CVE-2020-15128 : Security Advisory and Response

In OctoberCMS before version 1.0.468, encrypted cookie values were not tied to the name of the cookie, leading to potential security vulnerabilities.

Understanding CVE-2020-15128

In this CVE, the lack of validation in cookie handling in OctoberCMS could allow for exploitation of user-facing code vulnerabilities.

What is CVE-2020-15128?

Encrypted cookie values in OctoberCMS were not associated with the cookie name, enabling certain attacks leveraging user input.
The issue was resolved in build 468 (v1.0.468) of OctoberCMS.

The Impact of CVE-2020-15128

CVSS Score: 6.1 (Medium)
Attack Vector: Network
Integrity Impact: High
User Interaction: Required
The vulnerability could lead to unauthorized access and potential data manipulation.

Technical Details of CVE-2020-15128

Vulnerability Description

Lack of association between encrypted cookie values and cookie names in OctoberCMS.

Affected Systems and Versions

Product: October
Vendor: OctoberCMS
Versions Affected: < 1.0.468

Exploitation Mechanism

Attack Complexity: High
Privileges Required: None
Scope: Changed
User Interaction: Required

Mitigation and Prevention

Immediate Steps to Take

Update OctoberCMS to version 1.0.468 or newer.
Review and restrict user input that interacts with cookies.

Long-Term Security Practices

Implement input validation and output encoding to prevent injection attacks.
Regularly monitor and update security configurations.

Patching and Updates

Apply security patches promptly to address known vulnerabilities.