CVE-2018-19434 : Exploit Details and Defense Strategies

A vulnerability was identified on the "Bank Account Matching - Receipts" page of the General Ledger module in webERP 4.15. The file BankMatching.php is susceptible to Blind SQL injection through the AmtClear_ parameter.

Understanding CVE-2018-19434

An issue was discovered on the "Bank Account Matching - Receipts" screen of the General Ledger component in webERP 4.15. BankMatching.php has Blind SQL injection via the AmtClear_ parameter.

What is CVE-2018-19434?

This CVE identifies a Blind SQL injection vulnerability in the BankMatching.php file within the General Ledger module of webERP 4.15.

The Impact of CVE-2018-19434

The vulnerability allows attackers to execute malicious SQL queries through the AmtClear_ parameter, potentially leading to unauthorized access to sensitive data or manipulation of the database.

Technical Details of CVE-2018-19434

The technical aspects of the vulnerability are as follows:

Vulnerability Description

The vulnerability exists in the BankMatching.php file of webERP 4.15, enabling Blind SQL injection via the AmtClear_ parameter.

Affected Systems and Versions

Affected System: General Ledger module in webERP 4.15
Affected Version: BankMatching.php

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious SQL queries through the AmtClear_ parameter, potentially gaining unauthorized access to the database.

Mitigation and Prevention

To address CVE-2018-19434, consider the following mitigation strategies:

Immediate Steps to Take

Disable or restrict access to the vulnerable page or module.
Implement input validation to sanitize user-supplied data.
Regularly monitor and analyze database logs for suspicious activities.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate developers and administrators on secure coding practices and the risks of SQL injection.
Stay informed about security updates and patches for webERP to prevent future vulnerabilities.
Consider implementing a web application firewall (WAF) to detect and block SQL injection attempts.
Employ secure coding practices such as parameterized queries to prevent SQL injection attacks.
Regularly update and patch webERP to ensure the latest security fixes are applied.

Patching and Updates

Ensure that webERP is updated to the latest version with security patches to mitigate the risk of SQL injection vulnerabilities.