CVE-2024-34656
📋 TL;DR
A path traversal vulnerability in Samsung Notes allows local attackers to execute arbitrary code by manipulating file paths. This affects Samsung Notes versions prior to 4.4.21.62 on Samsung mobile devices. Attackers must have 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 gains full system control, installs malware, steals sensitive data, or bricks the device.
Likely Case
Local attacker escalates privileges, accesses restricted files, or executes malicious code within the app context.
If Mitigated
Attack limited to app sandbox with minimal data exposure if proper app isolation is enforced.
🎯 Exploit Status
Requires local access and knowledge of path traversal techniques. No public exploit code available as of advisory.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 4.4.21.62
Vendor Advisory: https://security.samsungmobile.com/serviceWeb.smsb?year=2024&month=09
Restart Required: No
Instructions:
1. Open Galaxy Store or Google Play Store on Samsung device. 2. Search for Samsung Notes. 3. Update to version 4.4.21.62 or later. 4. Verify update completed successfully.
🔧 Temporary Workarounds
Disable Samsung Notes
androidTemporarily disable the vulnerable app until patched
adb shell pm disable-user --user 0 com.samsung.android.app.notes
Restrict app permissions
androidRemove unnecessary storage permissions from Samsung Notes
adb shell pm revoke com.samsung.android.app.notes android.permission.READ_EXTERNAL_STORAGE
adb shell pm revoke com.samsung.android.app.notes android.permission.WRITE_EXTERNAL_STORAGE
🧯 If You Can't Patch
- Isolate device from sensitive networks and data
- Implement strict app control policies to prevent malicious app installation
🔍 How to Verify
Check if Vulnerable:
Check Samsung Notes version in app settings: Settings > Apps > Samsung Notes > App infoCheck Version:
adb shell dumpsys package com.samsung.android.app.notes | grep versionNameVerify Fix Applied:
Confirm version is 4.4.21.62 or higher in app settings📡 Detection & Monitoring
Log Indicators:
- Unusual file access patterns in Samsung Notes logs
- Permission denial errors for path traversal attempts
Network Indicators:
- None - local exploitation only
SIEM Query:
source="android" app="Samsung Notes" (event="file_access" OR event="permission_denied") path=".."