CVE-2022-24064
📋 TL;DR
CVE-2022-24064 is a buffer overflow vulnerability in Sante DICOM Viewer Pro that allows remote code execution when parsing malicious J2K image files. Attackers can exploit this by tricking users into opening specially crafted files or visiting malicious websites. This affects users of Sante DICOM Viewer Pro 11.8.8.0 who process medical imaging files.
💻 Affected Systems
- Sante DICOM Viewer Pro
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise with attacker gaining full control of the affected system, potentially leading to data theft, ransomware deployment, or lateral movement within the network.
Likely Case
Attacker executes arbitrary code in the context of the current user, potentially stealing sensitive medical data, installing malware, or using the system as a foothold for further attacks.
If Mitigated
Limited impact with proper segmentation and user privilege restrictions, potentially only affecting the application process without system-wide compromise.
🎯 Exploit Status
Exploitation requires user interaction (opening malicious file or visiting malicious site). The vulnerability is well-documented and buffer overflow exploits are common.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 11.8.9.0 or later
Vendor Advisory: https://www.santesoft.com/security-advisories/
Restart Required: Yes
Instructions:
1. Download the latest version from SanteSoft official website. 2. Uninstall the current version. 3. Install the updated version. 4. Restart the system.
🔧 Temporary Workarounds
Block J2K file processing
windowsConfigure the application or system to block or quarantine J2K files from untrusted sources.
Application sandboxing
windowsRun Sante DICOM Viewer in a sandboxed environment with restricted permissions.
🧯 If You Can't Patch
- Implement strict file type filtering at network perimeter to block J2K files from external sources.
- Run the application with minimal user privileges and in isolated environments to limit potential damage.
🔍 How to Verify
Check if Vulnerable:
Check Help > About in Sante DICOM Viewer Pro. If version is 11.8.8.0, the system is vulnerable.Check Version:
Not applicable - check via application GUI Help > About menuVerify Fix Applied:
Verify the version is 11.8.9.0 or later in Help > About menu.📡 Detection & Monitoring
Log Indicators:
- Application crashes when processing J2K files
- Unexpected process creation from Sante DICOM Viewer
Network Indicators:
- Downloads of J2K files from untrusted sources
- Outbound connections from Sante DICOM Viewer to suspicious IPs
SIEM Query:
Process:Name='SanteDICOMViewer.exe' AND (EventID=1000 OR EventID=1001) OR NetworkConnection:ProcessName='SanteDICOMViewer.exe'