OpenDocMan SQLi Vulnerability (CVE-2019-25684)

Overview

CVE-2019-25684 is a significant SQL injection vulnerability in OpenDocMan version 1.3.4. The flaw exists in the search.php file, where the application fails to properly sanitize user input passed via the where parameter in a GET request. This allows attackers to inject and execute arbitrary SQL commands directly on the underlying database.

Technical Details and Impact

The vulnerability’s high severity (CVSS 8.2) stems from its ease of exploitation. Attackers can target the system remotely over a network without needing any authentication or user interaction. By crafting a malicious request with SQL code in the where parameter, an attacker can manipulate database queries.

The primary impact is the complete compromise of the database’s confidentiality. Attackers can exfiltrate sensitive information, which may include user credentials, document metadata, access logs, and other proprietary data stored within the OpenDocMan application. In some cases, successful exploitation could also lead to data manipulation or a denial-of-service condition. For context on the risks of data exposure, recent incidents are detailed in our breach reports.

Remediation and Mitigation

The most effective remediation is to upgrade OpenDocMan to a patched version immediately. Users of version 1.3.4 must apply the official fix provided by the vendor. If an immediate upgrade is not possible, consider the following temporary mitigation strategies:

• Input Validation and Sanitization: Implement strict allow-list input validation on the where parameter at the application level to reject any non-conforming data.
• Web Application Firewall (WAF): Deploy or configure a WAF to block requests containing common SQL injection patterns targeting the search.php endpoint.
• Network Segmentation: Restrict network access to the OpenDocMan interface to only trusted users and networks, reducing its attack surface.

After patching, a thorough review of database and application logs for any signs of anomalous activity or attempted exploitation is strongly recommended.

Security Insight

This vulnerability highlights the persistent risk of SQL injection in legacy or niche web applications that may not undergo rigorous security audits. Similar to flaws in other document management systems, CVE-2019-25684 underscores how a single unsanitized parameter can expose an entire application’s data store, a fundamental issue that continues to dominate vulnerability reports. For ongoing coverage of such threats, follow our security news.

Further Reading

• All High Vulnerabilities
• Recent Critical Vulnerabilities
• Top Critical CVEs