CVE-2020-5218 : Security Advisory and Response

Affected versions of Sylius allow attackers to switch channels via a GET parameter, potentially enabling unauthorized access.

Understanding CVE-2020-5218

This CVE involves a vulnerability in Sylius that could be exploited by attackers to switch channels via a specific GET parameter.

What is CVE-2020-5218?

Sylius versions prior to 1.3.13, 1.4.6, 1.5.1, and 1.6.3 are affected, allowing unauthorized channel switching.

The Impact of CVE-2020-5218

The vulnerability enables attackers to manipulate channels via a GET parameter, potentially leading to unauthorized access in production environments.

Technical Details of CVE-2020-5218

This section provides detailed technical insights into the CVE.

Vulnerability Description

The flaw in affected Sylius versions allows attackers to switch channels using the _channel_code GET parameter, even in production environments.

Affected Systems and Versions

Sylius versions < 1.3.13
Sylius versions >= 1.4.0, < 1.4.6
Sylius versions >= 1.5.0, < 1.5.1
Sylius versions >= 1.6.0, < 1.6.3

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: Low
User Interaction: Required
Scope: Changed
CVSS Score: 4.4 (Medium)

Mitigation and Prevention

Protect your systems from CVE-2020-5218 with these mitigation strategies.

Immediate Steps to Take

Apply the provided patches for Sylius versions 1.3.13, 1.4.6, 1.5.1, and 1.6.3.
Ensure kernel.debug is set to true to prevent unauthorized channel switching.

Long-Term Security Practices

Regularly update Sylius to the latest secure versions.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Sylius has released patches for versions 1.3.13, 1.4.6, 1.5.1, and 1.6.3 to address this vulnerability.