CVE-2005-4430 in LogicBill
Summary
by MITRE
SQL injection vulnerability in LogicBill 1.0 and earlier allows remote attackers to execute arbitrary SQL commands via the (1) __mode and (2) __id parameters to helpdesk.php.
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Analysis
by VulDB Data Team • 08/12/2025
The vulnerability identified as CVE-2005-4430 represents a critical SQL injection flaw discovered in LogicBill version 1.0 and earlier systems. This vulnerability specifically affects the helpdesk.php script which processes user input through two distinct parameters named __mode and __id. The flaw stems from inadequate input validation and sanitization mechanisms within the application's database interaction layer, creating an exploitable condition where malicious actors can inject arbitrary SQL commands into the system's backend database operations. The vulnerability operates at the application level and demonstrates a classic lack of proper parameterized queries or input filtering, making it particularly dangerous for remote exploitation.
The technical implementation of this vulnerability aligns with CWE-89, which categorizes SQL injection as a weakness where untrusted data is incorporated into SQL commands without proper sanitization. Attackers can manipulate the __mode and __id parameters to inject malicious SQL payloads that bypass authentication mechanisms, extract sensitive data, modify database records, or even execute destructive operations on the underlying database system. The remote nature of this exploit means that attackers do not require physical access to the system and can potentially leverage this vulnerability from any network location to compromise the application's integrity and confidentiality. The vulnerability's impact extends beyond simple data theft as it can enable full system compromise through database-level attacks.
The operational impact of CVE-2005-4430 is substantial for organizations using affected LogicBill versions, as it creates a persistent security risk that can lead to complete database compromise. Successful exploitation allows attackers to bypass application-level security controls and gain direct access to backend database resources, potentially exposing sensitive customer information, financial data, and system configurations. The vulnerability also provides a pathway for attackers to escalate privileges within the application environment and could facilitate further lateral movement within network infrastructure. Organizations utilizing this software are particularly vulnerable as the flaw exists in the core helpdesk functionality that likely handles critical support tickets and user interactions, making it an attractive target for cybercriminals seeking to exploit business-critical systems.
Mitigation strategies for this vulnerability should prioritize immediate patching and remediation efforts, as the affected LogicBill versions are outdated and no longer supported. Organizations must implement proper input validation and parameterized query mechanisms to prevent similar vulnerabilities from occurring in future applications. The implementation of web application firewalls and input sanitization filters can provide additional layers of protection while patches are being deployed. Security teams should also conduct comprehensive vulnerability assessments to identify other potential SQL injection points within their application portfolios, as this vulnerability demonstrates poor coding practices that may exist elsewhere in the codebase. The ATT&CK framework categorizes this type of vulnerability under T1190 - Exploit Public-Facing Application, emphasizing the need for regular security testing and proper application hardening measures to prevent such exploitation opportunities from being available to threat actors.