CVE-2024-44734

7.5 HIGH

📋 TL;DR

This vulnerability allows attackers to change usernames arbitrarily in Mirotalk video conferencing systems by sending crafted roomAction requests. It affects all Mirotalk instances running versions before commit 9de226. Attackers can impersonate other users, potentially disrupting meetings and compromising trust.

💻 Affected Systems

Products:
  • Mirotalk
  • MirotalkSFU
Versions: All versions before commit 9de226
Operating Systems: All platforms running Mirotalk
Default Config Vulnerable: ⚠️ Yes
Notes: All Mirotalk deployments using default configurations are vulnerable. The vulnerability is in the core roomAction handling logic.

⚠️ 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.

Recommended Actions:
  1. Review the CVE details at NVD
  2. Check vendor security advisories for your specific version
  3. Test if the vulnerability is exploitable in your environment
  4. Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Attackers could impersonate administrators or key participants, manipulate meeting controls, steal sensitive information shared in meetings, or disrupt critical business communications.

🟠

Likely Case

Attackers change usernames to impersonate other participants, causing confusion, social engineering attacks, or meeting disruption.

🟢

If Mitigated

With proper access controls and authentication, impact is limited to authorized users only making legitimate username changes.

🌐 Internet-Facing: HIGH
🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires sending crafted HTTP requests to the roomAction endpoint. No authentication bypass is mentioned, suggesting attackers need some level of access to rooms.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Commit 9de226 and later

Vendor Advisory: https://github.com/miroslavpejic85/mirotalksfu/blob/main/SECURITY.md

Restart Required: Yes

Instructions:

1. Update Mirotalk to commit 9de226 or later. 2. Pull latest code from GitHub repository. 3. Restart the Mirotalk service. 4. Verify the fix by testing username change functionality.

🔧 Temporary Workarounds

Implement Access Control Validation

all

Add server-side validation to ensure users can only change their own usernames

Modify roomAction handler to verify user identity before processing username changes

Network Segmentation

all

Restrict access to Mirotalk server to trusted networks only

Configure firewall rules to limit incoming connections to Mirotalk ports

🧯 If You Can't Patch

  • Implement network-level monitoring for unusual roomAction requests
  • Enable detailed logging of all username change events and review regularly

🔍 How to Verify

Check if Vulnerable:

Check if your Mirotalk version is before commit 9de226 by examining the git commit history or version metadata

Check Version:

git log --oneline -1

Verify Fix Applied:

Test username change functionality - users should only be able to change their own usernames, not others'

📡 Detection & Monitoring

Log Indicators:

  • Multiple username change requests from single user
  • Username changes for users other than the requester
  • Unusual roomAction patterns

Network Indicators:

  • HTTP POST requests to /roomAction endpoint with username modification parameters
  • Unusual spike in roomAction requests

SIEM Query:

source="mirotalk.log" AND "roomAction" AND "username" AND action="change"

🔗 References

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