CVE-2023-29622 in Purchase Order Management
Summary
by MITRE • 04/14/2023
Purchase Order Management v1.0 was discovered to contain a SQL injection vulnerability via the password parameter at /purchase_order/admin/login.php.
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Analysis
by VulDB Data Team • 04/30/2023
The vulnerability identified as CVE-2023-29622 represents a critical security flaw in the Purchase Order Management v1.0 software system, specifically within its administrative login functionality. This issue manifests as a SQL injection vulnerability that occurs when processing user input through the password parameter field in the /purchase_order/admin/login.php endpoint. The flaw fundamentally compromises the integrity of the application's database interaction mechanisms, creating a pathway for unauthorized access and data manipulation.
This SQL injection vulnerability stems from inadequate input validation and sanitization practices within the application's authentication module. The password parameter, which should normally be treated as a simple string input, becomes a vector for malicious SQL code execution when user-supplied data is directly concatenated into SQL query structures without proper escaping or parameterization. The vulnerability aligns with CWE-89, which specifically addresses SQL injection flaws where untrusted data is incorporated into database queries without adequate protection mechanisms. The attack surface is particularly concerning as it targets the administrative login interface, which typically holds the highest privileges within the system.
The operational impact of this vulnerability extends beyond simple unauthorized access, potentially enabling attackers to escalate privileges, extract sensitive data, modify database records, or even execute arbitrary commands on the underlying database server. Given that the vulnerability exists in a login page, successful exploitation could result in complete system compromise, allowing threat actors to gain administrative control over the purchase order management system. This creates risks for data confidentiality, integrity, and availability, potentially exposing sensitive procurement information, vendor details, and financial data. The vulnerability also enables reconnaissance activities where attackers can map database structures and extract additional information through advanced SQL injection techniques.
Mitigation strategies should prioritize immediate patching of the affected application version and implementation of proper input validation mechanisms. The solution requires adopting parameterized queries or prepared statements to ensure that user input cannot be interpreted as SQL code. Additionally, implementing proper authentication controls including account lockout mechanisms, rate limiting, and input sanitization should be enforced. Security measures should also include regular vulnerability assessments, web application firewalls, and network segmentation to limit the potential impact of such vulnerabilities. The remediation process should follow established security frameworks and best practices, including the implementation of least privilege access controls and comprehensive logging to detect potential exploitation attempts. This vulnerability highlights the critical importance of secure coding practices and the necessity of regular security testing in preventing database-related attacks that can compromise entire enterprise systems.