CVE-2024-10445
📋 TL;DR
This CVE describes an improper certificate validation vulnerability in Synology BeeStation OS and DiskStation Manager update functionality. It allows remote attackers to write limited files via unspecified vectors. Affected users are those running vulnerable versions of Synology BeeStation OS (BSM) before 1.1-65374 and Synology DiskStation Manager (DSM) before specified versions.
💻 Affected Systems
- Synology BeeStation OS (BSM)
- Synology DiskStation Manager (DSM)
📦 What is this software?
Beestation Os by Synology
Beestation Os by Synology
Beestation Os by Synology
Beestation Os by Synology
Beestation Os by Synology
Beestation Os by Synology
Beestation Os by Synology
Beestation Os by Synology
Beestation Os by Synology
⚠️ Risk & Real-World Impact
Worst Case
Remote attackers could write malicious files to the system, potentially leading to limited file system manipulation, configuration changes, or preparation for further attacks.
Likely Case
Attackers could write limited files to specific locations, potentially affecting system integrity or preparing for privilege escalation.
If Mitigated
With proper network segmentation and access controls, impact would be limited to isolated network segments.
🎯 Exploit Status
The advisory mentions 'remote attackers' but doesn't specify authentication requirements. The 'unspecified vectors' suggests exploitation details aren't publicly disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: BSM 1.1-65374 or later; DSM 6.2.4-25556-8, 7.1.1-42962-7, 7.2-64570-4, 7.2.1-69057-6, 7.2.2-72806-1 or later
Vendor Advisory: https://www.synology.com/en-global/security/advisory/Synology_SA_24_20, https://www.synology.com/en-global/security/advisory/Synology_SA_24_23
Restart Required: Yes
Instructions:
1. Log into Synology DSM/BeeStation web interface. 2. Go to Control Panel > Update & Restore. 3. Click 'Update DSM' or 'Update BeeStation OS'. 4. Follow prompts to install latest version. 5. System will restart automatically.
🔧 Temporary Workarounds
Network Segmentation
allRestrict network access to Synology update services from untrusted networks.
Disable Automatic Updates
allTemporarily disable automatic updates until patched, then manually update from trusted sources.
🧯 If You Can't Patch
- Implement strict network access controls to limit exposure of Synology devices to untrusted networks.
- Monitor file system changes and update-related network traffic for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Check current version in DSM/BeeStation web interface under Control Panel > Info Center > DSM Version or BeeStation OS Version.
Check Version:
ssh admin@synology_ip 'cat /etc.defaults/VERSION' or check web interface
Verify Fix Applied:
Verify version matches or exceeds patched versions: BSM >= 1.1-65374; DSM >= appropriate version for your release.
📡 Detection & Monitoring
Log Indicators:
- Unusual file write operations in system logs
- Failed update attempts from unexpected sources
- Certificate validation errors in update logs
Network Indicators:
- Unusual update traffic patterns
- Update requests from unexpected IP addresses
SIEM Query:
source="synology_logs" AND (event_type="file_write" OR event_type="update_failure")