CVE-2020-5297 : Vulnerability Insights and Analysis

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit a vulnerability to upload various file types to any directory of an October CMS server.

Understanding CVE-2020-5297

This CVE involves the ability for an attacker to upload whitelisted files to any directory in OctoberCMS.

What is CVE-2020-5297?

This vulnerability allows an authenticated backend user with the

cms.manage_assets

permission to upload files like jpg, jpeg, css, js, and more to any server directory in OctoberCMS.

The Impact of CVE-2020-5297

CVSS Base Score: 3.4 (Low)
Attack Vector: Network
Privileges Required: High
User Interaction: Required
Scope: Changed
Integrity Impact: Low
Confidentiality Impact: None
Availability Impact: None
Severity: Low

Technical Details of CVE-2020-5297

This section provides more technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows an attacker to upload various file types to any directory in OctoberCMS, impacting the server's security.

Affected Systems and Versions

Affected Product: October
Vendor: OctoberCMS
Vulnerable Versions: >= 1.0.319, < 1.0.466

Exploitation Mechanism

The vulnerability can be exploited by an authenticated backend user with the

cms.manage_assets

permission to upload files to the server.

Mitigation and Prevention

Protect your systems from CVE-2020-5297 with these mitigation strategies.

Immediate Steps to Take

Update OctoberCMS to Build 466 (v1.0.466) where the issue has been patched.
Restrict backend user permissions to prevent unauthorized file uploads.

Long-Term Security Practices

Regularly monitor and audit file uploads on the server.
Educate users on safe file handling practices to prevent security breaches.

Patching and Updates

Stay updated with security advisories and promptly apply patches to mitigate vulnerabilities.