CVE-2012-0939 in TestLink
Summary
by MITRE
Multiple SQL injection vulnerabilities in TestLink 1.8.5b and earlier allow remote authenticated users with the Requirement view permission to execute arbitrary SQL commands via the req_spec_id parameter to (1) reqSpecAnalyse.php, (2) reqSpecPrint.php, or (3) reqSpecView.php in requirements/. NOTE: some of these details are obtained from third party information.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 03/11/2019
The vulnerability identified as CVE-2012-0939 represents a critical SQL injection flaw affecting TestLink versions 1.8.5b and earlier. This vulnerability resides within the requirements module of the TestLink test management system, specifically targeting three distinct PHP scripts that handle requirement specification operations. The flaw allows authenticated users with minimal permissions to escalate their privileges and execute arbitrary SQL commands on the underlying database server, creating a significant security risk for organizations relying on this test management platform.
The technical exploitation of this vulnerability occurs through manipulation of the req_spec_id parameter within the reqSpecAnalyse.php, reqSpecPrint.php, and reqSpecView.php scripts located in the requirements/ directory. When these scripts process user input without proper sanitization or parameterized query execution, attackers can inject malicious SQL payloads that bypass authentication checks and directly interact with the database backend. This represents a classic SQL injection vulnerability classified under CWE-89, which specifically addresses improper neutralization of special elements used in SQL commands. The vulnerability's impact is amplified by the fact that it requires only the Requirement view permission, making it accessible to users who should theoretically only have read access to requirement specifications.
The operational implications of this vulnerability extend beyond simple data theft or modification. Attackers could potentially escalate privileges within the database, access sensitive test data, manipulate test results, or even gain access to other system resources that might be connected to the same database infrastructure. The remote execution capability means that attackers do not need physical access to the system, making the vulnerability particularly dangerous in environments where TestLink is exposed to untrusted networks. This vulnerability aligns with ATT&CK technique T1071.005, which covers application layer protocol manipulation, and T1213.002, concerning data from information repositories, as it enables unauthorized access to stored test data and requirement specifications.
Organizations utilizing TestLink versions prior to 1.8.5b should immediately implement mitigation strategies to protect their systems. The primary recommendation involves upgrading to the latest stable version of TestLink where this vulnerability has been patched and properly addressed. Additionally, implementing input validation and parameterized queries in the affected scripts would provide defense-in-depth measures against similar vulnerabilities. Network segmentation and access controls should be enforced to limit the exposure of the TestLink application to untrusted networks. Security monitoring should be enhanced to detect unusual database access patterns or SQL query execution that might indicate exploitation attempts. The vulnerability demonstrates the importance of proper input validation and parameterized queries in preventing SQL injection attacks, reinforcing best practices outlined in OWASP Top Ten and NIST cybersecurity guidelines for secure software development.