CVE-2024-20868
📋 TL;DR
This vulnerability in Samsung Notes allows local attackers to delete files with Samsung Notes application privileges under certain conditions. It affects Samsung Notes versions prior to 4.4.15 on Samsung mobile devices. The attack requires local access to the device.
💻 Affected Systems
- Samsung Notes
📦 What is this software?
Notes by Samsung
⚠️ Risk & Real-World Impact
Worst Case
An attacker with local access could delete important user files or system files accessible to Samsung Notes, potentially causing data loss or disrupting device functionality.
Likely Case
Malicious apps or users with physical access could delete notes, attachments, or other files stored by Samsung Notes, leading to data loss for the user.
If Mitigated
With proper app sandboxing and file permission controls, the impact would be limited to files within Samsung Notes' own data directory.
🎯 Exploit Status
Requires local access and specific conditions. No public exploit details available.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.4.15 and later
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2024&month=05
Restart Required: No
Instructions:
1. Open Galaxy Store or Google Play Store on Samsung device. 2. Search for 'Samsung Notes'. 3. Update to version 4.4.15 or later. 4. No device restart required.
🔧 Temporary Workarounds
Disable Samsung Notes
androidTemporarily disable Samsung Notes app to prevent exploitation
Settings > Apps > Samsung Notes > Disable
Restrict app permissions
androidReview and restrict Samsung Notes file permissions
Settings > Apps > Samsung Notes > Permissions > Files and media > Don't allow
🧯 If You Can't Patch
- Implement strict app isolation policies to prevent malicious apps from interacting with Samsung Notes
- Monitor for unusual file deletion patterns in Samsung Notes data directories
🔍 How to Verify
Check if Vulnerable:
Check Samsung Notes version in device settings: Settings > Apps > Samsung Notes > App infoCheck Version:
Not applicable - check via device settings UIVerify Fix Applied:
Verify Samsung Notes version is 4.4.15 or higher in app settings📡 Detection & Monitoring
Log Indicators:
- Unexpected file deletion events in Samsung Notes directories
- Multiple failed file access attempts by Samsung Notes
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable for typical enterprise monitoring