: MITRE
Description Last Modified: 07/10/2018
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 5.5 MEDIUM
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N (V3 legend)
Impact Score: 3.6
Exploitability Score: 1.8

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

CVSS v2.0 Severity and Metrics:

Base Score: 2.1 LOW
Vector: (AV:L/AC:L/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 3.9

Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.securityfocus.com/bid/104664	Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041257	Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356	Patch Vendor Advisory

Technical Details

Vulnerability Type (View All)

Improper Certificate Validation (CWE-295)

Vulnerable software and versions Switch to CPE 2.2

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

2 change records found - show changes

Initial Analysis - 9/10/2018 11:31:13 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:a:microsoft:.net_framework:3.0:sp2::::::* OR cpe:2.3:o:microsoft:windows_server_2008:-:sp2::::::
Added	CPE Configuration		AND OR cpe:2.3:a:microsoft:.net_framework:3.5.1::::::: OR cpe:2.3:o:microsoft:windows_7:-:sp1:::::: cpe:2.3:o:microsoft:windows_server_2008:r2:sp1::::::
Added	CPE Configuration		Record truncated, showing 500 of 701 characters. View Entire Change Record AND OR cpe:2.3:a:microsoft:.net_framework:3.5::::::: OR cpe:2.3:o:microsoft:windows_10:-:::::::* cpe:2.3:o:microsoft:windows_10:1607:::::::* cpe:2.3:o:microsoft:windows_10:1703:::::::* cpe:2.3:o:microsoft:windows_10:1709:::::::* cpe:2.3:o:microsoft:windows_10:1803:::::::* cpe:2.3:o:microsoft:windows_8.1:::::::: cpe:2.3:o:microsoft:windows_server:1803::::::
Added	CPE Configuration		Record truncated, showing 500 of 532 characters. View Entire Change Record AND OR cpe:2.3:a:microsoft:.net_framework:4.5.2::::::: OR cpe:2.3:o:microsoft:windows_7:-:sp1:::::: cpe:2.3:o:microsoft:windows_8.1:::::::: cpe:2.3:o:microsoft:windows_rt_8.1:-:::::::* cpe:2.3:o:microsoft:windows_server_2008::sp2::::::* cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:::::: cpe:2.3:o:microsoft:windows_server_2012:::::::: cpe:2.3:o:microsoft:wind
Added	CPE Configuration		AND OR cpe:2.3:a:microsoft:.net_framework:4.6.2::::::: cpe:2.3:a:microsoft:.net_framework:4.7::::::: cpe:2.3:a:microsoft:.net_framework:4.7.1::::::: cpe:2.3:a:microsoft:.net_framework:4.7.2::::::: OR cpe:2.3:o:microsoft:windows_10:1607:::::::* cpe:2.3:o:microsoft:windows_server_2016:-:::::::*
Added	CPE Configuration		Record truncated, showing 500 of 790 characters. View Entire Change Record AND OR cpe:2.3:a:microsoft:.net_framework:4.6::::::: cpe:2.3:a:microsoft:.net_framework:4.6.1::::::: cpe:2.3:a:microsoft:.net_framework:4.6.2::::::: cpe:2.3:a:microsoft:.net_framework:4.7::::::: cpe:2.3:a:microsoft:.net_framework:4.7.1::::::: cpe:2.3:a:microsoft:.net_framework:4.7.2::::::: OR cpe:2.3:o:microsoft:windows_7:-:sp1:::::: cpe:2.3:o:microsoft:
Added	CPE Configuration		AND OR cpe:2.3:a:microsoft:.net_framework:4.6::::::: cpe:2.3:a:microsoft:.net_framework:4.6.1::::::: cpe:2.3:a:microsoft:.net_framework:4.6.2::::::: OR cpe:2.3:o:microsoft:windows_10:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:a:microsoft:.net_framework:4.6::::::: OR cpe:2.3:o:microsoft:windows_server_2008::sp2::::::*
Added	CPE Configuration		AND OR cpe:2.3:a:microsoft:.net_framework:4.7.2::::::: OR cpe:2.3:o:microsoft:windows_10:1803:::::::* cpe:2.3:o:microsoft:windows_server:1803:::::::*
Added	CPE Configuration		OR cpe:2.3:a:microsoft:.net_core:1.0::::::: cpe:2.3:a:microsoft:.net_core:1.1::::::: cpe:2.3:a:microsoft:.net_core:2.0:::::::
Added	CPE Configuration		OR cpe:2.3:a:microsoft:.net_framework_developer_pack:4.7.2:::::::
Added	CPE Configuration		OR cpe:2.3:a:microsoft:asp.net_core:1.0::::::: cpe:2.3:a:microsoft:asp.net_core:1.1::::::: cpe:2.3:a:microsoft:asp.net_core:2.0:::::::
Added	CPE Configuration		OR cpe:2.3:a:microsoft:powershell_core:6.0::::::: cpe:2.3:a:microsoft:powershell_core:6.1:::::::
Added	CVSS V2		(AV:L/AC:L/Au:N/C:N/I:P/A:N)
Added	CVSS V3		AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Added	CWE		CWE-295
Changed	Reference Type	http://www.securityfocus.com/bid/104664 No Types Assigned	http://www.securityfocus.com/bid/104664 Third Party Advisory, VDB Entry
Changed	Reference Type	http://www.securitytracker.com/id/1041257 No Types Assigned	http://www.securitytracker.com/id/1041257 Third Party Advisory, VDB Entry
Changed	Reference Type	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356 No Types Assigned	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356 Patch, Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2018-8356
NVD Published Date:
07/10/2018
NVD Last Modified:
09/10/2018

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National Vulnerability Database