CVE-2025-0574
📋 TL;DR
CVE-2025-0574 is a memory corruption vulnerability in Sante PACS Server's URL parsing that allows unauthenticated remote attackers to cause denial-of-service conditions. The flaw exists due to improper validation of user-supplied URL data in the web server module. All internet-facing Sante PACS Server installations are affected.
💻 Affected Systems
- Sante PACS Server
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete system crash requiring manual restart, potentially disrupting medical imaging workflows and patient care.
Likely Case
Service disruption causing temporary unavailability of the PACS server, affecting medical image access.
If Mitigated
Minimal impact if server is behind proper network segmentation and intrusion prevention systems.
🎯 Exploit Status
ZDI-CAN-25318 indicates Zero Day Initiative discovery; no public exploit code available yet.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Sante PACS Server vendor advisory for specific patched version
Vendor Advisory: https://www.santesoft.com/security-advisories/ (example - check actual vendor site)
Restart Required: Yes
Instructions:
1. Contact Sante support for patch availability
2. Backup server configuration and data
3. Apply vendor-provided patch
4. Restart Sante PACS Server services
5. Verify functionality
🔧 Temporary Workarounds
Network Segmentation
allRestrict access to Sante PACS Server web interface to trusted networks only
Web Application Firewall
allDeploy WAF with URL path validation rules to block malicious requests
🧯 If You Can't Patch
- Isolate Sante PACS Server behind firewall with strict IP whitelisting
- Implement network monitoring for abnormal URL patterns and DoS attempts
🔍 How to Verify
Check if Vulnerable:
Check Sante PACS Server version against vendor's vulnerable version listCheck Version:
Check Sante PACS Server administration interface or installation directory for version informationVerify Fix Applied:
Verify patch installation and test URL parsing functionality📡 Detection & Monitoring
Log Indicators:
- Multiple failed connection attempts
- Unusual URL patterns in web server logs
- Service crash/restart events
Network Indicators:
- Abnormal HTTP requests with malformed URL paths
- Traffic spikes to PACS server web port
SIEM Query:
source="sante-pacs-logs" AND (event_type="service_crash" OR url_path="*malformed*" OR status_code=500)