CVE-2021-40618 : Security Advisory and Response

This CVE-2021-40618 article provides details about an SQL Injection vulnerability in openSIS Classic 8.0.

Understanding CVE-2021-40618

This section delves into the specifics of the CVE-2021-40618 vulnerability.

What is CVE-2021-40618?

An SQL Injection vulnerability is present in openSIS Classic 8.0 through certain parameters in HoldAddressFields.php.

The Impact of CVE-2021-40618

The vulnerability could allow attackers to execute arbitrary SQL commands, potentially leading to data leakage or unauthorized access.

Technical Details of CVE-2021-40618

In this section, we explore the technical aspects of CVE-2021-40618.

Vulnerability Description

The vulnerability allows SQL Injection through ADDR_CONT_USRN, ADDR_CONT_PSWD, SECN_CONT_USRN, or SECN_CONT_PSWD parameters.

Affected Systems and Versions

Affected Product: Not Applicable
Affected Version: Not Applicable

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious SQL commands through the mentioned parameters in HoldAddressFields.php.

Mitigation and Prevention

This section highlights the steps to mitigate and prevent exploitation of CVE-2021-40618.

Immediate Steps to Take

Implement input validation and sanitization for user-supplied data.
Monitor and analyze SQL queries for any unusual behavior.

Long-Term Security Practices

Regularly update and patch the openSIS Classic software to address security vulnerabilities.
Conduct security audits and penetration testing to identify and rectify vulnerabilities.

Patching and Updates

Apply security patches provided by openSIS Classic promptly to mitigate the SQL Injection vulnerability.