CVE-2024-12952
📋 TL;DR
This critical vulnerability in melMass comfy_mtb allows remote attackers to execute arbitrary code through command injection in the Dependency Handler's run_command function. Attackers can exploit this to take full control of affected systems. Users of comfy_mtb versions up to 0.1.4 are affected.
💻 Affected Systems
- melMass comfy_mtb
⚠️ 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 system compromise allowing attackers to execute arbitrary commands, install malware, exfiltrate data, or pivot to other systems.
Likely Case
Remote code execution leading to data theft, service disruption, or deployment of ransomware/cryptominers.
If Mitigated
Limited impact if proper network segmentation, least privilege, and input validation are implemented.
🎯 Exploit Status
Exploit details are publicly disclosed in GitHub issues; remote exploitation without authentication is possible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: patched in commit d6e004cce2c32f8e48b868e66b89f82da4887dc3
Vendor Advisory: https://github.com/melMass/comfy_mtb/commit/d6e004cce2c32f8e48b868e66b89f82da4887dc3
Restart Required: Yes
Instructions:
1. Update comfy_mtb to version after commit d6e004cce2c32f8e48b868e66b89f82da4887dc3. 2. Restart the application/service. 3. Verify the patch is applied by checking the version.
🔧 Temporary Workarounds
Disable Dependency Handler
allTemporarily disable the vulnerable Dependency Handler component if not essential.
Modify configuration to disable endpoint.py or remove dependency handler functionality
Network Restriction
linuxRestrict network access to comfy_mtb endpoints using firewall rules.
iptables -A INPUT -p tcp --dport [comfy_mtb_port] -s [trusted_ips] -j ACCEPT
iptables -A INPUT -p tcp --dport [comfy_mtb_port] -j DROP
🧯 If You Can't Patch
- Implement strict input validation and sanitization for all user inputs to the run_command function.
- Deploy application-level firewall (WAF) with command injection rules and monitor for suspicious activity.
🔍 How to Verify
Check if Vulnerable:
Check if comfy_mtb version is 0.1.4 or earlier by examining the package version or commit hash in the installation.Check Version:
Check the comfy_mtb version in your package manager or run: python -c "import comfy_mtb; print(comfy_mtb.__version__)" if installed as Python packageVerify Fix Applied:
Verify the commit hash includes d6e004cce2c32f8e48b868e66b89f82da4887dc3 or version is above 0.1.4.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution patterns in application logs
- Suspicious process spawns from comfy_mtb
- Error logs showing command injection attempts
Network Indicators:
- Unexpected outbound connections from comfy_mtb process
- Traffic to known malicious IPs
SIEM Query:
source="comfy_mtb" AND (command="*;*" OR command="*|*" OR command="*`*" OR command="*$(*")🔗 References
- https://github.com/melMass/comfy_mtb/commit/d6e004cce2c32f8e48b868e66b89f82da4887dc3
- https://github.com/melMass/comfy_mtb/issues/224
- https://github.com/melMass/comfy_mtb/issues/224#issuecomment-2552664778
- https://github.com/melMass/comfy_mtb/issues/224#issuecomment-2553432365
- https://vuldb.com/?ctiid.289315
- https://vuldb.com/?id.289315
- https://vuldb.com/?submit.468683
- https://github.com/melMass/comfy_mtb/issues/224
- https://github.com/melMass/comfy_mtb/issues/224#issuecomment-2552664778
- https://github.com/melMass/comfy_mtb/issues/224#issuecomment-2553432365
