CVE-2023-4096 Explained : Impact and Mitigation

This CVE-2023-4096 involves a weak password recovery mechanism vulnerability in Fujitsu Arconte Áurea version 1.5.0.0, which could potentially allow an attacker to execute a brute force attack on the emailed PIN number to change the password of a legitimate user. The discovery of this vulnerability was credited to Pablo Arias Rodriguez and Jorge Alberto Palma Reyes, members of CSIRT-CV.

Understanding CVE-2023-4096

This section provides an in-depth analysis of the vulnerability and its impact on affected systems.

What is CVE-2023-4096?

The CVE-2023-4096 vulnerability is related to a weak password recovery mechanism found in Fujitsu Arconte Áurea version 1.5.0.0. Attackers could exploit this vulnerability through a brute force attack on the emailed PIN number, potentially leading to unauthorized password changes for legitimate users.

The Impact of CVE-2023-4096

With a CVSS v3.1 base score of 8.6, categorizing it as HIGH severity, the impact of CVE-2023-4096 is significant. The vulnerability poses a high risk to confidentiality and could potentially compromise user accounts due to the flawed password recovery mechanism in the affected Fujitsu product.

Technical Details of CVE-2023-4096

In this section, we delve into specific technical details regarding the vulnerability.

Vulnerability Description

The vulnerability in Fujitsu Arconte Áurea version 1.5.0.0 allows attackers to exploit the weak password recovery mechanism by launching brute force attacks on the emailed PIN number, ultimately enabling them to change the password of authenticated users.

Affected Systems and Versions

The vulnerability affects Fujitsu Arconte Áurea version 1.5.0.0, specifically versions less than 1.5.0.0. Users utilizing this version are at risk of potential exploitation by malicious actors.

Exploitation Mechanism

By leveraging the weak password recovery mechanism in Fujitsu Arconte Áurea version 1.5.0.0, attackers can conduct brute force attacks on the emailed PIN number, gaining unauthorized access to legitimate user accounts.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-4096, immediate steps should be taken alongside long-term security practices.

Immediate Steps to Take

It is crucial for users of Fujitsu Arconte Áurea version 1.5.0.0 to update to the fixed version 1.5.0.0, released on 4/4/2022. Additionally, implementing strong password policies and multi-factor authentication can enhance overall security posture.

Long-Term Security Practices

In the long term, organizations should prioritize regular security assessments, user awareness training, and prompt application of security patches provided by vendors to prevent similar vulnerabilities from being exploited.

Patching and Updates

Fujitsu has addressed the vulnerability in version 1.5.0.0 and subsequent releases, including version 1.6.2.3. It is paramount for users to install these updates promptly to ensure the mitigation of CVE-2023-4096 and other potential security risks.