CVE-2022-24800 : What You Need to Know

October/System is the system module for October CMS, a self-hosted CMS platform based on the Laravel PHP Framework. Prior to versions 1.0.476, 1.1.12, and 2.2.15, an unauthenticated user could exploit a race condition in the temporary storage directory to perform remote code execution (RCE) by specifying their own filename in the

fromData

method. This vulnerability affects plugins exposing

October\Rain\Database\Attach\File::fromData

as a public interface.

Understanding CVE-2022-24800

This CVE involves a race condition vulnerability in the upload process of October CMS.

What is CVE-2022-24800?

CVE-2022-24800 is a vulnerability in October CMS that allowed unauthenticated users to execute remote code by exploiting a race condition when specifying filenames.

The Impact of CVE-2022-24800

The vulnerability had a high CVSS base score of 8.1, posing a high risk due to its potential for remote code execution and impact on confidentiality, integrity, and availability.

Technical Details of CVE-2022-24800

The following technical aspects are associated with CVE-2022-24800:

Vulnerability Description

The vulnerability stemmed from a race condition in the temporary storage directory, allowing unauthenticated users to execute remote code.

Affected Systems and Versions

Versions prior to 1.0.476, 1.1.12, and 2.2.15 of October CMS were affected by this vulnerability, particularly when using the

fromData

method.

Exploitation Mechanism

Exploitation involved allowing users to specify their own filename in the vulnerable method, which could lead to the execution of arbitrary remote code.

Mitigation and Prevention

To address CVE-2022-24800, consider the following mitigation strategies:

Immediate Steps to Take

Upgrade to patched versions: 1.0.476, 1.1.12, or 2.2.15.
Apply the patch manually if upgrading is not feasible.

Long-Term Security Practices

Regularly update software and plugins to stay protected against known vulnerabilities.
Follow security best practices to minimize the risk of exploitation.

Patching and Updates

Ensure timely installation of security patches provided by October CMS to mitigate the risk of potential vulnerabilities.