CVE-2023-24769 : Exploit Details and Defense Strategies

This CVE-2023-24769 was published on February 17, 2023, and affects Changedetection.io before version v0.40.1.1. It involves a stored cross-site scripting (XSS) vulnerability that can be exploited by attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the URL parameter under the "Add a new change detection watch" function.

Understanding CVE-2023-24769

This section provides an overview of CVE-2023-24769, its impact, technical details, and mitigation strategies.

What is CVE-2023-24769?

CVE-2023-24769 is a stored cross-site scripting (XSS) vulnerability found in Changedetection.io before version v0.40.1.1. Attackers can leverage this vulnerability to execute malicious scripts on the target system by injecting crafted payloads into the URL parameter.

The Impact of CVE-2023-24769

The impact of CVE-2023-24769 is significant as it allows threat actors to execute arbitrary web scripts or HTML, posing a serious risk to the confidentiality and integrity of the affected system. It can lead to various malicious activities, including data theft, unauthorized access, and system compromise.

Technical Details of CVE-2023-24769

In this section, we delve into the vulnerability description, affected systems, and the exploitation mechanism of CVE-2023-24769.

Vulnerability Description

The vulnerability in Changedetection.io before v0.40.1.1 allows stored cross-site scripting (XSS) attacks, enabling attackers to inject and execute malicious scripts within the application.

Affected Systems and Versions

The affected system for CVE-2023-24769 is Changedetection.io before version v0.40.1.1. All previous versions are susceptible to this stored cross-site scripting vulnerability.

Exploitation Mechanism

Exploiting CVE-2023-24769 involves injecting a crafted payload into the URL parameter under the "Add a new change detection watch" function. Attackers can then execute malicious web scripts or HTML within the application.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-24769, the following steps can be taken to enhance security measures and protect systems from exploitation.

Immediate Steps to Take

Update Changedetection.io to version v0.40.1.1 or later to patch the vulnerability.
Monitor and sanitize user inputs to prevent malicious script injections.
Implement input validation and output encoding to mitigate cross-site scripting attacks.

Long-Term Security Practices

Regularly conduct security assessments and vulnerability scans on the application.
Educate developers and users about the risks of cross-site scripting and the importance of secure coding practices.
Keep abreast of security updates and patches released by the application vendors.

Patching and Updates

It is crucial to stay informed about security patches and updates released by Changedetection.io to address known vulnerabilities. Regularly applying these patches will help in maintaining a secure and resilient system environment.