CVE-2024-27386
📋 TL;DR
This vulnerability in Samsung Exynos 1380 and 1480 processors allows attackers to perform heap overwrite attacks by sending specially crafted data to the slsi_handle_nan_rx_event_log_ind function. This can lead to arbitrary code execution or system crashes. Users of devices containing these processors are affected.
💻 Affected Systems
- Samsung Mobile Processor Exynos 1380
- Samsung Mobile Processor Exynos 1480
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Full device compromise with kernel-level code execution, allowing complete control over the affected device.
Likely Case
Device instability, crashes, or denial of service leading to disruption of mobile device functionality.
If Mitigated
Limited impact with proper input validation and memory protection mechanisms in place.
🎯 Exploit Status
Exploitation requires sending malicious data to the vulnerable function, typically through a compromised application or local access.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Refer to Samsung security updates for specific device models
Vendor Advisory: https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2024-27386/
Restart Required: Yes
Instructions:
1. Check for Samsung security updates on your device. 2. Install the latest security patch from Samsung. 3. Reboot the device after installation.
🔧 Temporary Workarounds
Application Whitelisting
androidRestrict installation of untrusted applications to reduce attack surface
🧯 If You Can't Patch
- Restrict device to trusted applications only
- Implement mobile device management with strict app installation policies
🔍 How to Verify
Check if Vulnerable:
Check device processor model in Settings > About Phone and compare with affected Exynos 1380/1480 processorsCheck Version:
Not applicable - check through device settings interfaceVerify Fix Applied:
Verify security patch level in Settings > About Phone > Software Information matches or exceeds Samsung's patched version📡 Detection & Monitoring
Log Indicators:
- Kernel panic logs
- Memory corruption errors in system logs
- Unexpected process crashes
Network Indicators:
- Not applicable - local vulnerability
SIEM Query:
Not applicable for typical mobile device deployments🔗 References
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2024-27386/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/
- https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2024-27386/
