CVE-2007-5372 in SQL-Ledger
Summary
by MITRE
Multiple SQL injection vulnerabilities in (a) LedgerSMB 1.0.0 through 1.2.7 and (b) DWS Systems SQL-Ledger 2.x allow remote attackers to execute arbitrary SQL commands via (1) the invoice quantity field or (2) the sort field.
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Analysis
by VulDB Data Team • 01/04/2019
The vulnerability identified as CVE-2007-5372 represents a critical SQL injection flaw affecting two widely used accounting and financial software systems LedgerSMB 1.0.0 through 1.2.7 and DWS Systems SQL-Ledger 2.x. This vulnerability stems from inadequate input validation and improper parameter handling within the web applications' database interaction layers, creating exploitable pathways for malicious actors to manipulate backend database operations. The flaw specifically manifests in two distinct attack vectors: the invoice quantity field and the sort field, both of which are commonly used in financial data processing workflows where user input directly influences database queries.
The technical implementation of this vulnerability falls under CWE-89, which categorizes SQL injection as a weakness where untrusted data is incorporated into SQL commands without proper sanitization or parameterization. Attackers can exploit these vulnerabilities by crafting malicious input that alters the intended SQL query structure, potentially allowing them to execute unauthorized database operations. When an attacker submits specially crafted data into the invoice quantity field or sort field, the application fails to properly escape or validate the input before incorporating it into database queries, thereby enabling arbitrary SQL command execution. This type of vulnerability operates at the application layer and can be classified under the ATT&CK technique T1071.004 for application layer protocol tunneling, though more directly related to T1213.002 for data from information repositories.
The operational impact of CVE-2007-5372 is severe and multifaceted, particularly for organizations relying on these financial applications for critical business operations. Successful exploitation could result in complete database compromise, allowing attackers to extract sensitive financial information, modify transaction records, or even delete critical accounting data. The vulnerability affects systems handling invoice processing and data sorting functionalities, which are fundamental to financial operations, making the potential damage substantial. Organizations may face regulatory compliance violations, financial losses, and reputational damage if these vulnerabilities are exploited. The attack surface is particularly concerning as these applications are commonly used in small to medium enterprises where security resources may be limited, making such vulnerabilities attractive targets for cybercriminals.
Mitigation strategies for CVE-2007-5372 require immediate implementation of proper input validation and parameterized queries. Organizations should upgrade to patched versions of LedgerSMB 1.3.0 or later and SQL-Ledger 3.x, as these releases contain the necessary security fixes. Additionally, implementing proper input sanitization, using prepared statements with parameterized queries, and employing web application firewalls can provide layered protection against similar vulnerabilities. Regular security assessments and code reviews should focus on database interaction points to prevent similar injection flaws. The vulnerability demonstrates the critical importance of secure coding practices and proper input handling in financial applications, as these systems often process sensitive data that requires robust security controls to prevent unauthorized access and data manipulation.