CVE-2024-52924
📋 TL;DR
This vulnerability in Samsung Exynos processors allows attackers to execute arbitrary code by sending specially crafted Registration Accept messages. It affects Samsung mobile devices, wearables, and modems using vulnerable Exynos chips. Successful exploitation could lead to complete device compromise.
💻 Affected Systems
- Samsung Mobile Processor
- Samsung Wearable Processor
- Samsung Modem
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full device compromise, data theft, and persistent backdoor installation
Likely Case
Device crash/reboot or limited code execution in modem context
If Mitigated
Denial of service through device instability
🎯 Exploit Status
Exploitation requires sending malicious Registration Accept messages to modem
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Check Samsung security updates for specific device models
Vendor Advisory: https://semiconductor.samsung.com/support/quality-support/product-security-updates/
Restart Required: Yes
Instructions:
1. Check for security updates in device settings 2. Install latest firmware update 3. Reboot device after installation
🔧 Temporary Workarounds
Disable cellular when not needed
allTurn off cellular data/airplane mode when not actively using mobile network
🧯 If You Can't Patch
- Restrict device to trusted networks only
- Monitor for unusual modem activity or device crashes
🔍 How to Verify
Check if Vulnerable:
Check device model and Exynos chip version in Settings > About PhoneCheck Version:
Not applicable - check via device settings UIVerify Fix Applied:
Verify security patch level in Settings > About Phone > Software Information📡 Detection & Monitoring
Log Indicators:
- Modem crash logs
- Unexpected device reboots
- Abnormal cellular registration attempts
Network Indicators:
- Malformed Registration Accept messages
- Unusual cellular traffic patterns
SIEM Query:
Not applicable - device-level vulnerability