CVE-2024-35537
📋 TL;DR
The TVS Connect mobile application insecurely handles RSA key pairs, potentially allowing attackers to decrypt sensitive information transmitted by the app. This affects all users of TVS Connect Android v4.6.0 and iOS v5.0.0 who use the app to connect with TVS vehicles.
💻 Affected Systems
- TVS Connect Android Application
- TVS Connect iOS Application
📦 What is this software?
Tvs Connect by Tvsmotor
Tvs Connect by Tvsmotor
⚠️ Risk & Real-World Impact
Worst Case
Attackers could decrypt all sensitive data transmitted between the app and vehicles, including location data, vehicle status, personal information, and potentially gain unauthorized access to vehicle functions.
Likely Case
Attackers intercepting app communications could access personal user data, trip history, and vehicle telemetry information.
If Mitigated
With proper network segmentation and encryption controls, impact is limited to data exposure within the app's communication scope.
🎯 Exploit Status
The vulnerability is in the cryptographic implementation, making exploitation straightforward once the insecure key handling is understood.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: None available
Restart Required: Yes
Instructions:
1. Check for app updates in Google Play Store or Apple App Store. 2. Update to the latest version if available. 3. Restart the application after update.
🔧 Temporary Workarounds
Disable App Usage
allStop using the vulnerable TVS Connect application until a patch is available.
Network Segmentation
allRestrict the app's network access to trusted networks only.
🧯 If You Can't Patch
- Uninstall the TVS Connect application from all devices
- Use alternative methods for vehicle connectivity if available
🔍 How to Verify
Check if Vulnerable:
Check app version in settings: Android v4.6.0 or iOS v5.0.0 indicates vulnerability.Check Version:
Android: Settings > Apps > TVS Connect > App info. iOS: Settings > General > iPhone Storage > TVS ConnectVerify Fix Applied:
Verify app version is higher than Android v4.6.0 or iOS v5.0.0 after update.📡 Detection & Monitoring
Log Indicators:
- Unusual decryption errors
- Failed authentication attempts with vehicle systems
Network Indicators:
- Unusual traffic patterns from TVS Connect app
- Intercepted encrypted communications showing decryption attempts
SIEM Query:
source="mobile_app_logs" app_name="TVS Connect" (error="decryption" OR error="crypto")