CVE-2024-22523
📋 TL;DR
A directory traversal vulnerability in Qiyu iFair's uploadimage component allows remote attackers to access sensitive files outside the intended directory. This affects all Qiyu iFair versions 23.8_ad0 and earlier. Attackers can potentially read configuration files, credentials, or other sensitive data.
💻 Affected Systems
- Qiyu iFair
📦 What is this software?
Ifair by Fuwushe
⚠️ Risk & Real-World Impact
Worst Case
Attackers exfiltrate database credentials, SSH keys, or configuration files leading to complete system compromise and data breach.
Likely Case
Attackers read application configuration files containing sensitive information like API keys or database connection strings.
If Mitigated
Attackers can only access non-sensitive files or are blocked by proper input validation and directory restrictions.
🎯 Exploit Status
Directory traversal vulnerabilities typically require minimal technical skill to exploit once the vulnerable endpoint is identified.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Unknown
Vendor Advisory: https://www.yuque.com/for82/vdzwqe/sc8ictw8poo8v5gl
Restart Required: No
Instructions:
1. Contact Qiyu iFair vendor for patch information. 2. Monitor vendor advisory for updates. 3. Apply patch when available following vendor instructions.
🔧 Temporary Workarounds
Disable uploadimage component
allTemporarily disable or block access to the vulnerable uploadimage endpoint
# Use web server configuration to block /uploadimage path
# Example for Apache: RewriteRule ^/uploadimage - [F]
# Example for Nginx: location /uploadimage { deny all; }
Implement WAF rules
allConfigure web application firewall to block directory traversal patterns
# Example ModSecurity rule: SecRule ARGS "@contains ../" "id:1001,phase:2,deny"
🧯 If You Can't Patch
- Implement strict input validation to reject any paths containing '../' or similar traversal sequences
- Configure application to run with minimal file system permissions and use chroot/jail environments
🔍 How to Verify
Check if Vulnerable:
Test if the uploadimage endpoint accepts paths with '../' sequences by attempting to access known files like /etc/passwd or application configuration files.Check Version:
Check application version in admin interface or configuration files for version string containing '23.8_ad0' or earlier.Verify Fix Applied:
Retest the uploadimage endpoint with traversal sequences to confirm they are properly rejected or sanitized.📡 Detection & Monitoring
Log Indicators:
- HTTP requests to uploadimage endpoint containing '../' sequences
- Unusual file access patterns from web application user
Network Indicators:
- HTTP requests with path traversal payloads to uploadimage endpoint
SIEM Query:
source="web_logs" AND uri="/uploadimage" AND (uri="*../*" OR params="*../*")