CVE-2022-29858 : Security Advisory and Response

Silverstripe silverstripe/assets through 1.10 is vulnerable to improper access control that allows protected images to be published by changing an existing image short code on website content.

Understanding CVE-2022-29858

This CVE-2022-29858 identifies a vulnerability in Silverstripe silverstripe/assets through version 1.10 that allows unauthorized access to protected images on a website.

What is CVE-2022-29858?

CVE-2022-29858 reveals a flaw in Silverstripe silverstripe/assets that enables attackers to circumvent access controls and publish protected images by manipulating existing image short codes.

The Impact of CVE-2022-29858

The impact of this vulnerability is that threat actors can potentially access and publish images that are meant to be restricted, compromising the confidentiality and integrity of the website content.

Technical Details of CVE-2022-29858

This section outlines the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Silverstripe silverstripe/assets through 1.10 allows attackers to bypass access controls and publish protected images by modifying image short codes.

Affected Systems and Versions

All systems running Silverstripe silverstripe/assets up to version 1.10 are affected by this vulnerability.

Exploitation Mechanism

By exploiting this vulnerability, malicious actors can change existing image short codes on website content to publish protected images.

Mitigation and Prevention

To address CVE-2022-29858, consider implementing immediate steps and long-term security practices, as well as keeping systems updated with patches.

Immediate Steps to Take

Evaluate access controls and permissions related to image publishing.
Monitor image short code changes for potential unauthorized modifications.

Long-Term Security Practices

Regularly review and update access control policies.
Conduct security audits to identify vulnerabilities proactively.

Patching and Updates

Apply patches and updates provided by Silverstripe to mitigate the vulnerability and enhance website security.