CVE-2023-39512 : Vulnerability Insights and Analysis

Cacti is an open-source operational monitoring and fault management framework that has been found to have a Stored Cross-Site Scripting (XSS) Vulnerability. This vulnerability impacts versions prior to 1.2.25, allowing authenticated users to inject malicious scripts into the Cacti database, potentially affecting administrative accounts.

Understanding CVE-2023-39512

This section will delve into the details of the CVE-2023-39512 vulnerability in Cacti.

What is CVE-2023-39512?

CVE-2023-39512 is a Stored Cross-Site Scripting (XSS) Vulnerability in the

data_sources.php

page of Cacti. It enables authenticated users to insert harmful scripts into the database, leading to the execution of JavaScript code in the browsers of administrative Cacti accounts.

The Impact of CVE-2023-39512

This vulnerability poses a risk to the confidentiality and integrity of data stored in Cacti. An attacker with access to configure a malicious device name can exploit this vulnerability to launch a stored XSS attack on users with similar or higher privileges.

Technical Details of CVE-2023-39512

Let's explore the technical aspects of the CVE-2023-39512 vulnerability.

Vulnerability Description

The vulnerability resides in the

data_sources.php

script of Cacti, where an authenticated user can manipulate device names to inject and execute malicious scripts in the victim's browser.

Affected Systems and Versions

Cacti versions below 1.2.25 are confirmed to be affected by this XSS vulnerability.

Exploitation Mechanism

Users with permissions to configure device names in Cacti can utilize the

http://<HOST>/cacti/host.php

endpoint to insert malicious payloads, which are then displayed in

http://<HOST>/cacti/data_sources.php

.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent the exploitation of CVE-2023-39512.

Immediate Steps to Take

Users are strongly advised to upgrade to Cacti version 1.2.25 or later to address this vulnerability. For users unable to update immediately, manual filtering of HTML output is recommended as a temporary safeguard.

Long-Term Security Practices

Incorporate regular security updates and patches into your system maintenance routine to stay protected from emerging threats.

Patching and Updates

Stay informed about security advisories and promptly apply patches released by Cacti to secure your monitoring infrastructure.