CVE-2021-42334 : Exploit Details and Defense Strategies

Easytest software by Huachu Digital Technology Co.,Ltd. is susceptible to SQL injection, allowing remote attackers to manipulate the elective course management page. Learn more about this vulnerability and its implications.

Understanding CVE-2021-42334

Easytest software contains a critical SQL injection vulnerability that can be exploited by remote attackers, enabling unauthorized access to databases and administrator privileges.

What is CVE-2021-42334?

The Easytest software from Huachu Digital Technology Co.,Ltd. is affected by a SQL injection flaw that permits remote threat actors to execute malicious SQL commands through the elective course management page, leading to unauthorized data access and potential system compromise.

The Impact of CVE-2021-42334

The vulnerability poses a severe threat with a CVSS base score of 8.8 (High severity). The exploit requires low privileges, has a network attack vector, and can result in high confidentiality, integrity, and availability impact.

Technical Details of CVE-2021-42334

Easytest by Huachu Digital Technology Co.,Ltd. is vulnerable to SQL injection, allowing attackers to infiltrate systems and gain unauthorized access.

Vulnerability Description

The SQL injection vulnerability in Easytest permits attackers to inject malicious SQL commands via the elective course management page, potentially obtaining complete database access and administrator rights.

Affected Systems and Versions

Product: Easytest
Vendor: Huachu Digital Technology Co.,Ltd.
Vulnerable Version: 1705

Exploitation Mechanism

The SQL injection vulnerability can be exploited remotely by manipulating the parameters of the elective course management page to execute unauthorized SQL commands, leading to data leakage and system compromise.

Mitigation and Prevention

Immediate action is crucial to safeguard against CVE-2021-42334 and prevent potential security breaches.

Immediate Steps to Take

Update Easytest to version 2100 to eliminate the SQL injection vulnerability.

Long-Term Security Practices

Regularly monitor and audit software for vulnerabilities.
Implement strict input validation mechanisms to prevent SQL injection attacks.

Patching and Updates

Apply security patches and software updates promptly to address known vulnerabilities and enhance system security.