CVE-2024-5510
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code by tricking users into opening malicious JP2 files in Kofax Power PDF. The flaw exists in JP2 file parsing where improper input validation leads to out-of-bounds memory reads that can be leveraged for code execution. 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 the same privileges as the PDF viewer process, potentially leading to data theft, ransomware deployment, or lateral movement.
Likely Case
Malicious code execution in the context of the PDF application, allowing file system access, credential harvesting, and installation of additional malware.
If Mitigated
Limited impact with application crash or denial of service if exploit attempts are blocked by security controls.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file). ZDI-CAN-22019 tracking suggests active research interest.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Kofax security advisory for specific patched version
Vendor Advisory: https://docshield.kofax.com/PowerPDF/en_US/5.0.0-5.0.0.10/wwhelp/wwhimpl/js/html/wwhelp.htm
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 JP2 file association
windowsRemove JP2 file type association with Power PDF to prevent automatic opening
Control Panel > Default Programs > Associate a file type or protocol with a program > Select .jp2 > Change program > Choose different application
Block JP2 files at perimeter
allFilter JP2 files at email gateways and web proxies
🧯 If You Can't Patch
- Implement application whitelisting to block unauthorized PDF viewers
- Use endpoint protection with memory protection and exploit prevention features
🔍 How to Verify
Check if Vulnerable:
Check Power PDF Help > About for version number and compare against vendor advisoryCheck Version:
Open Power PDF > Help > AboutVerify Fix Applied:
Verify version number matches patched version in vendor advisory and test with safe JP2 files📡 Detection & Monitoring
Log Indicators:
- Power PDF crash logs with memory access violations
- Unexpected child processes spawned from PDF viewer
Network Indicators:
- Outbound connections from PDF viewer process to unknown IPs
- DNS requests for suspicious domains from PDF process
SIEM Query:
process_name:"PowerPDF.exe" AND (event_id:1000 OR event_id:1001) OR parent_process:"PowerPDF.exe"