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Find-CVE-2020-1350.ps1
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Find-CVE-2020-1350.ps1
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<#
.NAME
Resolve-CVE-2020-1350
.SYNOPSIS
This cmdlet is used to add the registry value that can be used as a workaround for CVE-2020-1350.
.SYNTAX
Resolve-CVE-2020-1350 [<CommonParameters>]
.DESCRIPTION
This cmdlet create the registry value HKLM:\SYSTEM\CurrentControlSet\Services\DNS\Parameters TcpReceivePacketSize
and sets it to the max allowable size 0xFF00. This can be used to mitigate CVE-2020-1350 without Windows Update
KB4569509 which requires a reboot of the server. Changing this registry value does not require a reboot.
.EXAMPLE
.EXAMPLE 1
C:\PS> Resolve-CVE-2020-1350
.NOTES
Author: Rob Osborne
Alias: tobor
Contact: [email protected]
.INPUTS
None
You cannot pipe input to this cmdlet.
.OUTPUTS
System.Management.Automation.PSCustomObject
New-ItemProperty returns a custom object that contains the new property.
.LINK
https://osbornepro.com
https://writeups.osbornepro.com
https://github.com/tobor88
https://gitlab.com/tobor88
https://www.powershellgallery.com/profiles/tobor
https://www.linkedin.com/in/roberthosborne/
https://www.credly.com/users/roberthosborne/badges
https://www.hackthebox.eu/profile/52286
#>
Function Resolve-CVE-2017-8529 {
[CmdletBinding()]
param()
$Path = 'HKLM:\SYSTEM\CurrentControlSet\Services\DNS\Parameters'
$Name = 'TcpReceivePacketSize'
$Value = '0xFF00'
If (Test-Path -Path "$Path")
{
Write-Output "[*] Registry path location exists: $Path"
} # If
Else
{
Write-Verbose "Creating registry key value: $Key"
New-Item -Path "$Path" -Force
} # End Else
If (65280 -ne (Get-ItemProperty -Path "$Path" -Name "$Name").$Name)
{
Write-Verbose "[*] Setting registry DWORD value"
New-ItemProperty -Path $Path -Name $Name -Value $Value -PropertyType DWORD
} # End If
Else
{
Write-Output "[*] Registry Value is already set correctly"
} # End Else
} # End Function Resolve-CVE-2020-1350
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