CVE-2021-28941 Explained : Impact and Mitigation

This article provides details about CVE-2021-28941, a vulnerability in MagpieRSS 0.72 that allows for unauthorized access to internal pages via HTTP requests.

Understanding CVE-2021-28941

This section will cover the impact and technical details of the CVE-2021-28941 vulnerability.

What is CVE-2021-28941?

CVE-2021-28941 is a security flaw in MagpieRSS 0.72 that arises due to inadequate validation on a curl command in the /extlib/Snoopy.class.inc file. An attacker can exploit this vulnerability by sending a request to specific pages, enabling access to internal content through HTTPS requests.

The Impact of CVE-2021-28941

The vulnerability allows threat actors to access sensitive internal information, posing a risk to the confidentiality and integrity of data.

Technical Details of CVE-2021-28941

This section will delve deeper into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The root cause of CVE-2021-28941 lies in the lack of validation on a curl command, leading to unauthorized requests and potential data exposure.

Affected Systems and Versions

MagpieRSS 0.72 is confirmed to be impacted by this vulnerability, although no specific versions or products are mentioned in the CVE data.

Exploitation Mechanism

By sending a crafted HTTPS request to the /scripts/magpie_debug.php or /scripts/magpie_simple.php page, malicious actors can target internal pages within the application.

Mitigation and Prevention

In this section, we discuss steps to mitigate the risks associated with CVE-2021-28941 and enhance overall security.

Immediate Steps to Take

Organizations should restrict access to vulnerable pages and perform a thorough security audit to identify any unauthorized access.
Implement HTTPS best practices and encryption protocols to secure communications.

Long-Term Security Practices

Regularly update MagpieRSS to the latest version to patch known vulnerabilities and enhance security features.
Conduct regular security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Stay informed about security advisories and patches released by MagpieRSS for CVE-2021-28941. Promptly apply updates to protect systems from exploitation.