CVE-2024-34632
📋 TL;DR
An out-of-bounds read vulnerability in Samsung Notes' UUID parsing allows a local attacker to read unauthorized memory. This affects Samsung Notes versions prior to 4.4.21.62 on Samsung mobile devices. The attacker 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 could read sensitive memory contents, potentially exposing authentication tokens, encryption keys, or other application data stored in memory.
Likely Case
Application crash or information disclosure of limited memory contents, potentially revealing some application state or data.
If Mitigated
Minimal impact with proper patching and standard mobile security controls in place.
🎯 Exploit Status
Requires local access to device and knowledge of UUID parsing to trigger the out-of-bounds read.
🛠️ 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. 2. Search for Samsung Notes. 3. Update to version 4.4.21.62 or later. 4. Alternatively, enable automatic updates in device settings.
🔧 Temporary Workarounds
Disable Samsung Notes
androidTemporarily disable the Samsung Notes application to prevent exploitation.
Go to Settings > Apps > Samsung Notes > Disable
Restrict app permissions
androidRemove unnecessary permissions from Samsung Notes to limit potential impact.
Go to Settings > Apps > Samsung Notes > Permissions > Review and disable unnecessary permissions
🧯 If You Can't Patch
- Implement strict access controls to prevent unauthorized local access to devices
- Monitor for application crashes or unusual behavior in Samsung Notes
🔍 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 4.4.21.62 or higher in app settings📡 Detection & Monitoring
Log Indicators:
- Samsung Notes application crashes
- Memory access violation logs in system logs
Network Indicators:
- No network indicators - local vulnerability only
SIEM Query:
Not applicable - local vulnerability with no network traffic