CVE-2013-0074 | Microsoft Silverlight - Rendering Engine Operational Intel

Executive Risk Summary

"A remote code execution vulnerability exists in Microsoft Silverlight due to improper validation of pointers during HTML object rendering. This allows an attacker to execute arbitrary code via a crafted Silverlight application."

Anticipated Attack Path

1. Initial Exploitation: Attacker crafts a malicious Silverlight application
2. Privilege Escalation: Arbitrary code execution on the victim's system
3. Lateral Movement: Potential for further exploitation of the compromised system

Am I Vulnerable?

Verify the version of Microsoft Silverlight installed on the system
Check for any suspicious or unknown Silverlight applications
Apply the patch from Microsoft to update Silverlight to a non-vulnerable version

Operational Audit Arsenal

Target Type Process

Target Asset AgCore.dll

Standard Path C:\Program Files\Microsoft Silverlight\5.1.20125.0

PowerShell

# 🛠️ Senior Engineer Universal Audit
# Target: AgCore.dll (Process)
$Targets = 'AgCore.dll'
$SearchPaths = @("$env:windir\System32", "$env:ProgramFiles", "${env:ProgramFiles(x86)}")

Get-ChildItem -Path $SearchPaths -Include $Targets -Recurse -ErrorAction SilentlyContinue | 
Select-Object FullName, @{Name="Version";Expression={$_.VersionInfo.ProductVersion}}

Patch Impact Forecast

Reboot Required Unlikely

Minimal, as the patch only updates the Silverlight component

Internal Work Notes

Apply MS13-022 patch to update Microsoft Silverlight to version 5.1.20125.0 or later to mitigate the Silverlight Double Dereference Vulnerability (CVE-2013-0074).

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