CVE-2015-1671 | Microsoft .NET Framework - Windows DirectWrite library Operational Intel

Executive Risk Summary

"The Windows DirectWrite library is vulnerable to a TrueType font parsing vulnerability, allowing remote attackers to execute arbitrary code. This vulnerability affects various Microsoft products, including .NET Framework, Office, and Silverlight."

Anticipated Attack Path

1. Initial Exploitation: Attacker crafts a malicious TrueType font
2. Privilege Escalation: Arbitrary code execution on the vulnerable system
3. Lateral Movement: Potential spread to other systems or data exfiltration

Am I Vulnerable?

Verify .NET Framework version and apply MS15-044 patch
Check for vulnerable Office and Silverlight versions
Monitor system logs for suspicious font-related activity

Operational Audit Arsenal

Target Type DLL

Target Asset dwrite.dll

Standard Path C:\Windows\System32

PowerShell

# 🛠️ Senior Engineer Universal Audit
# Target: dwrite.dll (DLL)
$Targets = 'dwrite.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}}