CVE-2018-19436 in webERP
Summary
by MITRE
An issue was discovered in the Manufacturing component in webERP 4.15. CollectiveWorkOrderCost.php has Blind SQL Injection via the SearchParts parameter.
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Analysis
by VulDB Data Team • 04/14/2020
The vulnerability identified as CVE-2018-19436 represents a critical blind sql injection flaw within the manufacturing component of webERP version 4.15. This issue specifically affects the CollectiveWorkOrderCost.php script which processes user input through the SearchParts parameter without adequate sanitization or validation. The vulnerability arises from insufficient input filtering mechanisms that allow malicious actors to inject sql commands into the application's database layer through the web interface.
The technical exploitation of this vulnerability occurs when an attacker submits crafted sql payload through the SearchParts parameter in the CollectiveWorkOrderCost.php script. The application fails to properly escape or validate user-supplied input before incorporating it into sql queries executed against the backend database. This blind sql injection vulnerability enables attackers to infer database structure and content through timing attacks or conditional responses, as the application does not provide direct sql error messages or result sets to the user interface. The vulnerability falls under the CWE-89 category of sql injection, specifically manifesting as a blind injection where attackers must rely on indirect methods to extract information from the database.
The operational impact of this vulnerability is severe as it provides attackers with unauthorized access to sensitive manufacturing data including work order information, part specifications, and potentially user credentials or system configuration details. An attacker could leverage this vulnerability to escalate privileges, modify manufacturing processes, or extract confidential business information that could compromise production workflows and intellectual property. The vulnerability affects the integrity and confidentiality of the webERP manufacturing module, potentially disrupting production scheduling and inventory management processes that rely on accurate data integrity. This flaw represents a significant risk to industrial control systems and manufacturing operations that depend on webERP for business process automation.
Mitigation strategies for CVE-2018-19436 should prioritize immediate patch application from the webERP vendor to address the sql injection vulnerability in the CollectiveWorkOrderCost.php script. Organizations should implement input validation and parameterized queries to prevent sql injection attacks, ensuring that all user-supplied data is properly sanitized before database processing. Network segmentation and access controls should be enforced to limit exposure of the vulnerable application to untrusted networks. Additionally, implementing web application firewalls and database activity monitoring solutions can help detect and prevent exploitation attempts. The vulnerability aligns with ATT&CK technique T1190 for exploitation of remote services and T1071.004 for application layer protocol usage, emphasizing the need for comprehensive security controls across multiple attack vectors. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the webERP system and ensure ongoing protection against sql injection threats.