CVE-2023-50769 : Exploit Details and Defense Strategies

A detailed overview of CVE-2023-50769, focusing on the impact, technical details, and mitigation strategies.

Understanding CVE-2023-50769

In this section, we will explore the specifics of CVE-2023-50769, shedding light on the vulnerability and its implications.

What is CVE-2023-50769?

The CVE-2023-50769 vulnerability involves missing permission checks in Jenkins Nexus Platform Plugin 3.18.0-03 and earlier versions. This flaw allows attackers with Overall/Read permission to connect to an attacker-specified HTTP server using credentials IDs obtained through another method, enabling them to capture stored credentials within Jenkins.

The Impact of CVE-2023-50769

The impact of this vulnerability is significant as it enables malicious actors to gain unauthorized access to sensitive credentials stored within Jenkins, potentially leading to further exploitation and security breaches.

Technical Details of CVE-2023-50769

Delve into the technical specifics of CVE-2023-50769, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability stems from the lack of proper permission checks in Jenkins Nexus Platform Plugin versions prior to 3.18.0-03, allowing unauthorized users to establish connections to specified HTTP servers and extract stored credentials.

Affected Systems and Versions

The Jenkins Nexus Platform Plugin versions equal to or less than 3.18.0-03 are impacted by this vulnerability, emphasizing the importance of timely updates and security patches.

Exploitation Mechanism

Malicious actors with Overall/Read permission can exploit this vulnerability by connecting to a predetermined HTTP server using acquired credentials, resulting in the extraction of sensitive data from Jenkins.

Mitigation and Prevention

Explore the necessary steps to mitigate the risks posed by CVE-2023-50769, focusing on immediate actions and long-term security practices.

Immediate Steps to Take

To address CVE-2023-50769 promptly, users are advised to update the Jenkins Nexus Platform Plugin to a version beyond 3.18.0-03, restricting Overall/Read permissions, and monitoring for any unauthorized access attempts.

Long-Term Security Practices

Incorporating robust access controls, regular security audits, and employee training on best security practices are crucial for enhancing the long-term security posture and resilience against similar vulnerabilities.

Patching and Updates

Regularly applying security patches, staying informed about new updates, and promptly implementing fixes are essential for safeguarding systems against potential exploits and vulnerabilities.