CVE-2023-36873: .NET Framework Spoofing Vulnerability

Published Aug 8, 2023
·
Updated

.NET Framework Spoofing Vulnerability

Affected Software

123 affected componentsFixes available
Microsoft .NET Framework=4.6.2
Patch availablePatch available
Microsoft .NET Framework=4.6.2, =4.7, =4.7.1, =4.7.2
Patch availablePatch available
Microsoft .NET Framework=4.8
Patch availablePatch available
Microsoft .NET Framework=4.6.2, =4.7, =4.7.1, =4.7.2
Patch availablePatch available
Microsoft .NET Framework=4.8
Patch availablePatch available
Microsoft .NET Framework=4.6.2, =4.7, =4.7.1, =4.7.2
Patch availablePatch available
Microsoft .NET Framework=4.8
Patch availablePatch available
Microsoft .NET Framework=3.5, =4.7.2
Patch available
Microsoft .NET Framework=3.5, =4.8
Patch available
Microsoft .NET Framework=4.8
Patch available
Microsoft .NET Framework=3.5, =4.8
Patch available
Microsoft .NET Framework=3.5, =4.8.1
Patch available
Microsoft .NET Framework=3.5, =4.8
Patch available
Microsoft .NET Framework=3.5, =4.8.1
Patch available
Microsoft .NET Framework=3.5, =4.8.1
Patch available
Microsoft .NET Framework=3.5, =4.8
Patch available
Microsoft .NET Framework=3.5, =4.8.1
Patch available
Microsoft .NET Framework=3.5, =4.8.1
Patch available
Microsoft .NET Framework=3.5, =4.8
Patch available
All of the following
Any of the following
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft .NET Framework=4.6.2
All of the following
Any of the following
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 11 21h2
Microsoft Windows 11 21h2
Microsoft Windows 11 22h2
Microsoft Windows 11 22h2
Microsoft Windows Server 2022
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.8.1
All of the following
Any of the following
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Any of the following
Microsoft .NET Framework=4.6.2
Microsoft .NET Framework=4.7
Microsoft .NET Framework=4.7.1
Microsoft .NET Framework=4.7.2
All of the following
Any of the following
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows Server 2019
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.7.2
All of the following
Any of the following
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 11 21h2
Microsoft Windows 11 21h2
Microsoft Windows Server 2019
Microsoft Windows Server 2022
Any of the following
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.8
All of the following
Any of the following
Microsoft Windows 10 1607
Microsoft Windows 10 1607
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft .NET Framework=4.8
Microsoft .NET Framework=4.6.2
Microsoft Windows Server 2008=sp2
Microsoft Windows Server 2008=sp2
Microsoft .NET Framework=3.5
Microsoft .NET Framework=4.8.1
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 21h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 10 22h2
Microsoft Windows 11 21h2
Microsoft Windows 11 21h2
Microsoft Windows 11 22h2
Microsoft Windows 11 22h2
Microsoft Windows Server 2022
Microsoft .NET Framework=4.7
Microsoft .NET Framework=4.7.1
Microsoft .NET Framework=4.7.2
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows 10 1809
Microsoft Windows Server 2019
Microsoft .NET Framework=4.8
Microsoft Windows 10 1607
Microsoft Windows 10 1607
Microsoft Windows Server 2016
Microsoft .NET Framework=3.5, =4.6.2, =4.7, =4.7.1, =4.7.2
10.0.14393.6167
Microsoft .NET Framework and 4.6.2=3.5
10.0.10240.20107
Microsoft .NET Framework=4.6.2
4.7.04057.054.7.04057.04
Microsoft .NET Framework=3.5, =4.8.1
4.8.09176.01
Microsoft .NET Framework=4.6.2
4.7.04057.054.7.4057.04
Microsoft .NET Framework=3.5, =4.8.1
4.8.09176.01
Microsoft .NET Framework=3.5, =4.8.1
3.5.09176.01
Microsoft .NET Framework=3.5, =4.8.1
4.8.09176.01
Microsoft .NET Framework=3.5, =4.8.1
4.8.09176.01
Microsoft .NET Framework=4.6.2, =4.7, =4.7.1, =4.7.2
4.7.04057.074.7.04057.06
Microsoft .NET Framework=4.6.2, =4.7, =4.7.1, =4.7.2
4.7.04057.054.7.4057.04
Microsoft .NET Framework=3.5, =4.7.2
3.5.04057.05
Microsoft .NET Framework=3.5, =4.7.2
4.7.4057.05
Microsoft .NET Framework=3.5, =4.8
4.8.04654.06
Microsoft .NET Framework=3.5, =4.8
4.8.04654.06
Microsoft .NET Framework=3.5, =4.8
4.8.04654.06
Microsoft .NET Framework=3.5, =4.8
4.8.04654.06
Microsoft .NET Framework=3.5, =4.8
4.8.04654.08
Microsoft .NET Framework=4.8
4.8.04654.084.8.04654.07
Microsoft .NET Framework=4.8
4.8.04654.064.8.04654.05
Microsoft .NET Framework=3.5, =4.8
3.5.4654.08
Microsoft .NET Framework=4.8
4.8.04654.06
Microsoft .NET Framework=4.8
4.8.4654.06
Microsoft .NET Framework=4.8
4.8.4654.064.8.04654.05

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.14393.6167Patch KB5029242
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.0.10240.20107Patch KB5029259
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.7.04057.05Fixed in 4.7.04057.04Patch KB5029569
  4. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.09176.01Patch KB5029649
  5. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.7.04057.05Fixed in 4.7.4057.04Patch KB5029569
  6. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.09176.01Patch KB5029648
  7. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 3.5.09176.01Patch KB5029655
  8. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.09176.01Patch KB5029650
  9. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.09176.01Patch KB5028948
  10. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.7.04057.07Fixed in 4.7.04057.06Patch KB5029568
  11. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.7.04057.05Fixed in 4.7.04057.04Patch KB5029567
  12. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.7.04057.05Fixed in 4.7.4057.04Patch KB5029566
  13. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 3.5.04057.05Patch KB5029647
  14. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.7.4057.05Patch KB5029647
  15. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.06Patch KB5029650
  16. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.06Patch KB5029648
  17. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.06Patch KB5029655
  18. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.06Patch KB5029649
  19. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.08Patch KB5029647
  20. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.08Fixed in 4.8.04654.07Patch KB5029568
  21. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.06Fixed in 4.8.04654.05Patch KB5029567
  22. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 3.5.4654.08Patch KB5029647
  23. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.04654.06Patch KB5028952
  24. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.4654.06Patch KB5028952
  25. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 4.8.4654.06Fixed in 4.8.04654.05Patch KB5029566

Event History

Aug 8, 2023
CVE Published
via Microsoft·07:00 AM
Data Sourced
via Microsoft·07:00 AM
DescriptionSeverityWeakness
Data Sourced
via Microsoft·07:00 AM
Affected Software
Updated
via Microsoft·07:00 AM
DescriptionSeverity
Updated
via Microsoft·07:00 AM
Description
CVE Published
via MITRE·06:34 PM
Data Sourced
via MITRE·06:34 PM
DescriptionSeverity
Data Sourced
via NVD·07:15 PM
RemedyDescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2023-36873?

CVE-2023-36873 is classified as a spoofing vulnerability which can allow an attacker to impersonate a trusted entity.

2

How do I fix CVE-2023-36873?

To fix CVE-2023-36873, you need to apply the latest patches provided by Microsoft for the affected .NET Framework versions.

3

Which versions of .NET Framework are affected by CVE-2023-36873?

CVE-2023-36873 affects .NET Framework versions 3.5, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, and 4.8.1.

4

Can CVE-2023-36873 affect Windows Server operating systems?

Yes, CVE-2023-36873 can affect various Windows Server operating systems that utilize the affected .NET Framework versions.

5

Is CVE-2023-36873 a critical vulnerability?

CVE-2023-36873 is considered a high-severity vulnerability due to its potential to allow impersonation attacks.

Company

Resources

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