CVE-2021-26822 : Vulnerability Insights and Analysis

Teachers Record Management System 1.0 is affected by a SQL injection vulnerability in the 'searchteacher' POST parameter in search-teacher.php. This vulnerability can be exploited by a remote unauthenticated attacker to leak sensitive information and perform code execution attacks.

Understanding CVE-2021-26822

This section provides detailed insights into the CVE-2021-26822 vulnerability.

What is CVE-2021-26822?

CVE-2021-26822 is a SQL injection vulnerability in Teachers Record Management System 1.0, specifically in the 'searchteacher' POST parameter in search-teacher.php. It allows remote unauthenticated attackers to leak sensitive information and carry out code execution attacks.

The Impact of CVE-2021-26822

The impact of this vulnerability is severe as it enables attackers to access sensitive data stored in the system and execute malicious code remotely.

Technical Details of CVE-2021-26822

In this section, we delve into the technical aspects of CVE-2021-26822.

Vulnerability Description

The SQL injection vulnerability in the 'searchteacher' POST parameter of Teachers Record Management System 1.0 allows attackers to manipulate SQL queries, potentially leading to data leakage and code execution.

Affected Systems and Versions

Teachers Record Management System 1.0 is susceptible to this vulnerability due to the insecure handling of user input in the 'searchteacher' POST parameter in search-teacher.php.

Exploitation Mechanism

Remote unauthenticated attackers can exploit this vulnerability by crafting malicious SQL queries within the 'searchteacher' parameter, gaining unauthorized access to the database and executing arbitrary code.

Mitigation and Prevention

Protecting your system from CVE-2021-26822 is crucial to ensure data security and integrity.

Immediate Steps to Take

Implement input validation and parameterized queries to prevent SQL injection attacks.
Regularly monitor and audit web application logs for suspicious activities.

Long-Term Security Practices

Keep the Teachers Record Management System updated with the latest security patches and fixes.
Conduct regular security assessments and penetration testing to identify and address vulnerabilities.

Patching and Updates

Ensure timely application of security patches released by the software vendor to mitigate the risk of SQL injection attacks.