CVE-2024-28892
📋 TL;DR
An unauthenticated OS command injection vulnerability in GoCast 1.1.3 allows attackers to execute arbitrary commands on affected systems by sending specially crafted HTTP requests. This affects all systems running the vulnerable version of GoCast, potentially leading to complete system compromise.
💻 Affected Systems
- GoCast
📦 What is this software?
Gocast by Mayuresh82
⚠️ Risk & Real-World Impact
Worst Case
Full system compromise with attacker gaining root/system privileges, installing persistent backdoors, stealing sensitive data, and pivoting to other network systems.
Likely Case
Remote code execution leading to cryptocurrency mining, ransomware deployment, or data exfiltration from the compromised system.
If Mitigated
Limited impact if system is isolated, properly segmented, and has strict egress filtering preventing command and control communication.
🎯 Exploit Status
The vulnerability is trivial to exploit with publicly available proof-of-concept code. No authentication required.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: No official vendor advisory found
Restart Required: No
Instructions:
1. Check for updated version from GoCast developers
2. If no patch available, implement workarounds immediately
3. Consider replacing with alternative software if patching not possible
🔧 Temporary Workarounds
Network Access Control
linuxRestrict network access to GoCast service using firewall rules
iptables -A INPUT -p tcp --dport [GOCAST_PORT] -s [TRUSTED_NETWORK] -j ACCEPT
iptables -A INPUT -p tcp --dport [GOCAST_PORT] -j DROP
Application Firewall/WAF
allDeploy web application firewall to block malicious HTTP requests containing command injection patterns
🧯 If You Can't Patch
- Immediately isolate affected systems from internet and restrict internal network access
- Implement strict egress filtering to prevent command and control communication from compromised systems
🔍 How to Verify
Check if Vulnerable:
Check GoCast version: If running version 1.1.3, system is vulnerable. Test with controlled payload: curl -X POST http://[TARGET]:[PORT]/vulnerable_endpoint -d 'name=$(id)'Check Version:
Check GoCast configuration files or running process for version informationVerify Fix Applied:
Verify GoCast version is no longer 1.1.3. Test with same payload to confirm command injection no longer works.📡 Detection & Monitoring
Log Indicators:
- Unusual command execution in system logs
- HTTP requests with shell metacharacters in parameters
- Process execution from web server user context
Network Indicators:
- HTTP POST requests to GoCast endpoints with shell commands in parameters
- Outbound connections from GoCast server to suspicious IPs
SIEM Query:
source="web_logs" AND uri="*GoCast*" AND (param="*$(*" OR param="*`*" OR param="*;*" OR param="*|*" OR param="*&*" OR param="*>*" OR param="*<*")