description: A vulnerability exists in certain .Net Framework API's and Visual Studio in the way they parse URL's, aka '.NET Framework and Visual Studio Spoofing Vulnerability'.
problem types: Spoofing
affected:
{
product: Microsoft .NET Framework 4.5.2
vendor: Microsoft
versions:
status: affected, version: Windows 7 for 32-bit Systems Service Pack 1
status: affected, version: Windows 7 for x64-based Systems Service Pack 1
status: affected, version: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
status: affected, version: Windows Server 2008 R2 for x64-based Systems Service Pack 1
status: affected, version: Windows Server 2012
status: affected, version: Windows Server 2012 (Server Core installation)
status: affected, version: Windows 8.1 for 32-bit systems
status: affected, version: Windows 8.1 for x64-based systems
status: affected, version: Windows Server 2012 R2
status: affected, version: Windows RT 8.1
status: affected, version: Windows Server 2012 R2 (Server Core installation)
status: affected, version: Windows Server 2008 for 32-bit Systems Service Pack 2
status: affected, version: Windows Server 2008 for x64-based Systems Service Pack 2
}
{
product: Microsoft .NET Framework 4.6
vendor: Microsoft
versions:
status: affected, version: Windows Server 2008 for 32-bit Systems Service Pack 2
status: affected, version: Windows Server 2008 for x64-based Systems Service Pack 2
}
{
product: .NET Core
vendor: Microsoft
versions:
status: affected, version: 1
status: affected, version: 2.1
status: affected, version: 2.2
}
{
product: Microsoft Visual Studio
vendor: Microsoft
versions:
status: affected, version: 2017
}
{
product: Microsoft .NET Framework 4.7.2
vendor: Microsoft
versions:
status: affected, version: Windows 10 Version 1803 for 32-bit Systems
status: affected, version: Windows 10 Version 1803 for x64-based Systems
status: affected, version: Windows Server, version 1803  (Server Core Installation)
status: affected, version: Windows 10 Version 1803 for ARM64-based Systems
status: affected, version: Windows 10 Version 1809 for 32-bit Systems
status: affected, version: Windows 10 Version 1809 for x64-based Systems
status: affected, version: Windows Server 2019
status: affected, version: Windows Server 2019  (Server Core installation)
}
{
product: Microsoft .NET Framework 4.6/4.6.1/4.6.2
vendor: Microsoft
versions:
status: affected, version: Windows 10 for 32-bit Systems
status: affected, version: Windows 10 for x64-based Systems
}
{
product: Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2
vendor: Microsoft
versions:
status: affected, version: Windows 7 for 32-bit Systems Service Pack 1
status: affected, version: Windows 7 for x64-based Systems Service Pack 1
status: affected, version: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
status: affected, version: Windows Server 2008 R2 for x64-based Systems Service Pack 1
status: affected, version: Windows Server 2012
status: affected, version: Windows Server 2012 (Server Core installation)
status: affected, version: Windows 8.1 for 32-bit systems
status: affected, version: Windows 8.1 for x64-based systems
status: affected, version: Windows Server 2012 R2
status: affected, version: Windows RT 8.1
status: affected, version: Windows Server 2012 R2 (Server Core installation)
}
{
product: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
vendor: Microsoft
versions:
status: affected, version: Windows Server 2016
status: affected, version: Windows 10 Version 1607 for 32-bit Systems
status: affected, version: Windows 10 Version 1607 for x64-based Systems
status: affected, version: Windows Server 2016  (Server Core installation)
}
{
product: Microsoft .NET Framework 4.7/4.7.1/4.7.2
vendor: Microsoft
versions:
status: affected, version: Windows 10 Version 1703 for 32-bit Systems
status: affected, version: Windows 10 Version 1703 for x64-based Systems
}
{
product: Microsoft .NET Framework 4.7.1/4.7.2
vendor: Microsoft
versions:
status: affected, version: Windows 10 Version 1709 for 32-bit Systems
status: affected, version: Windows 10 Version 1709 for x64-based Systems
status: affected, version: Windows Server, version 1709  (Server Core Installation)
status: affected, version: Windows 10 Version 1709 for ARM64-based Systems
}
{
product: PowerShell Core
vendor: Microsoft
versions:
status: affected, version: 6.1
status: affected, version: 6.2
}
{
product: Microsoft Visual Studio 2017
vendor: Microsoft
versions:
status: affected, version: version 15.9
}
{
product: Microsoft .NET Framework 3.5
vendor: Microsoft
versions:
status: affected, version: Windows Server 2012
status: affected, version: Windows Server 2012 (Server Core installation)
status: affected, version: Windows 8.1 for 32-bit systems
status: affected, version: Windows 8.1 for x64-based systems
status: affected, version: Windows Server 2012 R2
status: affected, version: Windows Server 2012 R2 (Server Core installation)
status: affected, version: Windows 10 for 32-bit Systems
status: affected, version: Windows 10 for x64-based Systems
status: affected, version: Windows Server 2016
status: affected, version: Windows 10 Version 1607 for 32-bit Systems
status: affected, version: Windows 10 Version 1607 for x64-based Systems
status: affected, version: Windows 10 Version 1703 for 32-bit Systems
status: affected, version: Windows 10 Version 1703 for x64-based Systems
status: affected, version: Windows 10 Version 1709 for 32-bit Systems
status: affected, version: Windows 10 Version 1709 for x64-based Systems
status: affected, version: Windows Server, version 1709  (Server Core Installation)
status: affected, version: Windows 10 Version 1803 for 32-bit Systems
status: affected, version: Windows 10 Version 1803 for x64-based Systems
status: affected, version: Windows Server, version 1803  (Server Core Installation)
status: affected, version: Windows 10 Version 1803 for ARM64-based Systems
status: affected, version: Windows 10 Version 1809 for 32-bit Systems
status: affected, version: Windows 10 Version 1809 for x64-based Systems
status: affected, version: Windows Server 2019
status: affected, version: Windows Server 2019  (Server Core installation)
status: affected, version: Windows 10 Version 1709 for ARM64-based Systems
}
{
product: Microsoft .NET Framework 3.0
vendor: Microsoft
versions:
status: affected, version: Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
status: affected, version: Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2
status: affected, version: Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2
}
{
product: Microsoft .NET Framework 2.0
vendor: Microsoft
versions:
status: affected, version: Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2
}
{
product: Microsoft .NET Framework 3.5.1
vendor: Microsoft
versions:
status: affected, version: Windows 7 for 32-bit Systems Service Pack 1
status: affected, version: Windows 7 for x64-based Systems Service Pack 1
status: affected, version: Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
status: affected, version: Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1
status: affected, version: Windows Server 2008 R2 for x64-based Systems Service Pack 1
}
