CVE-2024-8270
📋 TL;DR
The macOS Rocket.Chat application has a TCC bypass vulnerability that allows attackers to inject malicious DYLIB files, circumventing macOS security policies. This enables unauthorized access to microphone, camera, automation, and network permissions that should be restricted. All macOS users running vulnerable Rocket.Chat versions are affected.
💻 Affected Systems
- Rocket.Chat
⚠️ 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
Complete compromise of user privacy and system security through unauthorized microphone/camera access, data exfiltration, and potential privilege escalation beyond application sandbox.
Likely Case
Unauthorized access to sensitive permissions like microphone or camera for surveillance, or abuse of automation capabilities to perform unauthorized actions.
If Mitigated
Limited impact if proper macOS security controls are enforced and application runs with minimal necessary permissions.
🎯 Exploit Status
Requires local access or ability to deliver malicious payload to target system. DYLIB injection attacks require some technical sophistication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Not specified
Vendor Advisory: Not provided in CVE
Restart Required: No
Instructions:
1. Check Rocket.Chat vendor website for security updates
2. Update to latest version if patch available
3. Verify application is signed with Hardened Runtime
🔧 Temporary Workarounds
Remove or restrict Rocket.Chat permissions
macosUse macOS Privacy & Security settings to revoke microphone, camera, automation, and network permissions from Rocket.Chat
System Settings > Privacy & Security > [Permission Category] > Remove Rocket.Chat
Run in restricted environment
macosUse macOS sandboxing or run Rocket.Chat in isolated environment with minimal permissions
🧯 If You Can't Patch
- Uninstall Rocket.Chat from affected macOS systems
- Use web version of Rocket.Chat instead of desktop application
🔍 How to Verify
Check if Vulnerable:
Check if Rocket.Chat.app has Hardened Runtime: codesign -dv --verbose=4 /Applications/Rocket.Chat.appCheck Version:
Check Rocket.Chat version in application menu: Rocket.Chat > About Rocket.ChatVerify Fix Applied:
Verify application is signed with Hardened Runtime and Library Validation flags are present📡 Detection & Monitoring
Log Indicators:
- Unusual process injections
- Unexpected DYLIB loads
- TCC permission bypass attempts
Network Indicators:
- Unexpected outbound connections from Rocket.Chat
- Data exfiltration patterns
SIEM Query:
process_name:Rocket.Chat AND (event_type:process_injection OR event_type:dylib_load)