CVE-2018-25189
📋 TL;DR
CVE-2018-25189 is an SQL injection vulnerability in Data Center Audit 2.6.2 that allows unauthenticated attackers to execute arbitrary SQL queries through the username parameter in dca_login.php. This enables extraction of sensitive database information including credentials, database structures, and system details. Organizations running vulnerable versions of Data Center Audit are affected.
💻 Affected Systems
- Data Center Audit
⚠️ Manual Verification Required
This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.
Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).
🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.
- Review the CVE details at NVD
- Check vendor security advisories for your specific version
- Test if the vulnerability is exploitable in your environment
- Consider updating to the latest version as a precaution
⚠️ Risk & Real-World Impact
Worst Case
Complete database compromise leading to credential theft, data exfiltration, privilege escalation, and potential remote code execution through database functions.
Likely Case
Extraction of sensitive database information including usernames, passwords, database schemas, and potentially gaining administrative access to the application.
If Mitigated
Limited information disclosure if proper input validation and parameterized queries are implemented, with minimal impact on overall system security.
🎯 Exploit Status
Exploit code is publicly available and requires minimal technical skill to execute. The vulnerability is in the login page, making it easily accessible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 2.6.3 or later
Vendor Advisory: https://www.vulncheck.com/advisories/data-center-audit-sql-injection-via-username-parameter
Restart Required: Yes
Instructions:
1. Download the latest version from the vendor. 2. Backup current installation and database. 3. Stop the Data Center Audit service. 4. Install the updated version. 5. Restart the service. 6. Verify functionality.
🔧 Temporary Workarounds
Input Validation Filter
allImplement input validation to reject SQL special characters in the username parameter
Modify dca_login.php to add input sanitization before SQL query execution
Web Application Firewall
allDeploy WAF rules to block SQL injection patterns in POST requests to dca_login.php
Add WAF rule: Block requests containing SQL keywords in username parameter
🧯 If You Can't Patch
- Implement network segmentation to restrict access to Data Center Audit to trusted IP addresses only
- Deploy a reverse proxy with input validation and rate limiting for the login endpoint
🔍 How to Verify
Check if Vulnerable:
Test with SQL injection payload in username parameter: ' OR '1'='1
Check Version:
Check version in application interface or configuration files
Verify Fix Applied:
Attempt SQL injection with same payload; should receive error or rejection instead of successful login
📡 Detection & Monitoring
Log Indicators:
- Multiple failed login attempts with SQL keywords in username field
- Unusual database queries from web application user
Network Indicators:
- POST requests to dca_login.php containing SQL injection patterns
- Unusual outbound database connections from web server
SIEM Query:
source="web_logs" AND uri="/dca_login.php" AND (username CONTAINS "' OR" OR username CONTAINS "UNION" OR username CONTAINS "SELECT")