CVE-2018-25205: ASP.NET jVideo Kit SQLi Vulnerability

CVE-2018-25205 Overview

ASP.NET jVideo Kit 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to inject SQL commands through the query parameter in the search functionality. Attackers can submit malicious SQL payloads via GET or POST requests to the /search endpoint to extract sensitive database information using boolean-based blind or error-based techniques.

Critical Impact

Unauthenticated attackers can exploit this SQL injection vulnerability to extract sensitive database information, potentially compromising user credentials, personal data, and other confidential information stored in the application's database.

Affected Products

• ASP.NET jVideo Kit 1.0

Discovery Timeline

• 2026-03-26 - CVE CVE-2018-25205 published to NVD
• 2026-03-26 - Last updated in NVD database

Technical Details for CVE-2018-25205

Vulnerability Analysis

This SQL injection vulnerability (CWE-89) exists in the search functionality of ASP.NET jVideo Kit 1.0. The application fails to properly sanitize user-supplied input passed through the query parameter before incorporating it into SQL queries. This allows attackers to manipulate the underlying database queries by injecting arbitrary SQL commands.

The vulnerability is accessible over the network without requiring any authentication or user interaction, making it particularly dangerous for internet-facing deployments. Successful exploitation can lead to unauthorized access to sensitive data stored in the database, including user credentials, video metadata, and potentially configuration information.

Root Cause

The root cause of this vulnerability is improper input validation and failure to use parameterized queries or prepared statements in the search functionality. When user input from the query parameter is directly concatenated into SQL statements without proper sanitization or escaping, the application becomes susceptible to SQL injection attacks.

Attack Vector

The attack vector is network-based, targeting the /search endpoint of the ASP.NET jVideo Kit application. Attackers can craft malicious HTTP GET or POST requests containing SQL injection payloads within the query parameter.

Boolean-based blind SQL injection techniques allow attackers to infer database contents by observing differences in application responses based on true/false conditions injected into queries. Error-based techniques may expose database information through verbose error messages when malformed SQL causes exceptions.

The vulnerability does not require authentication, meaning any network attacker with access to the application can attempt exploitation. Technical details and proof-of-concept information are available through the Exploit-DB entry and the VulnCheck Advisory.

Detection Methods for CVE-2018-25205

Indicators of Compromise

• Unusual or malformed requests to the /search endpoint containing SQL syntax such as single quotes, UNION statements, or comment characters
• Database error messages appearing in application logs or responses indicating SQL syntax errors
• Abnormal database query patterns or excessive database load originating from search functionality
• Evidence of data exfiltration through HTTP responses with unexpected content length

Detection Strategies

• Implement web application firewall (WAF) rules to detect and block common SQL injection patterns in the query parameter
• Monitor application logs for requests containing suspicious SQL keywords such as UNION, SELECT, INSERT, DROP, or comment sequences (--, /*)
• Deploy database activity monitoring to detect anomalous query patterns or unauthorized data access
• Review IIS logs for requests to the /search endpoint with encoded or obfuscated payloads

Monitoring Recommendations

• Enable detailed logging for the ASP.NET application to capture all requests to the search functionality
• Configure alerts for database errors that may indicate SQL injection attempts
• Implement real-time monitoring of outbound data transfers that could indicate successful data exfiltration
• Establish baseline metrics for normal search query patterns to identify anomalous activity

How to Mitigate CVE-2018-25205

Immediate Actions Required

• Disable or restrict access to the /search functionality until a patch can be applied
• Implement input validation and filtering at the web application firewall level to block SQL injection attempts
• Review database permissions to ensure the application uses least-privilege database accounts
• Monitor for any signs of exploitation in existing logs and assess potential data exposure

Patch Information

Consult the vendor MediaSoftPro for official patch availability and upgrade guidance. Users should upgrade to the latest available version that addresses this SQL injection vulnerability.

Workarounds

• Implement parameterized queries or prepared statements in the search functionality if source code access is available
• Deploy a web application firewall with SQL injection detection rules to filter malicious requests
• Restrict network access to the application to trusted IP addresses where feasible
• Consider disabling the vulnerable search functionality entirely if it is not critical to operations

# Example IIS URL Rewrite rule to block common SQL injection patterns
# Add to web.config in the system.webServer section
<rewrite>
  <rules>
    <rule name="BlockSQLInjection" stopProcessing="true">
      <match url=".*" />
      <conditions>
        <add input="{QUERY_STRING}" pattern="(\%27)|(\')|(\-\-)|(\%23)|(#)" />
      </conditions>
      <action type="AbortRequest" />
    </rule>
  </rules>
</rewrite>