CVE-2006-5606 in BytesFall Explorer
Summary
by MITRE
Multiple SQL injection vulnerabilities in BytesFall Explorer (bfExplorer) 0.0.7.1 and earlier allow remote attackers to execute arbitrary SQL commands via the username ($User variable) to login/doLogin.php and other unspecified vectors.
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Analysis
by VulDB Data Team • 04/25/2026
The CVE-2006-5606 vulnerability represents a critical SQL injection flaw in BytesFall Explorer version 0.0.7.1 and earlier, exposing the application to remote code execution through improper input validation. This vulnerability specifically targets the username parameter within the login/doLogin.php script where the $User variable is directly incorporated into SQL queries without adequate sanitization or parameterization. The flaw enables attackers to manipulate database queries by injecting malicious SQL constructs through the login interface, potentially allowing full database access and arbitrary command execution on the underlying system.
The technical implementation of this vulnerability stems from the application's failure to properly escape or parameterize user input before incorporating it into database queries. When users attempt to log in, the username value is directly concatenated into SQL statements without any input validation or sanitization measures. This design flaw creates an environment where malicious actors can inject SQL payloads that bypass authentication mechanisms and gain unauthorized access to sensitive data. The vulnerability operates at the application layer and can be exploited through standard web application attack vectors, making it particularly dangerous due to its remote exploitability.
From an operational perspective, this vulnerability poses significant risks to organizations using affected versions of BytesFall Explorer. Attackers can leverage the SQL injection to extract confidential information including user credentials, personal data, and potentially system configuration details. The impact extends beyond simple data theft as successful exploitation could lead to complete system compromise through database manipulation, privilege escalation, and unauthorized access to backend systems. The vulnerability affects the authentication mechanism itself, making it particularly dangerous as it undermines the fundamental security controls designed to protect user access.
The vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws in software applications, and demonstrates characteristics consistent with ATT&CK technique T1190 for exploiting vulnerabilities in web applications. Organizations should implement immediate mitigations including upgrading to patched versions of BytesFall Explorer, implementing proper input validation and parameterized queries, and deploying web application firewalls to detect and block malicious SQL injection attempts. Additionally, database access controls should be reviewed to ensure least privilege principles are enforced, and regular security assessments should be conducted to identify similar vulnerabilities in other applications. The remediation process should also include thorough code review to prevent similar issues in future development cycles and implementation of automated security testing during the software development lifecycle.