CVE-2021-39379 : Exploit Details and Defense Strategies

This CVE-2021-39379 article provides insights into a SQL Injection vulnerability in openSIS 8.0 when MySQL (MariaDB) is utilized as the application database.

Understanding CVE-2021-39379

CVE-2021-39379 is a SQL Injection vulnerability in openSIS 8.0, allowing malicious attackers to execute SQL commands through a specific parameter.

What is CVE-2021-39379?

A SQL Injection vulnerability in openSIS 8.0 enables attackers to send malicious SQL commands through a particular parameter, potentially compromising the application and its database.

The Impact of CVE-2021-39379

The vulnerability can lead to unauthorized access, data manipulation, and potentially complete control over the application database by malicious actors.

Technical Details of CVE-2021-39379

CVE-2021-39379 presents the following technical details:

Vulnerability Description

A SQL Injection vulnerability in openSIS 8.0 permits attackers to exploit the system by injecting and executing SQL commands through a specific parameter in the application.

Affected Systems and Versions

Affected Product: N/A
Affected Vendor: N/A
Affected Versions: N/A

Exploitation Mechanism

The vulnerability arises when MySQL (MariaDB) is deployed as the application database, allowing attackers to manipulate the database using crafted SQL commands.

Mitigation and Prevention

It is crucial to take immediate and long-term security measures to mitigate the risk posed by CVE-2021-39379.

Immediate Steps to Take

Disable direct user input in SQL queries to prevent SQL Injection attacks.
Regularly monitor and audit database activities to detect any unusual SQL commands.

Long-Term Security Practices

Implement parameterized queries to prevent SQL Injection vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address any potential vulnerabilities.

Patching and Updates

Apply patches and updates provided by the openSIS project to fix the SQL Injection vulnerability.