CVE-2023-28632 : Vulnerability Insights and Analysis

This CVE-2023-28632 involves a vulnerability in GLPI that allows an authenticated user to take over another user's account by modifying emails, ultimately leading to unauthorized access to sensitive data through GLPI notifications.

Understanding CVE-2023-28632

This section dives into the details of the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-28632?

The vulnerability in GLPI, a free asset and IT management software package, allows an authenticated user to manipulate emails to take control of other user accounts via the "forgotten password" feature. This can result in unauthorized access to sensitive data through GLPI notifications.

The Impact of CVE-2023-28632

The impact of this vulnerability is rated as high, with a CVSSv3 base score of 8.1. It poses a risk to confidentiality and integrity, as well as potentially granting unauthorized access to privileged information within the affected systems.

Technical Details of CVE-2023-28632

In this section, we will explore the specific technical aspects of the vulnerability.

Vulnerability Description

GLPI versions prior to 9.5.13 and 10.0.7 allow an authenticated user to exploit a flaw that enables the modification of emails, leading to an account takeover scenario.

Affected Systems and Versions

The affected systems include GLPI versions ranging from >= 0.83 to < 9.5.13 and >= 10.0.0 to < 10.0.7. Users operating these versions are vulnerable to the account takeover by authenticated users.

Exploitation Mechanism

The vulnerability arises from improper privilege management, specifically allowing low-privileged authenticated users to execute unauthorized actions by manipulating email addresses.

Mitigation and Prevention

To safeguard against CVE-2023-28632, the following mitigation and prevention measures can be implemented:

Immediate Steps to Take

Upgrade GLPI to versions 9.5.13 or 10.0.7, which contain patches to address this vulnerability.
Deactivate all notifications related to the "Forgotten password?" event as a temporary workaround to prevent account takeover.

Long-Term Security Practices

Regularly update software to the latest patched versions to protect against known vulnerabilities.
Implement strong user access controls and privilege management to restrict unauthorized actions.

Patching and Updates

Refer to the official GLPI releases tagged 9.5.13 and 10.0.7 on GitHub to download and apply the necessary patches for CVE-2023-28632. Regularly check for updates and security advisories from the GLPI project to stay informed about future vulnerabilities and fixes.