CVE-2024-45185
📋 TL;DR
This vulnerability allows attackers to execute arbitrary code or cause denial of service on affected Samsung Exynos processors due to a heap overflow in GPRS protocol handling. It affects Samsung mobile devices, wearables, and modems using the listed Exynos chipsets. Successful exploitation could compromise device integrity and user data.
💻 Affected Systems
- Samsung Mobile Processor Exynos 9820, 9825, 980, 990, 850, 1080, 2100, 1280, 2200, 1330, 1380, 1480, 2400
- Samsung Wearable Processor Exynos 9110, W920, W930
- Samsung Modem Exynos 5123, Modem 5300
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete device compromise, data theft, and persistent malware installation.
Likely Case
Device crash/reboot (denial of service) or limited memory corruption affecting GPRS functionality.
If Mitigated
No impact if patched or if GPRS functionality is disabled/unused.
🎯 Exploit Status
Exploitation requires sending specially crafted GPRS packets to vulnerable devices.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Device-specific security updates from Samsung
Vendor Advisory: https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2024-45185/
Restart Required: Yes
Instructions:
1. Check for Samsung device security updates in Settings > Software update. 2. Install available updates. 3. Restart device after installation.
🔧 Temporary Workarounds
Disable GPRS/2G connectivity
androidPrevents exploitation by disabling vulnerable protocol
Settings > Connections > Mobile networks > Network mode > Select LTE/WCDMA/GSM (auto connect) or LTE only
🧯 If You Can't Patch
- Segment affected devices on separate network segments
- Implement network monitoring for abnormal GPRS traffic patterns
🔍 How to Verify
Check if Vulnerable:
Check device model and processor in Settings > About phone > Model number and Hardware info
Check Version:
adb shell getprop ro.build.version.security_patch
Verify Fix Applied:
Verify security patch level in Settings > About phone > Software information > Android security patch level
📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Modem crash logs
- Unexpected device reboots
Network Indicators:
- Abnormal GPRS packet patterns
- Unexpected GPRS connections from unknown sources
SIEM Query:
DeviceModel IN ('affected Samsung models') AND EventType='Crash' AND ProcessName CONTAINS 'modem'