CVE-2025-44074

Executive Summary

CVE-2025-44074 identifies a SQL injection vulnerability in SeaCMS v13.3, specifically within the admin_topic.php component. This flaw allows an authenticated attacker (or an unauthenticated attacker if the admin panel is exposed) to inject arbitrary SQL commands, potentially leading to data exfiltration, privilege escalation, or complete database compromise. The vulnerability is currently unpatched, and no public proof-of-concept (PoC) or exploit code has been released. The EPSS score is 0.0%, indicating low exploitation activity in the wild, but the risk remains significant for exposed instances.

CVSS Breakdown & Threat Level

• CVSS Score: 0.0 (No vector provided)
• Attack Vector (AV): Network (likely)
• Attack Complexity (AC): Low (likely)
• Privileges Required (PR): Low (admin panel access)
• User Interaction (UI): None
• Scope (S): Unchanged
• Confidentiality (C): High
• Integrity (I): High
• Availability (A): High
• Threat Level: High (due to potential for full database compromise)

Deep Dive & Mechanics

The vulnerability resides in the admin_topic.php file of SeaCMS v13.3. This file handles administrative operations related to topics. The lack of proper input sanitization or parameterized queries allows an attacker to inject SQL commands via user-supplied parameters (likely GET or POST parameters such as id, tid, or action). The injected SQL can be used to bypass authentication, extract sensitive data (user credentials, session tokens), modify database content, or execute system commands if the database user has sufficient privileges.

The attack surface is limited to authenticated users with access to the admin panel. However, if the admin panel is exposed to the internet without proper access controls, an unauthenticated attacker could exploit this by first compromising a low-privilege admin account or by exploiting a separate authentication bypass.

Vulnerable vs. Patched Code

Since no patch is available, a comparison cannot be made. The vulnerable code likely uses string concatenation to build SQL queries, e.g.:

$id = $_GET['id'];
$sql = "SELECT * FROM `sea_topics` WHERE `id` = $id";

A patched version would use prepared statements or parameterized queries:

$id = $_GET['id'];
$stmt = $db->prepare("SELECT * FROM `sea_topics` WHERE `id` = ?");
$stmt->bind_param("i", $id);
$stmt->execute();

Exploitation & Lab Setup

Red Team

1. Setup: Deploy a local SeaCMS v13.3 instance (e.g., using Docker or XAMPP). Ensure the admin panel is accessible.
2. Authentication: Log in with admin credentials (default: admin/admin).
3. Identify Injection Point: Navigate to admin_topic.php and test parameters like id, tid, or action with a single quote (') to trigger a SQL error.
4. Exploit: Use a tool like sqlmap to automate exploitation:

   sqlmap -u "http://target/admin_topic.php?id=1" --cookie="PHPSESSID=your_session" --batch --dbs
   

5. Manual Injection: If sqlmap fails, manually inject:

   id=1 UNION SELECT 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100--
   

Blue Team

1. Detection: Monitor for SQL error messages in logs (e.g., You have an error in your SQL syntax).
2. Prevention: Implement a Web Application Firewall (WAF) rule to block SQL injection patterns.
3. Harden: Restrict admin panel access to trusted IPs only. Use strong, unique passwords.
4. Audit: Review admin_topic.php for unsanitized input and apply parameterized queries.

Indicators of Compromise (IOCs)

• Network:
  • HTTP requests to /admin_topic.php with parameters containing SQL keywords (UNION, SELECT, OR, 1=1).
  • Unusual database error messages in HTTP responses.
• Host:
  • Unexpected database queries in MySQL logs.
  • Modified or new files in the SeaCMS installation directory.
• Logs:
  • Web server logs showing repeated requests to admin_topic.php with varying id values.
  • Database logs showing SELECT * FROM information_schema.tables queries.

Detection Engineering

YARA Rule

rule SeaCMS_SQLi_AdminTopic {
    meta:
        description = "Detects SQL injection attempts targeting SeaCMS admin_topic.php"
        author = "Valters IT"
        date = "2025-04-10"
        reference = "CVE-2025-44074"
    strings:
        $s1 = "admin_topic.php" nocase
        $s2 = "UNION" nocase
        $s3 = "SELECT" nocase
        $s4 = "OR" nocase
        $s5 = "1=1" nocase
    condition:
        $s1 and (any of ($s2, $s3, $s4, $s5))
}

Sigma Rule

title: SeaCMS admin_topic.php SQL Injection Attempt
id: 12345678-1234-1234-1234-123456789012
status: experimental
description: Detects SQL injection attempts targeting SeaCMS admin_topic.php
author: Valters IT
date: 2025/04/10
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2025-44074
logsource:
    category: webserver
    product: apache
    service: http
detection:
    selection:
        cs-method: 'GET'
        cs-uri-query|contains:
            - 'admin_topic.php'
            - 'UNION'
            - 'SELECT'
            - 'OR'
            - '1=1'
    condition: selection
falsepositives:
    - Legitimate admin actions with similar patterns (rare)
level: high

Suricata Rule

alert http any any -> any any (msg:"SeaCMS admin_topic.php SQL Injection Attempt"; flow:to_server,established; content:"admin_topic.php"; http_uri; content:"UNION"; nocase; http_uri; content:"SELECT"; nocase; http_uri; content:"OR"; nocase; http_uri; content:"1=1"; nocase; http_uri; sid:1000001; rev:1;)

Remediation & Mitigation

1. Immediate: Restrict access to the admin panel (/admin/) to trusted IPs only using firewall rules or .htaccess.
2. Short-term: Manually patch admin_topic.php by replacing all direct SQL queries with parameterized statements (PDO or MySQLi prepared statements).
3. Long-term: Upgrade to a patched version of SeaCMS once available. If no patch is released, consider migrating to an alternative CMS.
4. Monitoring: Enable detailed logging for all admin panel requests and database queries. Set up alerts for SQL injection patterns.
5. WAF: Deploy a Web Application Firewall (e.g., ModSecurity) with rules to block SQL injection.

Valters IT