Adobe Flash Player Use-After-Free 원격 코드 실행 취약점 (CVE-2018-4878) 긴급 보안 권고

# RedHat/CentOS 계열 시스템에서 Flash Player 패키지 업데이트
sudo yum update flash-plugin -y

# Internet Explorer에서 Flash Player 실행 차단 (Kill-Bit 설정)
Set-ItemProperty -Path 'HKLM:\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB6E-AE6D-11cf-96B8-444553540000}' -Name 'Compatibility Flags' -Value 1024
Set-ItemProperty -Path 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB6E-AE6D-11cf-96B8-444553540000}' -Name 'Compatibility Flags' -Value 1024

# 설치된 Flash Player 버전 확인 스크립트
$flashPath = '${env:SystemRoot}\System32\Macromed\Flash'
if (Test-Path $flashPath) {
    Get-ChildItem -Path $flashPath -Filter '*.ocx' | ForEach-Object {
        $version = $_.VersionInfo.ProductVersion
        Write-Host 'Found Flash Player Version:' $version
        if ([version]$version -lt [version]'28.0.0.161') {
            Write-Warning 'Vulnerable Flash Player version detected! Immediate action required.'
        }
    }
} else {
    Write-Host 'Flash Player is not installed in the default system directory.'
}