high
7.5
CWE
295
Advisory Published
Updated

CVE-2019-1006

First published: Mon Jul 15 2019(Updated: )

An authentication bypass vulnerability exists in Windows Communication Foundation (WCF) and Windows Identity Foundation (WIF), allowing signing of SAML tokens with arbitrary symmetric keys, aka 'WCF/WIF SAML Token Authentication Bypass Vulnerability'.

Credit: secure@microsoft.com

Affected SoftwareAffected VersionHow to fix
Microsoft .NET Framework 4=2.0-sp2
Microsoft .NET Framework 4=3.0-sp2
Microsoft Windows Server=sp2
Microsoft .NET Framework 4=3.5
Windows 10
Windows 10=1607
Windows 10=1703
Windows 10=1709
Windows 10=1803
Microsoft Windows
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1803
Microsoft .NET Framework 4=4.7.2
Windows 10=1809
Microsoft Windows Server 2019
Microsoft .NET Framework 4=4.8
Windows 10=1903
Microsoft .NET Framework 4=3.5.1
Microsoft Windows 7=sp1
Microsoft Windows Server=r2-sp1
Microsoft Windows Server=r2-sp1
Microsoft .NET Framework 4=4.5.2
Microsoft Windows RT
Microsoft .NET Framework 4=4.6
Microsoft .NET Framework 4=4.6.1
Microsoft .NET Framework 4=4.6.2
Microsoft .NET Framework 4=4.7
Microsoft .NET Framework 4=4.7.1
Microsoft Identity Model=7.0.0
Microsoft SharePoint Enterprise Server 2016=2013-sp1
Microsoft SharePoint Enterprise Server 2016=2016
Microsoft SharePoint Foundation 2013=2010-sp2
Microsoft SharePoint Foundation 2013=2013-sp1
Microsoft SharePoint Server 2010=2019
Windows 10
Windows 10=1607
Windows 10=1703
Windows 10=1709
Windows 10=1803
Windows 10=1809
Windows 10=1903
Microsoft Windows 7=sp1
Microsoft Windows
Microsoft Windows RT
Microsoft Windows Server=sp2
Microsoft Windows Server=r2-sp1
Microsoft Windows Server=r2-sp1
Microsoft Windows Server
Microsoft Windows Server=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=1803
Microsoft Windows Server 2016=1903
Microsoft Windows Server 2019

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1006

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-1006?

    The severity of CVE-2019-1006 is high with a CVSS score of 7.5.

  • Which software is affected by CVE-2019-1006?

    The affected software includes Microsoft .NET Framework versions 2.0 SP2, 3.0 SP2, and 3.5, as well as Microsoft Identitymodel version 7.0.0.

  • How does the authentication bypass vulnerability in CVE-2019-1006 work?

    The vulnerability allows signing of SAML tokens with arbitrary symmetric keys, bypassing authentication in Windows Communication Foundation (WCF) and Windows Identity Foundation (WIF).

  • Is Windows 10 vulnerable to CVE-2019-1006?

    No, Windows 10 is not vulnerable to CVE-2019-1006.

  • How can I fix CVE-2019-1006?

    Apply the necessary security updates provided by Microsoft to fix the authentication bypass vulnerability in CVE-2019-1006.

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