CVE-2024-9750
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code by tricking users into opening malicious PNG files in Tungsten Automation Power PDF. The flaw exists in PNG file parsing where improper data validation enables out-of-bounds reads that can lead to remote code execution. All users of affected Power PDF versions are at risk.
💻 Affected Systems
- Tungsten Automation Power PDF
📦 What is this software?
Power Pdf by Tungstenautomation
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining the same privileges as the PDF application user, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation leading to data exfiltration, malware installation, or persistence mechanisms being established on the compromised system.
If Mitigated
Application crash or denial of service if exploit attempts are blocked by security controls, with no code execution achieved.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file) and knowledge of PNG file structure manipulation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Tungsten Automation security advisory for specific patched version
Vendor Advisory: https://www.tungstenautomation.com/security
Restart Required: Yes
Instructions:
1. Visit Tungsten Automation security advisory page
2. Download latest patched version of Power PDF
3. Install update following vendor instructions
4. Restart system if required
🔧 Temporary Workarounds
Disable PNG file handling
windowsConfigure Power PDF to not process PNG files or use alternative PDF software for PNG-containing documents
Application control restrictions
windowsUse application whitelisting to restrict Power PDF execution to trusted directories only
🧯 If You Can't Patch
- Implement strict email filtering to block PNG attachments
- Deploy endpoint detection and response (EDR) with memory protection features
🔍 How to Verify
Check if Vulnerable:
Check Power PDF version against vendor's security advisory for affected versionsCheck Version:
Open Power PDF → Help → About or check installed programs in Windows Control PanelVerify Fix Applied:
Verify Power PDF version matches or exceeds patched version specified in vendor advisory📡 Detection & Monitoring
Log Indicators:
- Power PDF crash logs with memory access violations
- Unexpected process spawning from Power PDF executable
Network Indicators:
- Unusual outbound connections from Power PDF process
- DNS requests to suspicious domains following PDF opening
SIEM Query:
Process Creation where (Image contains 'PowerPDF' OR ParentImage contains 'PowerPDF') AND CommandLine contains '.png'