CVE-2023-28855 : What You Need to Know

This CVE involves the Fields GLPI plugin being vulnerable to unauthorized write access to additional fields, impacting versions prior to 1.13.1 and 1.20.4.

Understanding CVE-2023-28855

This vulnerability in the Fields GLPI plugin poses a risk as it allows any authenticated user to write data to any fields container, even those to which they do not have configured access. Versions 1.13.1 and 1.20.4 address this security flaw with a patch.

What is CVE-2023-28855?

The CVE-2023-28855 vulnerability affects the Fields GLPI plugin, enabling unauthorized users to write data to additional fields, compromising the integrity of the system.

The Impact of CVE-2023-28855

The impact of this vulnerability is medium severity, with a base score of 6.5 according to the CVSS 3.1 metrics. The integrity of the system is at high risk due to improper privilege management.

Technical Details of CVE-2023-28855

This section provides an in-depth look at the vulnerability, including its description, affected systems, and how it can be exploited.

Vulnerability Description

The vulnerability results from a lack of access control checks in the Fields GLPI plugin, allowing authenticated users to write data to any fields container without proper authorization.

Affected Systems and Versions

The affected systems are those running versions prior to 1.13.1 and between 1.20.0 to 1.20.3 of the Fields GLPI plugin.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging the lack of access control checks to manipulate data in fields containers they should not have permissions to modify.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-28855, users and system administrators should take immediate action and implement long-term security practices.

Immediate Steps to Take

Users should update the Fields GLPI plugin to versions 1.13.1 or 1.20.4, which contain patches for this vulnerability.
Limit user privileges to only necessary permissions to reduce the impact of unauthorized data modifications.

Long-Term Security Practices

Regularly monitor and audit user access and permissions within the system to prevent unauthorized actions.
Stay informed about security updates and apply patches promptly to address known vulnerabilities.
Educate users on best practices for secure data management and access control.

Patching and Updates

Update to Fields GLPI plugin versions 1.13.1 or 1.20.4 to mitigate the risk of unauthorized data modification in additional fields.
Stay informed about future updates and security advisories from pluginsGLPI to ensure the ongoing security of the system.