CVE-2023-52240 : What You Need to Know

A security vulnerability has been discovered in the Kantega SAML SSO OIDC Kerberos Single Sign-on apps for Atlassian products. This CVE allows for XSS if SAML POST Binding is enabled. Read on to understand the impact, technical details, and mitigation steps for CVE-2023-52240.

Understanding CVE-2023-52240

This section delves into the specifics of CVE-2023-52240.

What is CVE-2023-52240?

The Kantega SAML SSO OIDC Kerberos Single Sign-on apps before version 6.20.0 for various Atlassian products are vulnerable to XSS if SAML POST Binding is enabled. This affects specific versions of the Kantega SAML SSO OIDC Kerberos Single Sign-on apps.

The Impact of CVE-2023-52240

The security vulnerability in Kantega SAML SSO OIDC Kerberos Single Sign-on apps can allow for Cross-Site Scripting (XSS) attacks. This could potentially lead to unauthorized access, data theft, and other malicious activities.

Technical Details of CVE-2023-52240

This section provides more technical insights into CVE-2023-52240.

Vulnerability Description

The vulnerability arises from improper input validation in the affected Kantega SAML SSO OIDC Kerberos Single Sign-on apps, leading to XSS when SAML POST Binding is enabled.

Affected Systems and Versions

The following products and versions are impacted by CVE-2023-52240:

Kantega SAML SSO OIDC Kerberos Single Sign-on for Jira Data Center & Server
Kantega SAML SSO OIDC Kerberos Single Sign-on for Confluence Data Center & Server
Kantega SAML SSO OIDC Kerberos Single Sign-on for Bitbucket Data Center & Server
Kantega SAML SSO OIDC Kerberos Single Sign-on for Bamboo Data Center & Server
Kantega SAML SSO OIDC Kerberos Single Sign-on for FeCru Server

Exploitation Mechanism

The vulnerability can be exploited by an attacker by injecting malicious scripts through SAML POST Binding, potentially compromising the security of the affected systems.

Mitigation and Prevention

Learn how to protect your systems from CVE-2023-52240.

Immediate Steps to Take

Disable SAML POST Binding in the affected Kantega SAML SSO OIDC Kerberos Single Sign-on apps.
Monitor for any unauthorized access or suspicious activities.

Long-Term Security Practices

Regularly update the Kantega SAML SSO OIDC Kerberos Single Sign-on apps to the latest secure versions.
Conduct security audits and penetration testing to identify and address vulnerabilities proactively.

Patching and Updates

Apply patches provided by Kantega for the affected products and versions to mitigate the XSS vulnerability.