CVE-2023-41820
📋 TL;DR
This vulnerability in Motorola Ready For application allows local attackers to read information about connected Bluetooth audio devices through implicit intents. It affects users of Motorola devices with the Ready For application installed. The attacker must have physical access or local execution capability on the device.
💻 Affected Systems
- Motorola Ready For application
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Local attacker could enumerate all connected Bluetooth audio devices, potentially revealing device names, MAC addresses, and connection patterns that could be used for further attacks or privacy violations.
Likely Case
Local attacker reads Bluetooth device information, potentially revealing device names and connection history without user consent.
If Mitigated
With proper application sandboxing and intent restrictions, impact is limited to information disclosure about Bluetooth peripherals only.
🎯 Exploit Status
Exploitation requires local access to the device. The vulnerability involves implicit intents that could be triggered by malicious local applications.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Update available through Motorola security updates
Vendor Advisory: https://en-us.support.motorola.com/app/answers/detail/a_id/178878
Restart Required: Yes
Instructions:
1. Check for system updates in Settings > System > System updates. 2. Install available security updates. 3. Restart device after installation.
🔧 Temporary Workarounds
Disable Ready For application
androidTemporarily disable the Ready For application to prevent exploitation
Settings > Apps > Ready For > Disable
Restrict Bluetooth permissions
androidRemove Bluetooth permissions from Ready For application
Settings > Apps > Ready For > Permissions > Bluetooth > Deny
🧯 If You Can't Patch
- Implement device access controls to prevent unauthorized local access
- Monitor for suspicious local application installations and activity
🔍 How to Verify
Check if Vulnerable:
Check Ready For app version in Settings > Apps > Ready For. If version is prior to security update, device is vulnerable.Check Version:
Settings > Apps > Ready For > App info (version displayed)Verify Fix Applied:
Verify Ready For app has been updated to latest version and check that security patch level is current in Settings > About phone > Android version.📡 Detection & Monitoring
Log Indicators:
- Unusual Bluetooth permission requests from Ready For app
- Multiple intent broadcasts to Ready For component
Network Indicators:
- None - local vulnerability only
SIEM Query:
app:'com.motorola.readyfor' AND (permission:'android.permission.BLUETOOTH' OR intent:'android.intent.action.*')