CVE-2020-2303 : Security Advisory and Response

A cross-site request forgery (CSRF) vulnerability in Jenkins Active Directory Plugin 2.19 and earlier allows attackers to perform connection tests, connecting to attacker-specified or previously configured Active Directory servers using attacker-specified credentials.

Understanding CVE-2020-2303

This CVE involves a security vulnerability in the Jenkins Active Directory Plugin that could be exploited by attackers.

What is CVE-2020-2303?

CVE-2020-2303 is a CSRF vulnerability in the Jenkins Active Directory Plugin versions 2.19 and earlier, enabling attackers to conduct connection tests with specified credentials.

The Impact of CVE-2020-2303

The vulnerability allows attackers to connect to Active Directory servers using unauthorized credentials, posing a risk of unauthorized access and potential data breaches.

Technical Details of CVE-2020-2303

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The CSRF vulnerability in Jenkins Active Directory Plugin 2.19 and earlier permits unauthorized connection tests to Active Directory servers with attacker-specified credentials.

Affected Systems and Versions

Product: Jenkins Active Directory Plugin
Vendor: Jenkins project
Vulnerable Versions:
Custom versions less than or equal to 2.19
Version 2.16.1 is unaffected

Exploitation Mechanism

Attackers can exploit this vulnerability by performing connection tests with unauthorized credentials on Active Directory servers, potentially gaining unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2020-2303 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins Active Directory Plugin to a patched version.
Monitor and restrict access to Active Directory servers.
Implement network segmentation to limit exposure.

Long-Term Security Practices

Regularly update and patch all software components.
Conduct security audits and penetration testing.
Educate users on secure practices to prevent CSRF attacks.

Patching and Updates

Apply security patches provided by Jenkins project promptly.
Stay informed about security advisories and updates from Jenkins.