Skip to content

Improper Certificate Validation in Microsoft .NET Framework components

High severity GitHub Reviewed Published Oct 16, 2018 to the GitHub Advisory Database • Updated Jan 29, 2023

Package

nuget Microsoft.NETCore.UniversalWindowsPlatform (NuGet)

Affected versions

>= 5.2.0, < 5.2.4
>= 5.3.0, < 5.3.5
>= 5.4.0, < 5.4.2
>= 6.0.0, < 6.0.6

Patched versions

5.2.4
5.3.5
5.4.2
6.0.6
nuget System.Private.ServiceModel (NuGet)
= 4.4.0
= 4.3.0
= 4.1.0
4.4.1
4.3.1
4.1.1
nuget System.ServiceModel.Duplex (NuGet)
= 4.4.0
= 4.3.0
= 4.0.1
4.4.1
4.3.1
4.0.2
nuget System.ServiceModel.Http (NuGet)
= 4.4.0
= 4.3.0
= 4.1.0
4.4.1
4.3.1
4.1.1
nuget System.ServiceModel.NetTcp (NuGet)
= 4.4.0
= 4.3.0
= 4.1.0
4.4.1
4.3.1
4.1.1
nuget System.ServiceModel.Primitives (NuGet)
= 4.4.0
= 4.3.0
= 4.1.0
4.4.1
4.3.1
4.1.1
nuget System.ServiceModel.Security (NuGet)
= 4.4.0
= 4.3.0
= 4.0.1
4.4.1
4.3.1
4.0.2

Description

Microsoft .NET Framework 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, .NET Core 1.0 and 2.0, and PowerShell Core 6.0.0 allow a security feature bypass vulnerability due to the way certificates are validated, aka ".NET Security Feature Bypass Vulnerability."

References

Published by the National Vulnerability Database Jan 10, 2018
Published to the GitHub Advisory Database Oct 16, 2018
Reviewed Jun 16, 2020
Last updated Jan 29, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weaknesses

CVE ID

CVE-2018-0786

GHSA ID

GHSA-jc8g-xhw5-6x46

Source code

No known source code

Credits

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.