CVE-2024-34634
📋 TL;DR
An out-of-bounds read vulnerability in Samsung Notes allows a local attacker to access unauthorized memory when parsing connected object lists. This affects Samsung Notes versions prior to 4.4.21.62 on Samsung mobile devices. The vulnerability requires local access to the device.
💻 Affected Systems
- Samsung Notes
📦 What is this software?
Notes by Samsung
⚠️ Risk & Real-World Impact
Worst Case
Local attacker could read sensitive data from adjacent memory, potentially exposing credentials, personal information, or other application data stored in memory.
Likely Case
Limited information disclosure from adjacent memory regions, potentially exposing some application data or metadata.
If Mitigated
Minimal impact with proper access controls and updated software, as the vulnerability requires local access and has limited memory access scope.
🎯 Exploit Status
Requires local access to the device and knowledge of how to trigger the parsing of connected object lists. No public exploit code is 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: No
Instructions:
1. Open Samsung Galaxy Store or Google Play Store on your Samsung device. 2. Search for 'Samsung Notes'. 3. Update to version 4.4.21.62 or later. 4. Alternatively, enable automatic updates in your app store settings.
🔧 Temporary Workarounds
Disable Samsung Notes
androidTemporarily disable or uninstall Samsung Notes if not needed
adb shell pm disable-user --user 0 com.samsung.android.app.notes
adb uninstall com.samsung.android.app.notes
Restrict App Permissions
androidLimit Samsung Notes permissions to reduce potential impact
🧯 If You Can't Patch
- Implement strict access controls to limit who can physically access devices
- Monitor for unusual memory access patterns or crashes in Samsung Notes
🔍 How to Verify
Check if Vulnerable:
Check Samsung Notes version in device settings > Apps > Samsung Notes > App infoCheck Version:
adb shell dumpsys package com.samsung.android.app.notes | grep versionNameVerify Fix Applied:
Verify Samsung Notes version is 4.4.21.62 or higher📡 Detection & Monitoring
Log Indicators:
- Samsung Notes crashes or unexpected terminations
- Memory access violation logs in system logs
Network Indicators:
- No network indicators - this is a local vulnerability
SIEM Query:
No network-based detection possible for this local vulnerability