CVE-2020-15146 Explained : Impact and Mitigation

In SyliusResourceBundle before versions 1.3.14, 1.4.7, 1.5.2, and 1.6.4, a vulnerability allows for Remote Code Execution due to improper request parameter sanitization.

Understanding CVE-2020-15146

SyliusResourceBundle versions prior to 1.3.14, 1.4.7, 1.5.2, and 1.6.4 are affected by a Remote Code Execution vulnerability.

What is CVE-2020-15146?

This CVE identifies a security flaw in SyliusResourceBundle versions before 1.3.14, 1.4.7, 1.5.2, and 1.6.4, enabling attackers to execute remote code by manipulating request parameters.

The Impact of CVE-2020-15146

CVSS Base Score: 9.6 (Critical)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: None
Scope: Changed

Technical Details of CVE-2020-15146

SyliusResourceBundle versions < 1.3.14, >= 1.4.0, < 1.4.7, >= 1.5.0, < 1.5.2, >= 1.6.0, < 1.6.4 are affected by this vulnerability.

Vulnerability Description

The issue arises from unsanitized request parameters evaluated by

symfony/expression-language

, allowing unauthorized access to public services and potential Remote Code Execution.

Affected Systems and Versions

SyliusResourceBundle < 1.3.14
SyliusResourceBundle >= 1.4.0, < 1.4.7
SyliusResourceBundle >= 1.5.0, < 1.5.2
SyliusResourceBundle >= 1.6.0, < 1.6.4

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating request parameters to execute remote code, posing a severe security risk.

Mitigation and Prevention

Immediate Steps to Take:

Update SyliusResourceBundle to versions 1.3.14, 1.4.7, 1.5.2, or 1.6.4 that contain patches.
Monitor and restrict user input to prevent malicious parameter manipulation. Long-Term Security Practices:
Regularly update software and libraries to mitigate known vulnerabilities.
Implement input validation and output encoding to prevent injection attacks.
Conduct security audits and penetration testing to identify and address vulnerabilities.
Educate developers on secure coding practices.

Patching and Updates

Ensure all systems running SyliusResourceBundle are updated to versions 1.3.14, 1.4.7, 1.5.2, or 1.6.4 to eliminate the Remote Code Execution vulnerability.