CVE-2020-15143 : Security Advisory and Response

In SyliusResourceBundle before versions 1.3.14, 1.4.7, 1.5.2, and 1.6.4, request parameters injected inside an expression evaluated by

symfony/expression-language

package haven't been sanitized properly, leading to Remote Code Execution.

Understanding CVE-2020-15143

What is CVE-2020-15143?

This CVE refers to a vulnerability in SyliusResourceBundle that allows attackers to execute remote code due to improper sanitization of request parameters.

The Impact of CVE-2020-15143

The vulnerability has a CVSS base score of 7.7, indicating a high severity issue with a potential for remote code execution.

Technical Details of CVE-2020-15143

Vulnerability Description

The issue arises from unsanitized request parameters within an expression evaluated by

symfony/expression-language

, enabling attackers to manipulate parameters for remote code execution.

Affected Systems and Versions

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

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating request parameters to execute remote code, potentially compromising the system.

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 for this vulnerability.
Monitor and restrict access to sensitive services.

Long-Term Security Practices

Regularly update software and libraries to prevent known vulnerabilities.
Implement input validation and sanitization to mitigate injection attacks.

Patching and Updates

Ensure all systems running SyliusResourceBundle are updated to the patched versions to prevent exploitation.