CVE-2024-45185

5.1 MEDIUM

📋 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

Products:
  • 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
Versions: All versions prior to security patches
Operating Systems: Android-based Samsung devices, Wear OS-based Samsung wearables
Default Config Vulnerable: ⚠️ Yes
Notes: Affects devices with GPRS functionality enabled (most mobile devices by default).

📦 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.

🌐 Internet-Facing: MEDIUM - Requires network access to GPRS interface, but many devices have cellular connectivity.
🏢 Internal Only: LOW - Primarily affects cellular/mobile devices rather than internal enterprise systems.

🎯 Exploit Status

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

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

android

Prevents 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'

🔗 References

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