CVE-2024-7697
📋 TL;DR
A logical vulnerability in the CarlCare mobile application (com.transsion.carlcare) exposes user information to unauthorized access. This affects users of Transsion mobile devices (Tecno, Infinix, Itel brands) who have the CarlCare app installed. The vulnerability stems from improper exposure of sensitive data through the app's components.
💻 Affected Systems
- CarlCare mobile application
📦 What is this software?
Carlcare by Transsion
⚠️ Risk & Real-World Impact
Worst Case
Attackers could access sensitive user data including personal information, device details, and potentially authentication tokens, leading to identity theft or account compromise.
Likely Case
Malicious apps or attackers with physical access could extract user information from the vulnerable application, compromising privacy.
If Mitigated
With proper app sandboxing and security controls, the impact is limited to data accessible only within the app's own storage.
🎯 Exploit Status
Exploitation requires malicious app installation or physical device access. No public exploit code has been disclosed.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Updated version via Google Play Store
Vendor Advisory: https://security.tecno.com/SRC/securityUpdates?type=SA
Restart Required: No
Instructions:
1. Open Google Play Store 2. Search for 'CarlCare' 3. Tap 'Update' if available 4. Alternatively, uninstall and reinstall the app
🔧 Temporary Workarounds
Disable or Remove CarlCare App
androidUninstall or disable the vulnerable CarlCare application to eliminate the risk
Restrict App Permissions
androidReview and restrict unnecessary permissions for the CarlCare app in device settings
🧯 If You Can't Patch
- Isolate device from sensitive networks and data
- Monitor for unusual app behavior or data access attempts
🔍 How to Verify
Check if Vulnerable:
Check CarlCare app version in Google Play Store or device app settings. Versions before the security update are vulnerable.
Check Version:
No command line option. Check via: Settings > Apps > CarlCare > App info
Verify Fix Applied:
Verify CarlCare app has been updated to latest version in Google Play Store (shows 'Updated on [date]')
📡 Detection & Monitoring
Log Indicators:
- Unusual access to CarlCare app components
- Permission violations related to CarlCare
Network Indicators:
- Unexpected data exfiltration from device
SIEM Query:
Not applicable for mobile app vulnerability detection