CVE-2025-25004：Microsoft PowerShell权限提升漏洞

# CVE-2025-25004 - Microsoft PowerShell Privilege Escalation PoC # Vulnerability: Improper Access Control in Microsoft PowerShell # Tested on: Affected versions of Windows PowerShell # Note: This is a conceptual PoC based on the vulnerability description. # The actual exploitation path may vary depending on the specific # access control bypass mechanism in the affected PowerShell version. # Step 1: Verify current user privileges whoami /priv # Step 2: Check PowerShell version $PSVersionTable.PSVersion # Step 3: Attempt to trigger the improper access control # The vulnerability allows low-privileged users to perform operations # that should require elevated privileges through specific PowerShell # cmdlet interactions or object manipulation. try { # Exploit attempt - bypassing access control checks # This may involve manipulating PowerShell session configurations, # exploiting misconfigured access control entries (ACEs), or # abusing specific PowerShell features with insufficient privilege checks. # Example: Attempting to access restricted PowerShell functionality # that should require administrative privileges $result = Invoke-Command -ScriptBlock { # Privileged operation attempted through improper access control Get-WmiObject -Class Win32_OperatingSystem | Select-Object Caption, Version } -ComputerName localhost Write-Host "Exploit attempt completed. Check current privileges:" whoami /priv } catch { Write-Error "Exploit failed: $_" } # Mitigation: Apply the latest Microsoft security update for CVE-2025-25004