CVE-2021-46363 : Security Advisory and Response

A vulnerability in Magnolia v6.2.3 and below allows attackers to execute arbitrary code through Formula Injection attacks in exported CSV/XLS files.

Understanding CVE-2021-46363

What is CVE-2021-46363?

The CVE-2021-46363 vulnerability involves an Export function in Magnolia v6.2.3 and lower versions that enables attackers to conduct Formula Injection attacks using manipulated CSV/XLS files. This could lead to the execution of malicious code on a victim's device when interacting with these exported files in Microsoft Excel.

The Impact of CVE-2021-46363

The vulnerability may result in unauthorized execution of malicious code on a victim's computer, potentially leading to data breaches and system compromise.

Technical Details of CVE-2021-46363

Vulnerability Description

Attackers exploit the Export function in Magnolia v6.2.3 and below through crafted CSV/XLS files to initiate Formula Injection attacks.

Affected Systems and Versions

Product: Magnolia
Versions affected: v6.2.3 and below

Exploitation Mechanism

Attackers utilize specially crafted CSV/XLS files to inject malicious formulas that are executed when opened with Microsoft Excel, leading to arbitrary code execution on the victim's device.

Mitigation and Prevention

Immediate Steps to Take

Avoid opening untrusted CSV/XLS files from unverified sources.
Regularly update Magnolia to the latest version to mitigate the vulnerability.

Long-Term Security Practices

Implement security training to educate users on recognizing and avoiding suspicious file formats.
Employ security solutions like antivirus software to detect and prevent malicious files.

Patching and Updates

Apply security patches and updates provided by Magnolia to address the Formula Injection vulnerability.