CVE-2023-3084 : Exploit Details and Defense Strategies

This CVE details a Cross-site Scripting (XSS) vulnerability stored in the GitHub repository nilsteampassnet/teampass prior to version 3.0.9.

Understanding CVE-2023-3084

This section will delve into the specifics of CVE-2023-3084, explaining the vulnerability and its impact in detail.

What is CVE-2023-3084?

CVE-2023-3084 is a Cross-site Scripting (XSS) vulnerability found in the nilsteampassnet/teampass GitHub repository before version 3.0.9. This vulnerability, identified by CWE-79, allows attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-3084

The impact of this vulnerability is rated as HIGH, with a CVSSv3 base score of 8.1. It can lead to unauthorized access, data theft, and potential compromise of user information.

Technical Details of CVE-2023-3084

In this section, we will explore the technical aspects of CVE-2023-3084, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from improper neutralization of input during web page generation, allowing attackers to execute malicious scripts in the context of a user's browser.

Affected Systems and Versions

The specific affected system is nilsteampassnet/teampass version prior to 3.0.9.

Exploitation Mechanism

Exploiting this vulnerability involves injecting malicious scripts through user input fields or other vulnerable entry points in the web application.

Mitigation and Prevention

To safeguard systems from CVE-2023-3084 and similar vulnerabilities, immediate steps should be taken along with long-term security practices and regular patching.

Immediate Steps to Take

Update nilsteampassnet/teampass to version 3.0.9 or higher to eliminate the vulnerability.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities proactively.
Educate developers and users on secure coding practices and awareness of XSS risks.

Patching and Updates

Stay informed about security updates and patches released by nilsteampassnet/teampass to address XSS vulnerabilities and other security issues. Regularly apply these updates to keep systems secure.