CVE-2023-50771 Explained : Impact and Mitigation

A security vulnerability has been identified in Jenkins OpenId Connect Authentication Plugin, allowing attackers to conduct phishing attacks by manipulating redirect URLs.

Understanding CVE-2023-50771

This section will cover the details of CVE-2023-50771, including its impact, technical details, and mitigation strategies.

What is CVE-2023-50771?

CVE-2023-50771 is a vulnerability in Jenkins OpenId Connect Authentication Plugin versions 2.6 and earlier. The flaw allows malicious actors to trick users into visiting phishing sites by manipulating redirect URLs after login.

The Impact of CVE-2023-50771

The impact of this vulnerability is significant as it enables attackers to conduct successful phishing attacks on unsuspecting users of Jenkins OpenId Connect Authentication Plugin. By exploiting this flaw, threat actors can potentially steal sensitive information or credentials.

Technical Details of CVE-2023-50771

In this section, we will delve into the vulnerability description, affected systems, and the exploitation mechanism of CVE-2023-50771.

Vulnerability Description

The vulnerability stems from Jenkins OpenId Connect Authentication Plugin incorrectly validating the legitimacy of redirect URLs, leading to potential phishing attacks.

Affected Systems and Versions

The affected system is the Jenkins OpenId Connect Authentication Plugin with versions 2.6 and earlier. Users of these versions are at risk of falling victim to phishing attempts.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious redirect URLs that appear legitimate to the unsuspecting user. Upon clicking the link, users may unknowingly divulge sensitive information.

Mitigation and Prevention

To safeguard systems from CVE-2023-50771, immediate action and long-term security practices are crucial to mitigating risks.

Immediate Steps to Take

Users are advised to update the Jenkins OpenId Connect Authentication Plugin to a secure version. Additionally, exercise caution when clicking on login redirection URLs to mitigate phishing risks.

Long-Term Security Practices

Implement robust security awareness training for users to recognize phishing attempts. Regularly monitor and update security protocols to stay resilient against evolving threats.

Patching and Updates

Stay informed about security advisories and updates from Jenkins to promptly apply patches that address CVE-2023-50771 and other vulnerabilities.