CVE-2023-3453 : Security Advisory and Response

This CVE-2023-3453 is assigned to ETIC Telecom Remote Access Server (RAS) versions 4.7.0 and earlier. It addresses a security vulnerability where the web management portal authentication is disabled by default. This flaw could potentially allow an attacker with adjacent network access to manipulate the device's configuration or trigger a denial-of-service situation.

Understanding CVE-2023-3453

This section will delve into the details of CVE-2023-3453, including its implications, technical aspects, and mitigation strategies.

What is CVE-2023-3453?

The CVE-2023-3453 vulnerability pertains to insecure default initialization of resources in ETIC Telecom RAS versions 4.7.0 and earlier. Due to the disabled web management portal authentication, threat actors with nearby network access can exploit this weakness to compromise device configurations or disrupt services.

The Impact of CVE-2023-3453

The impact of this vulnerability is classified as high severity with a CVSS base score of 7.1. Attack complexity is low, but the exploit vector involves adjacent network access. While the confidentiality, integrity, and availability impacts are low, the potential for unauthorized configuration changes or denial-of-service attacks is significant.

Technical Details of CVE-2023-3453

This section provides a deeper insight into the vulnerability, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The insecure default initialization of resources in ETIC Telecom RAS versions 4.7.0 and earlier allows malicious actors with adjacent network access to compromise device configurations or cause denial-of-service incidents due to disabled web management portal authentication.

Affected Systems and Versions

ETIC Telecom RAS version 4.7.0 and earlier are impacted by this vulnerability. Specifically, versions prior to 4.7.0 are susceptible to the risk posed by the disabled web management portal authentication.

Exploitation Mechanism

The vulnerability in CVE-2023-3453 can be exploited by attackers with adjacent network access leveraging the lack of web management portal authentication to alter device configurations or disrupt services.

Mitigation and Prevention

In light of CVE-2023-3453, implementing effective mitigation and prevention measures is crucial for safeguarding systems against potential exploitation.

Immediate Steps to Take

ETIC Telecom recommends enabling the authentication mechanism on the administration interface. This involves creating an administrator and configuring settings to enhance security. For firmware versions 4.9.0 or later, activating administration protection is mandatory upon initial product setup.

Long-Term Security Practices

To fortify system defenses in the long run, organizations should consider adopting robust security protocols, conducting regular security audits, and staying informed about emerging threats to proactively mitigate risks.

Patching and Updates

Updating to ETIC Telecom RAS version 4.9.0 or later is essential to address the CVE-2023-3453 vulnerability. By applying the latest patches and security upgrades, organizations can effectively mitigate the risk posed by this security flaw.