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How the CVE Works:
CVE-2025-39349 exploits insecure deserialization in Potenzaglobalsolutions CiyaShop (versions up to 4.18.0). Attackers inject malicious serialized objects into user-controlled input (e.g., HTTP parameters, cookies). When the application deserializes this data without proper validation, it triggers arbitrary object instantiation, enabling remote code execution (RCE). The flaw stems from missing sanitization in PHP’s `unserialize()` or equivalent methods, allowing attackers to chain gadget classes for exploitation.
DailyCVE Form:
Platform: CiyaShop
Version: ≤ 4.18.0
Vulnerability: Object Injection
Severity: Critical
Date: 05/29/2025
Prediction: Patch expected by 06/15/2025
What Undercode Say:
Analytics:
- Exploit Likelihood: High (public PoCs expected post-patch).
- Attack Surface: Web-facing CiyaShop instances with user input handling.
- Mitigation Rate: Low (legacy versions widely deployed).
Exploit Commands:
1. Payload Generation (PHP):
<?php
class Exploit { public $cmd = 'id'; }
echo urlencode(serialize(new Exploit));
?>
2. Curl Exploit:
curl -X POST http://target.com/vuln_endpoint --data "data=$(php generate_payload.php)"
Protection Commands:
1. Input Validation:
if (!preg_match('/^[a-zA-Z0-9]+$/', $_POST['data'])) { die("Invalid input"); }
2. Disable Deserialization:
// Replace unserialize() with JSON decode $data = json_decode($_POST['data'], true);
3. WAF Rule (ModSecurity):
SecRule REQUEST_BODY "@rx (O:\d+:)" "deny,log,msg:'PHP Deserialization Attack'"
Detection Code (Python):
import requests
response = requests.post(target_url, data={"data": "malicious_serialized"})
if "unserialize()" in response.text:
print("Vulnerable to CVE-2025-39349")
Patch Verification:
grep -r "unserialize(" /var/www/ciyashop/
(No results = patched).
No further commentary.
Sources:
Reported By: nvd.nist.gov
Extra Source Hub:
Undercode
