CVE-2023-27905 : What You Need to Know

This CVE record was published by Jenkins on March 8, 2023, highlighting a vulnerability in Jenkins update-center version 3.13 and 3.14. The vulnerability could lead to a stored cross-site scripting (XSS) issue, making it exploitable by attackers who can provide a plugin for hosting.

Understanding CVE-2023-27905

This section will delve into the details of CVE-2023-27905, explaining what the vulnerability is about and its potential impact.

What is CVE-2023-27905?

The CVE-2023-27905 vulnerability specifically affects Jenkins update-center versions 3.13 and 3.14. It occurs due to the rendering of the required Jenkins core version on plugin download index pages without proper sanitization, leading to a stored cross-site scripting (XSS) vulnerability.

The Impact of CVE-2023-27905

This vulnerability in Jenkins update-center versions 3.13 and 3.14 can be exploited by malicious actors who can provide a plugin for hosting. The potential impact includes unauthorized access, data theft, and potential manipulation of the affected systems.

Technical Details of CVE-2023-27905

In this section, we will explore the technical aspects of CVE-2023-27905, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Jenkins update-center versions 3.13 and 3.14 arises from the lack of sanitization in rendering the required Jenkins core version on plugin download index pages. This oversight allows for a stored cross-site scripting (XSS) vulnerability.

Affected Systems and Versions

The affected systems include Jenkins update-center versions 3.13 and 3.14. Users utilizing these specific versions may be at risk of exploitation if the vulnerability is not addressed promptly.

Exploitation Mechanism

Attackers with the ability to provide a plugin for hosting can exploit this vulnerability in Jenkins update-center versions 3.13 and 3.14. By doing so, they can execute cross-site scripting attacks, potentially compromising the security of the affected systems.

Mitigation and Prevention

This section will outline the necessary steps to mitigate and prevent the exploitation of CVE-2023-27905, ensuring the security of Jenkins update-center users.

Immediate Steps to Take

Users of Jenkins update-center versions 3.13 and 3.14 are advised to update to a patched version as soon as possible. Additionally, implementing web application firewalls and input validation mechanisms can help mitigate the risk of XSS attacks.

Long-Term Security Practices

To enhance long-term security, organizations should prioritize regular security assessments, code reviews, and employee training on secure coding practices. Maintaining an up-to-date inventory of plugins and monitoring security advisories can also bolster defense against vulnerabilities.

Patching and Updates

Staying vigilant for security updates from Jenkins Project is crucial. Users should regularly check for patches addressing CVE-2023-27905 and promptly apply them to ensure the protection of their systems against potential exploits.