CVE-2024-34626
📋 TL;DR
An out-of-bounds read vulnerability in Samsung Notes allows local attackers to potentially read memory contents. This affects Samsung Notes versions prior to 4.4.21.62 on Samsung mobile devices. Attackers need local access to the device to exploit this vulnerability.
💻 Affected Systems
- Samsung Notes
📦 What is this software?
Notes by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Local attacker reads sensitive memory contents including passwords, encryption keys, or other application data from the device.
Likely Case
Local attacker reads limited memory contents, potentially exposing some application data or system information.
If Mitigated
No impact if patched or if attacker lacks local access to vulnerable device.
🎯 Exploit Status
Requires local access and specific conditions to trigger the out-of-bounds read. No public exploit code known.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.4.21.62
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2024&month=08
Restart Required: Yes
Instructions:
1. Open Galaxy Store or Google Play Store on Samsung device. 2. Search for Samsung Notes. 3. Update to version 4.4.21.62 or later. 4. Restart device after update.
🔧 Temporary Workarounds
Disable Samsung Notes
androidTemporarily disable Samsung Notes application to prevent exploitation
Settings > Apps > Samsung Notes > Disable
Restrict app permissions
androidRemove unnecessary permissions from Samsung Notes
Settings > Apps > Samsung Notes > Permissions > Remove all permissions
🧯 If You Can't Patch
- Restrict physical access to vulnerable devices
- Implement application whitelisting to prevent unauthorized app execution
🔍 How to Verify
Check if Vulnerable:
Check Samsung Notes version in app settings or device app managerCheck Version:
Settings > Apps > Samsung Notes > App info > VersionVerify Fix Applied:
Confirm Samsung Notes version is 4.4.21.62 or higher📡 Detection & Monitoring
Log Indicators:
- Application crashes of Samsung Notes
- Unusual memory access patterns in system logs
Network Indicators:
- No network indicators - local exploit only
SIEM Query:
No specific SIEM query - monitor for Samsung Notes crashes or unusual app behavior