CVE-2018-8356

Medium

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.

SeverityMedium

CVSS5.5

Exploit probability—

Product

Microsoft .net Framework

PublishedJul 11, 2018

First seenJul 11, 2018

How to fix

Update

System.Private.ServiceModel4.1.3, 4.3.3, 4.4.4, 4.5.3 or later
System.ServiceModel.Duplex4.3.3, 4.4.4, 4.5.3, 4.0.4 or later
System.ServiceModel.Http4.3.3, 4.4.4, 4.5.3, 4.1.3 or later
System.ServiceModel.NetTcp4.3.3, 4.4.4, 4.5.3, 4.1.3 or later
System.ServiceModel.Primitives4.3.3, 4.4.4, 4.5.3, 4.1.3 or later
System.ServiceModel.Security4.3.3, 4.4.4, 4.5.3, 4.0.4 or later

Affected products

Product	Affected versions	Fixed in
microsoft .net_framework	3.0, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.6.1	—
microsoft powershell_core	6.0, 6.1	—
microsoft .net_core	1.0, 1.1, 2.0	—
microsoft .net_framework_developer_pack	4.7.2	—
microsoft asp.net_core	1.0, 1.1, 2.0	—
System.Private.ServiceModelNuGet	4.0.0 ≤ v < 4.1.3, 4.3.0 ≤ v < 4.3.3, 4.4.0 ≤ v < 4.4.4, 4.5.0 ≤ v < 4.5.3	4.1.3, 4.3.3, 4.4.4, 4.5.3
System.ServiceModel.DuplexNuGet	4.3.0 ≤ v < 4.3.3, 4.4.0 ≤ v < 4.4.4, 4.5.0 ≤ v < 4.5.3, 4.0.0 ≤ v < 4.0.4	4.3.3, 4.4.4, 4.5.3, 4.0.4
System.ServiceModel.HttpNuGet	4.3.0 ≤ v < 4.3.3, 4.4.0 ≤ v < 4.4.4, 4.5.0 ≤ v < 4.5.3, 4.0.0 ≤ v < 4.1.3	4.3.3, 4.4.4, 4.5.3, 4.1.3
System.ServiceModel.NetTcpNuGet	4.3.0 ≤ v < 4.3.3, 4.4.0 ≤ v < 4.4.4, 4.5.0 ≤ v < 4.5.3, 4.0.0 ≤ v < 4.1.3	4.3.3, 4.4.4, 4.5.3, 4.1.3
System.ServiceModel.PrimitivesNuGet	4.3.0 ≤ v < 4.3.3, 4.4.0 ≤ v < 4.4.4, 4.5.0 ≤ v < 4.5.3, 4.0.0 ≤ v < 4.1.3	4.3.3, 4.4.4, 4.5.3, 4.1.3
System.ServiceModel.SecurityNuGet	4.3.0 ≤ v < 4.3.3, 4.4.0 ≤ v < 4.4.4, 4.5.0 ≤ v < 4.5.3, 4.0.0 ≤ v < 4.0.4	4.3.3, 4.4.4, 4.5.3, 4.0.4

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