CVE-2023-33799 : Exploit Details and Defense Strategies

A stored cross-site scripting (XSS) vulnerability in the Create Contacts function of Netbox v3.5.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Name field.

Understanding CVE-2023-33799

This section provides insights into the critical aspects of CVE-2023-33799.

What is CVE-2023-33799?

CVE-2023-33799 refers to a stored cross-site scripting (XSS) vulnerability in the Create Contacts function of Netbox v3.5.1, which enables attackers to execute malicious web scripts or HTML by injecting a specially crafted payload into the Name field.

The Impact of CVE-2023-33799

The impact of this vulnerability can lead to unauthorized access, data theft, and potential compromise of sensitive information stored within the system.

Technical Details of CVE-2023-33799

In this section, we delve into the technical specifics of CVE-2023-33799.

Vulnerability Description

The vulnerability arises due to insufficient input validation in the Create Contacts function of Netbox v3.5.1, allowing threat actors to inject malicious scripts or HTML code into the Name field, which gets executed in the context of the victim's browser.

Affected Systems and Versions

The vulnerability affects Netbox v3.5.1. As of now, no specific vendor or product details are identified.

Exploitation Mechanism

Exploiting this vulnerability requires an attacker to input a specially crafted payload into the Name field of the Create Contacts function, leading to the execution of unauthorized scripts or HTML code.

Mitigation and Prevention

This section outlines the necessary steps to mitigate and prevent exploitation of CVE-2023-33799.

Immediate Steps to Take

Disable or restrict access to the Create Contacts function until a patch is available.
Implement input validation mechanisms to sanitize user inputs effectively.

Long-Term Security Practices

Regularly update Netbox to the latest version to prevent known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential security flaws.

Patching and Updates

Stay informed about security advisories from Netbox and promptly apply patches or updates to address CVE-2023-33799.