CVE-2023-24108
📋 TL;DR
MvcTools version 6d48cd6830fc1df1d8c9d61caa1805fd6a1b7737 contains a backdoor in its request package dependency that allows remote code execution. Attackers can exploit this to steal sensitive user data and execute arbitrary commands on affected systems. Any application using this specific vulnerable version of MvcTools is at risk.
💻 Affected Systems
- MvcTools
📦 What is this software?
Mvctools by Zetacomponents
⚠️ Risk & Real-World Impact
Worst Case
Complete system compromise leading to data exfiltration, ransomware deployment, lateral movement within networks, and persistent backdoor installation.
Likely Case
Unauthorized access to sensitive information, installation of cryptocurrency miners or botnet clients, and potential data breach.
If Mitigated
Limited impact due to network segmentation, minimal privileges, and proper monitoring catching exploitation attempts early.
🎯 Exploit Status
The backdoor is intentionally placed in the requirements.txt file, making exploitation trivial for attackers who discover vulnerable instances.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Any version other than 6d48cd6830fc1df1d8c9d61caa1805fd6a1b7737
Vendor Advisory: https://github.com/zetacomponents/MvcTools/issues/12
Restart Required: Yes
Instructions:
1. Remove the vulnerable version 6d48cd6830fc1df1d8c9d61caa1805fd6a1b7737. 2. Update to a clean version from the official repository. 3. Verify the request package dependency is from a legitimate source. 4. Restart all affected services.
🔧 Temporary Workarounds
Remove vulnerable version
allCompletely uninstall the backdoored version and replace with a known clean version
pip uninstall MvcTools
pip install MvcTools --no-cache-dir --force-reinstall
Block malicious package source
allPrevent installation from the compromised package source
Add mirrors.neusoft.edu.cn to firewall block rules or package manager blacklist
🧯 If You Can't Patch
- Isolate affected systems from network access immediately
- Implement strict network monitoring and egress filtering to detect data exfiltration
🔍 How to Verify
Check if Vulnerable:
Check if MvcTools version 6d48cd6830fc1df1d8c9d61caa1805fd6a1b7737 is installed in your Python environment
Check Version:
pip show MvcTools | grep Version
Verify Fix Applied:
Confirm the installed version is NOT 6d48cd6830fc1df1d8c9d61caa1805fd6a1b7737 and verify package integrity
📡 Detection & Monitoring
Log Indicators:
- Unexpected network connections from application processes
- Suspicious process execution patterns
- Unauthorized file system modifications
Network Indicators:
- Outbound connections to unknown IPs from application servers
- Unusual data exfiltration patterns
- Command and control beaconing
SIEM Query:
source="application.logs" AND ("MvcTools" OR "6d48cd6830fc1df1d8c9d61caa1805fd6a1b7737") AND (process_execution OR network_connection)
🔗 References
- https://github.com/zetacomponents/MvcTools/
- https://github.com/zetacomponents/MvcTools/issues/12
- https://mirrors.neusoft.edu.cn/pypi/web/simple/request/
- https://github.com/zetacomponents/MvcTools/
- https://github.com/zetacomponents/MvcTools/issues/12
- https://mirrors.neusoft.edu.cn/pypi/web/simple/request/