CVE-2024-5306
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code on systems running vulnerable versions of Kofax Power PDF by tricking users into opening malicious PDF files. The flaw exists in PDF file parsing where improper data validation leads to memory corruption. All users of affected Kofax Power PDF versions are at risk.
💻 Affected Systems
- Kofax Power PDF
📦 What is this software?
Power Pdf by Tungstenautomation
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the affected system, data theft, and lateral movement within the network.
Likely Case
Malware installation, data exfiltration, or ransomware deployment on individual user workstations.
If Mitigated
Limited impact through application sandboxing or restricted user privileges, potentially resulting in application crash only.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). Memory corruption vulnerabilities typically require some exploit development.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Kofax security advisory for specific patched version
Vendor Advisory: https://www.kofax.com/security-advisories
Restart Required: Yes
Instructions:
1. Check current Power PDF version
2. Visit Kofax security advisory page
3. Download and install latest security update
4. Restart system if prompted
🔧 Temporary Workarounds
Disable PDF file association
windowsPrevent Power PDF from automatically opening PDF files
Control Panel > Default Programs > Associate a file type or protocol with a program > Change .pdf association to alternative viewer
Application sandboxing
windowsRun Power PDF in restricted environment
🧯 If You Can't Patch
- Implement application whitelisting to block Power PDF execution
- Deploy network segmentation to isolate PDF processing systems
- Use alternative PDF viewers temporarily
- Implement strict email filtering for PDF attachments
- Enforce least privilege user accounts
🔍 How to Verify
Check if Vulnerable:
Check Power PDF version against vendor advisory. If running affected version and patch not applied, system is vulnerable.Check Version:
Open Power PDF > Help > About Power PDFVerify Fix Applied:
Verify Power PDF version matches or exceeds patched version specified in vendor advisory.📡 Detection & Monitoring
Log Indicators:
- Power PDF crash logs
- Unexpected process creation from Power PDF
- Memory access violation events
Network Indicators:
- Unusual outbound connections from Power PDF process
- PDF downloads from untrusted sources
SIEM Query:
Process Creation where Image contains 'PowerPDF' AND Parent Process contains 'explorer' OR Command Line contains '.pdf'