CVE-2023-3333 : Security Advisory and Response

This CVE-2023-3333 was published on June 28, 2023, by NEC. It involves the improper neutralization of special elements used in an OS command vulnerability affecting multiple NEC Corporation Aterm routers.

Understanding CVE-2023-3333

This vulnerability allows an attacker to execute an arbitrary OS command with root privilege after exploiting specific vulnerabilities.

What is CVE-2023-3333?

The CVE-2023-3333 vulnerability involves the improper neutralization of special elements used in an OS command in various NEC Corporation Aterm routers, including models like Aterm WG2600HP2, WG2600HP, WG2200HP, WG1800HP2, and more. It enables an attacker to execute arbitrary OS commands with root privilege, leveraging high privileges obtained through other vulnerabilities like CVE-2023-3330 and CVE-2023-3331.

The Impact of CVE-2023-3333

Exploitation of this vulnerability can lead to unauthorized execution of commands with elevated privileges, potentially allowing attackers to gain full control over the affected devices. This can result in severe security breaches and compromise the integrity of the network.

Technical Details of CVE-2023-3333

This section delves into the specific technical aspects related to the CVE-2023-3333 vulnerability.

Vulnerability Description

The vulnerability arises due to the improper handling of special elements in OS commands within the affected NEC Aterm router models. By leveraging this flaw, attackers can execute arbitrary commands with root access.

Affected Systems and Versions

Multiple versions of NEC Corporation Aterm routers are impacted by this vulnerability, including popular models such as Aterm WG2600HP2, WG2600HP, WG2200HP, and more.

Exploitation Mechanism

Attackers can exploit CVE-2023-3333 by utilizing the vulnerability related to improper neutralization of special elements in OS commands, granting them the ability to execute malicious commands with elevated privileges on the affected devices.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks associated with CVE-2023-3333 and prevent potential exploitation by malicious actors.

Immediate Steps to Take

One immediate mitigation measure is to cease using the affected products or remove any connected USB storage devices to reduce the attack surface and prevent potential unauthorized access.

Long-Term Security Practices

Implementing robust security practices such as regular security assessments, network segmentation, and access control mechanisms can help enhance overall cybersecurity posture and prevent similar vulnerabilities in the future.

Patching and Updates

Ensure that the affected NEC Aterm router models are promptly patched with the latest security updates provided by the vendor to address the CVE-2023-3333 vulnerability and strengthen the security of the devices.