CVE-2023-27998 : Security Advisory and Response

This CVE record was published by Fortinet on September 13, 2023, with the CVE ID CVE-2023-27998. The vulnerability affects FortiPresence versions 1.2.0 through 1.2.1, as well as all versions of 1.1 and 1.0. It is classified as a lack of custom error pages vulnerability (CWE-756), potentially allowing an unauthenticated attacker to gain sensitive information.

Understanding CVE-2023-27998

This section will provide a detailed insight into the vulnerability and its implications.

What is CVE-2023-27998?

CVE-2023-27998 is a vulnerability present in FortiPresence versions 1.2.0 through 1.2.1 and all versions of 1.1 and 1.0. It stems from a lack of custom error pages, potentially enabling an unauthenticated attacker to access sensitive information by navigating to specific HTTP(s) paths within the login GUI.

The Impact of CVE-2023-27998

The impact of this vulnerability includes the risk of information disclosure, where an unauthorized individual may exploit the flaw to gain access to confidential data, albeit with low confidentiality impact and no integrity impact.

Technical Details of CVE-2023-27998

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

Vulnerability Description

The vulnerability results from the absence of custom error pages in FortiPresence, allowing unauthorized individuals to potentially access sensitive information through specific HTTP(s) paths within the login GUI.

Affected Systems and Versions

FortiPresence versions 1.2.0 through 1.2.1, along with all versions of 1.1 and 1.0, are impacted by CVE-2023-27998.

Exploitation Mechanism

An unauthenticated attacker with the ability to navigate to the login GUI can exploit the vulnerability by accessing specific HTTP(s) paths, potentially leading to the exposure of sensitive information.

Mitigation and Prevention

This section focuses on the steps to mitigate and prevent the exploitation of CVE-2023-27998.

Immediate Steps to Take

Users are advised to upgrade to FortiPresence version 2.0.0 or above to address the vulnerability effectively and prevent any unauthorized access to sensitive information.

Long-Term Security Practices

Implementing robust access controls, regular security assessments, and staying updated on security patches can enhance overall security posture and reduce the risk of future vulnerabilities.

Patching and Updates

Regularly applying security patches and updates provided by Fortinet is crucial to ensure that known vulnerabilities are remediated promptly, thereby reducing the risk of exploitation.