CVE-2024-5513
📋 TL;DR
This vulnerability allows remote attackers to execute arbitrary code by tricking users into opening malicious JP2 image files in Kofax Power PDF. The flaw exists in how the software handles JP2 file parsing, enabling buffer overflow attacks. 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 the same privileges as the PDF viewer process, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Local privilege escalation leading to malware installation, data exfiltration, or persistence mechanisms being established on the compromised system.
If Mitigated
Limited impact with proper application sandboxing and privilege separation, potentially resulting in application crash but not full system compromise.
🎯 Exploit Status
Exploitation requires user interaction but uses common buffer overflow techniques; ZDI-CAN-22044 identifier suggests coordinated disclosure
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified in provided reference, check Kofax security advisory
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 patch
4. Restart system
🔧 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 > Remove .jp2 association with Power PDF
Application sandboxing
windowsRun Power PDF in restricted environment using application control solutions
🧯 If You Can't Patch
- Implement application whitelisting to block Power PDF execution
- Deploy network segmentation to limit lateral movement from compromised systems
🔍 How to Verify
Check if Vulnerable:
Check Power PDF version against Kofax security advisory; if using unpatched version, assume vulnerable
Check Version:
Open Power PDF > Help > About Power PDF
Verify Fix Applied:
Verify Power PDF version matches patched version in Kofax advisory and test with safe JP2 files
📡 Detection & Monitoring
Log Indicators:
- Power PDF crash logs with memory access violations
- Unexpected child processes spawned from Power PDF
- Unusual network connections from PDF viewer process
Network Indicators:
- Outbound connections from Power PDF to suspicious IPs
- DNS requests for known malicious domains from PDF process
SIEM Query:
Process Creation where (Image contains 'powerpdf' OR ParentImage contains 'powerpdf') AND CommandLine contains '.jp2'