CVE-2025-9102
📋 TL;DR
This vulnerability in the 1&1 Mail & Media mail.com Android app allows improper export of application components via AndroidManifest.xml, enabling local attackers to potentially access sensitive app functionality. It affects users of version 8.8.0 on Android devices. The exploit is publicly disclosed and could be leveraged by malicious apps installed on the same device.
💻 Affected Systems
- 1&1 Mail & Media mail.com App
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Malicious local app could access sensitive mail functionality, potentially reading emails, contacts, or authentication tokens without user consent.
Likely Case
Local privilege escalation allowing unauthorized access to app components, potentially exposing user data to other installed malicious applications.
If Mitigated
With proper Android security controls and app sandboxing, impact is limited to data within the vulnerable app's scope.
🎯 Exploit Status
Exploit requires local access and malicious app installation; proof-of-concept available in GitHub repository.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: UNKNOWN
Vendor Advisory: NONE
Restart Required: No
Instructions:
No official patch available. Vendor did not respond to disclosure. Consider alternative mail clients.
🔧 Temporary Workarounds
Uninstall vulnerable app
androidRemove the vulnerable mail.com app version 8.8.0 from Android devices
Settings > Apps > mail.com > Uninstall
Use alternative mail client
androidSwitch to a different, patched email application
🧯 If You Can't Patch
- Restrict app installation to trusted sources only via Android settings
- Enable Google Play Protect and keep device security updates current
🔍 How to Verify
Check if Vulnerable:
Check app version in Android Settings > Apps > mail.com > App info. If version is 8.8.0, device is vulnerable.Check Version:
adb shell dumpsys package com.mail.mobile.android.mail | grep versionNameVerify Fix Applied:
Verify app is either uninstalled or updated to a version later than 8.8.0 (if available).📡 Detection & Monitoring
Log Indicators:
- Android system logs showing unauthorized component access attempts
- App crash logs related to exported components
Network Indicators:
- N/A - local vulnerability only
SIEM Query:
N/A - local device vulnerability🔗 References
- https://github.com/KMov-g/androidapps/blob/main/com.mail.mobile.android.mail.md
- https://github.com/KMov-g/androidapps/blob/main/com.mail.mobile.android.mail.md#steps-to-reproduce
- https://vuldb.com/?ctiid.320424
- https://vuldb.com/?id.320424
- https://vuldb.com/?submit.628264
- https://github.com/KMov-g/androidapps/blob/main/com.mail.mobile.android.mail.md
- https://github.com/KMov-g/androidapps/blob/main/com.mail.mobile.android.mail.md#steps-to-reproduce
