CVE-2024-6053
📋 TL;DR
This vulnerability allows unintentional clipboard sharing during TeamViewer meetings. When a user joins a meeting, their clipboard content could be exposed to the current presenter without proper access controls. This affects users of vulnerable TeamViewer Full Client and TeamViewer Meeting versions.
💻 Affected Systems
- TeamViewer Full Client
- TeamViewer Meeting
📦 What is this software?
Meeting by Teamviewer
Meeting by Teamviewer
Meeting by Teamviewer
Meeting by Teamviewer
Teamviewer by Teamviewer
⚠️ Risk & Real-World Impact
Worst Case
Sensitive clipboard data (passwords, credentials, confidential information) is exposed to unauthorized meeting presenters who could capture and misuse this information.
Likely Case
Accidental exposure of non-sensitive clipboard content during normal meeting operations, potentially revealing temporary text or data being copied between applications.
If Mitigated
No clipboard exposure occurs; users maintain full control over their clipboard content during meetings.
🎯 Exploit Status
Exploitation requires being in a TeamViewer meeting as a participant while a presenter is active. No special technical skills needed beyond normal meeting participation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: TeamViewer Full Client 15.57+, TeamViewer Meeting 15.55.3+
Vendor Advisory: https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2024-1007/
Restart Required: Yes
Instructions:
1. Open TeamViewer application
2. Go to Help → Check for new version
3. Follow the update prompts
4. Restart TeamViewer after update completes
5. Verify version is 15.57 or higher for Full Client, or 15.55.3 or higher for Meeting
🔧 Temporary Workarounds
Disable Clipboard Synchronization
allTurn off clipboard sharing feature in TeamViewer settings to prevent any clipboard data from being transmitted during meetings.
Clear Clipboard Before Meetings
allManually clear clipboard content (copy blank text) before joining any TeamViewer meetings.
🧯 If You Can't Patch
- Avoid using TeamViewer Meeting functionality with vulnerable versions
- Use alternative meeting solutions until patching is possible
🔍 How to Verify
Check if Vulnerable:
Check TeamViewer version in application → Help → About. If Full Client version is below 15.57 or Meeting version is below 15.55.3, the system is vulnerable.Check Version:
On Windows: Check 'About TeamViewer' in application. On macOS/Linux: TeamViewer → About TeamViewerVerify Fix Applied:
Confirm version is 15.57 or higher for Full Client, or 15.55.3 or higher for Meeting in Help → About dialog.📡 Detection & Monitoring
Log Indicators:
- TeamViewer meeting session logs showing clipboard synchronization events
- Unexpected clipboard access attempts during meetings
Network Indicators:
- TeamViewer meeting traffic with clipboard data packets
- Unusual clipboard synchronization patterns
SIEM Query:
source="TeamViewer" AND (event="clipboard_sync" OR event="meeting_session") AND version<"15.57"