CVE-2024-34624

5.5 MEDIUM

📋 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

Products:
  • Samsung Notes
Versions: Versions prior to 4.4.21.62
Operating Systems: Android (Samsung devices)
Default Config Vulnerable: ⚠️ Yes
Notes: Only affects Samsung Notes application on Samsung mobile devices; requires local access to device

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Local attacker reads sensitive memory contents including passwords, encryption keys, or other application data stored in memory

🟠

Likely Case

Limited information disclosure of application memory, potentially exposing some user data or application state

🟢

If Mitigated

No impact if patched or if attacker lacks local access to device

🌐 Internet-Facing: LOW - Requires local access to device, not directly exploitable over network
🏢 Internal Only: MEDIUM - Local attackers on compromised devices could exploit this for information disclosure

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: MEDIUM

Requires local access to device and specific conditions when applying paragraphs in Samsung Notes

🛠️ 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 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. No device restart required

🔧 Temporary Workarounds

Disable Samsung Notes

android

Temporarily disable or uninstall Samsung Notes application

adb shell pm disable-user --user 0 com.samsung.android.app.notes

🧯 If You Can't Patch

  • Restrict physical access to devices containing sensitive data
  • Implement application whitelisting to prevent unauthorized app execution

🔍 How to Verify

Check if Vulnerable:

Check Samsung Notes version in device settings > Apps > Samsung Notes > App info

Check Version:

adb shell dumpsys package com.samsung.android.app.notes | grep versionName

Verify Fix Applied:

Verify Samsung Notes version is 4.4.21.62 or higher

📡 Detection & Monitoring

Log Indicators:

  • Application crashes of Samsung Notes
  • Memory access violations in system logs

Network Indicators:

  • No network indicators - local exploit only

SIEM Query:

No specific SIEM query - monitor for Samsung Notes crashes or unusual memory access patterns

🔗 References

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