CVE-2025-0188
📋 TL;DR
A Server-Side Request Forgery (SSRF) vulnerability in gaizhenbiao/chuanhuchatgpt allows attackers to make the application send requests to internal systems by manipulating URL responses. This affects users running version 20240914 of this ChatGPT-related software, potentially exposing internal network resources to unauthorized access.
💻 Affected Systems
- gaizhenbiao/chuanhuchatgpt
📦 What is this software?
Chuanhuchatgpt by Gaizhenbiao
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of internal systems, data exfiltration from cloud metadata services, lateral movement within networks, and service disruption through internal resource exhaustion.
Likely Case
Unauthorized access to internal HTTP services, port scanning of internal networks, and potential data leakage from internal APIs or services.
If Mitigated
Limited to port scanning and reconnaissance of internal services without authentication bypass or data access.
🎯 Exploit Status
Exploit details are publicly available on huntr.com; SSRF vulnerabilities are commonly weaponized due to their versatility.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 20240915 or later
Vendor Advisory: https://huntr.com/bounties/879d2470-eca5-49c0-b3d1-57469cfff412
Restart Required: Yes
Instructions:
1. Update to version 20240915 or later from the official repository. 2. Restart the application service. 3. Verify the fix by checking the version and testing SSRF vectors.
🔧 Temporary Workarounds
Network Segmentation
linuxRestrict outbound network access from the application server to only necessary external services.
iptables -A OUTPUT -p tcp --dport 80 -j DROP
iptables -A OUTPUT -p tcp --dport 443 -j DROP
Input Validation
allImplement URL validation to reject requests to internal IP ranges and localhost.
🧯 If You Can't Patch
- Deploy a web application firewall (WAF) with SSRF protection rules
- Isolate the application in a restricted network segment with no internal access
🔍 How to Verify
Check if Vulnerable:
Check if the application version is 20240914 by examining the codebase or configuration files.Check Version:
grep -r '20240914' /path/to/chuanhuchatgpt/ or check the repository commit historyVerify Fix Applied:
Test SSRF vectors by attempting to request internal URLs (e.g., http://localhost, http://169.254.169.254) and verify they are blocked or sanitized.📡 Detection & Monitoring
Log Indicators:
- Unusual outbound HTTP requests from the application to internal IPs
- Requests to metadata endpoints (169.254.169.254, 192.168.*)
Network Indicators:
- HTTP traffic from application server to internal network segments
- Port scanning patterns originating from the application
SIEM Query:
source="application_logs" AND (url="*localhost*" OR url="*169.254.169.254*" OR url="*192.168.*" OR url="*10.*")