CVE-2023-3083 : Security Advisory and Response

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

Understanding CVE-2023-3083

This section will provide a detailed understanding of the CVE-2023-3083 vulnerability.

What is CVE-2023-3083?

CVE-2023-3083 is a Cross-site Scripting (XSS) vulnerability found in the GitHub repository nilsteampassnet/teampass prior to version 3.0.9. This type of vulnerability allows attackers to inject malicious scripts into web pages viewed by other users.

The Impact of CVE-2023-3083

The impact of this vulnerability is rated as MEDIUM with a base score of 6.1. It can lead to unauthorized access to sensitive data, compromise of user sessions, and potential damage to the integrity and confidentiality of information.

Technical Details of CVE-2023-3083

In this section, we will delve into the technical aspects of the CVE-2023-3083 vulnerability.

Vulnerability Description

The vulnerability is classified under CWE-79, which pertains to the improper neutralization of input during web page generation (Cross-site Scripting). Attackers can exploit this weakness to execute malicious scripts within the context of a user's web browser.

Affected Systems and Versions

The affected vendor is nilsteampassnet with the product being nilsteampassnet/teampass. Specifically, versions prior to 3.0.9 are vulnerable to this XSS flaw.

Exploitation Mechanism

To exploit this vulnerability, an attacker would need to craft a malicious script and inject it into vulnerable web pages hosted on the affected nilsteampassnet/teampass GitHub repository.

Mitigation and Prevention

This section will outline the necessary steps to mitigate and prevent the exploitation of CVE-2023-3083.

Immediate Steps to Take

Update nilsteampassnet/teampass to version 3.0.9 or later to patch the XSS vulnerability.
Regularly monitor and sanitize user inputs to prevent script injection attacks.
Educate users about the risks associated with clicking on suspicious links or executing untrusted scripts.

Long-Term Security Practices

Implement Content Security Policy (CSP) headers to restrict the execution of scripts on web pages.
Conduct regular security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security updates from nilsteampassnet and promptly apply patches to mitigate known vulnerabilities such as CVE-2023-3083. Regularly monitor security advisories and take necessary actions to secure your systems.