CVE-2021-28242 : Vulnerability Insights and Analysis

A SQL Injection vulnerability in the "evoadm.php" component of b2evolution v7.2.2-stable can be exploited by remote attackers to extract sensitive database information.

Understanding CVE-2021-28242

This CVE identifies a security flaw in the b2evolution software that could potentially lead to a compromise of sensitive data.

What is CVE-2021-28242?

The vulnerability allows attackers to inject SQL commands via the "cf_name" parameter when creating a new filter under the "Collections" tab, resulting in unauthorized access to database information.

The Impact of CVE-2021-28242

Exploitation of this vulnerability could enable malicious individuals to retrieve confidential data stored in the database, leading to privacy violations and potential data breaches.

Technical Details of CVE-2021-28242

The following details outline the specific technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from improper input validation in the "evoadm.php" component, enabling attackers to execute arbitrary SQL queries.

Affected Systems and Versions

The issue affects b2evolution v7.2.2-stable and potentially other versions that utilize the vulnerable component.

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting specially crafted SQL commands into the "cf_name" parameter, manipulating the database queries executed by the application.

Mitigation and Prevention

To address and prevent potential exploitation of CVE-2021-28242, consider the following measures.

Immediate Steps to Take

Update the b2evolution software to the latest patched version to eliminate the SQL Injection vulnerability.
Restrict access to the application to trusted users to mitigate the risk of unauthorized exploitation.

Long-Term Security Practices

Implement strict input validation mechanisms in the application to prevent SQL Injection attacks and similar vulnerabilities.
Conduct regular security assessments and code reviews to identify and address any potential security weaknesses.

Patching and Updates

Stay informed about security updates and patches released by the software vendor to promptly apply necessary fixes and enhancements to protect against known vulnerabilities.