CVE-2021-26765 : What You Need to Know

A SQL injection vulnerability has been identified in PHPGurukul Student Record System 4.0, allowing remote attackers to execute arbitrary SQL statements. This can be exploited via the 'sid' parameter in 'edit-sub.php' leading to a critical security risk.

Understanding CVE-2021-26765

This section will delve into the details of the CVE-2021-26765 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2021-26765?

The CVE-2021-26765 is a SQL injection vulnerability discovered in the PHPGurukul Student Record System 4.0. Exploiting this flaw enables malicious actors to execute unauthorized SQL queries by manipulating the 'sid' parameter within the 'edit-sub.php' file.

The Impact of CVE-2021-26765

The impact of this vulnerability is severe as it allows remote attackers to gain unauthorized access to the database, execute arbitrary SQL commands, retrieve sensitive information, modify or delete data, and potentially take control of the affected system.

Technical Details of CVE-2021-26765

Let's explore the technical aspects of CVE-2021-26765 in more detail.

Vulnerability Description

The vulnerability arises due to inadequate input validation in the 'sid' parameter of the 'edit-sub.php' script, which can be exploited by injecting malicious SQL queries.

Affected Systems and Versions

The SQL injection vulnerability affects PHPGurukul Student Record System 4.0. All instances of this version are at risk until a patch is applied.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by sending crafted SQL injection payloads through the 'sid' parameter, tricking the system into executing unauthorized SQL commands.

Mitigation and Prevention

Taking immediate action is crucial to safeguard systems from potential exploits of CVE-2021-26765.

Immediate Steps to Take

Apply the latest security patches provided by the vendor to fix the SQL injection vulnerability.
Restrict access to the vulnerable application and closely monitor for any suspicious activities.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs and prevent SQL injection attacks.
Conduct regular security audits and penetration testing to identify and remediate vulnerabilities in the system.

Patching and Updates

Regularly update the PHPGurukul Student Record System to the latest version that includes security patches addressing the identified SQL injection vulnerability.