CVE-2023-3768 : Security Advisory and Response

This CVE-2023-3768 vulnerability was assigned by INCIBE and published on October 2, 2023. It is related to a flaw in Ingeteam's INGEPAC DA3451 product, allowing attackers to initiate a denial of service (DoS) condition through the MMS protocol, potentially resulting in a complete system reboot.

Understanding CVE-2023-3768

This section dives into the details of CVE-2023-3768, outlining the vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-3768?

CVE-2023-3768 is classified as an incorrect data input validation vulnerability. It enables attackers with network access to utilize fuzzing techniques, leading to the creation of specially crafted packets that trigger a DoS condition via the MMS protocol. This could ultimately cause a complete system reboot on the affected device and disrupt its services.

The Impact of CVE-2023-3768

The impact of CVE-2023-3768 is significant, with a high availability impact. Attackers exploiting this vulnerability can potentially disrupt the normal operation of the system, leading to service unavailability and system reboots. The attack vector is via the network, and the severity is rated as high according to the CVSS v3.1 base score.

Technical Details of CVE-2023-3768

In this section, we delve into the technical aspects of CVE-2023-3768, including the vulnerability description, affected systems, versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the improper input validation in Ingeteam's INGEPAC DA3451, which allows attackers to send specially crafted packets over the network, leading to a DoS condition and potential system reboot.

Affected Systems and Versions

The affected product in this CVE is the INGEPAC DA3451 by Ingeteam, specifically version 0.29.2.42. Systems running this particular version are vulnerable to the exploit described above.

Exploitation Mechanism

Attackers can exploit CVE-2023-3768 by gaining network access and crafting malicious packets to trigger the DoS condition through the MMS protocol. This manipulation can lead to a complete system reboot, causing disruption to the device's functionality.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-3768, immediate steps need to be taken, along with long-term security practices and the application of necessary patches and updates.

Immediate Steps to Take

Organizations using Ingeteam's INGEPAC DA3451 version 0.29.2.42 should implement network security measures to prevent unauthorized access and monitor for any unusual packet behavior that could indicate a potential attack.

Long-Term Security Practices

In the long term, it is crucial for organizations to prioritize secure coding practices, conduct regular security assessments, and stay informed about emerging vulnerabilities to proactively address security threats.

Patching and Updates

Ingeteam has released version 1.0.4.0, dated September 30, 2021, and later versions as a solution to CVE-2023-3768. Organizations should apply these software updates promptly to eliminate the vulnerability and enhance the security posture of their systems.