CVE-2023-3332 : Vulnerability Insights and Analysis

This CVE-2023-3332 was published by NEC on June 28, 2023, after it was reserved on June 20, 2023. The vulnerability affects various NEC Corporation Aterm products, allowing an attacker to execute arbitrary scripts after exploiting specific vulnerabilities.

Understanding CVE-2023-3332

This CVE involves an Improper Neutralization of Input During Web Page Generation vulnerability in multiple NEC Corporation Aterm products. This issue enables attackers to execute arbitrary scripts with elevated privileges by leveraging other identified vulnerabilities (CVE-2023-3330 and CVE-2023-3331).

What is CVE-2023-3332?

The CVE-2023-3332 vulnerability is related to improper neutralization of input during web page generation in NEC Corporation Aterm products. This flaw permits threat actors to execute arbitrary scripts, gaining unauthorized access and control over the affected systems.

The Impact of CVE-2023-3332

The impact of CVE-2023-3332 is significant as it exposes a wide range of NEC Corporation Aterm products to exploitation. Attackers can leverage this vulnerability to execute malicious scripts, compromise systems, and potentially exfiltrate sensitive data.

Technical Details of CVE-2023-3332

This section provides more insight into the vulnerability's technical aspects, affected systems, and how it can be exploited.

Vulnerability Description

The Improper Neutralization of Input During Web Page Generation vulnerability in NEC Corporation Aterm products allows an attacker to execute arbitrary scripts, specifically after exploiting CVE-2023-3330 and CVE-2023-3331 vulnerabilities. This can lead to unauthorized access and compromise of the affected systems.

Affected Systems and Versions

Multiple NEC Corporation Aterm products are impacted by CVE-2023-3332, including Aterm WG2600HP2, WG2600HP, WG2200HP, WG1800HP2, WG1800HP, WG1400HP, WG600HP, WG300HP, WF300HP, WR9500N, WR9300N, WR8750N, WR8700N, WR8600N, WR8370N, WR8175N, and WR8170N, across all versions.

Exploitation Mechanism

Attackers can exploit CVE-2023-3332 by injecting malicious scripts into web pages generated by the affected Aterm products. By leveraging high privileges obtained through other identified vulnerabilities, threat actors can execute arbitrary code, leading to system compromise.

Mitigation and Prevention

To address CVE-2023-3332 and enhance overall security posture, organizations and users must take immediate steps and implement long-term security practices.

Immediate Steps to Take

Stop using the affected NEC Corporation Aterm products.
Consider removing USB storage if present in the affected systems to reduce the attack surface.

Long-Term Security Practices

Regularly update and patch the firmware of NEC Corporation Aterm products to mitigate vulnerabilities.
Employ network segmentation and access controls to minimize the impact of potential exploits.

Patching and Updates

Keep a close eye on security advisories from NEC Corporation and promptly apply any released patches or updates to address CVE-2023-3332 and other related vulnerabilities, ensuring the protection of the systems.