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CVE-2019-16571 Explained : Impact and Mitigation

Learn about CVE-2019-16571 affecting Jenkins RapidDeploy Plugin versions 4.1 and earlier. Find out the impact, affected systems, exploitation, and mitigation steps.

In versions 4.1 and earlier of the Jenkins RapidDeploy Plugin, a vulnerability exists that allows individuals with specific permissions to establish connections with attacker-specified web servers.

Understanding CVE-2019-16571

This CVE pertains to a missing permission check in the Jenkins RapidDeploy Plugin, potentially enabling unauthorized access.

What is CVE-2019-16571?

The vulnerability in the Jenkins RapidDeploy Plugin versions 4.1 and below allows users with Overall/Read authorization to connect to a web server specified by attackers.

The Impact of CVE-2019-16571

This vulnerability could be exploited by malicious actors to establish unauthorized connections to potentially harmful web servers, compromising the security of the affected systems.

Technical Details of CVE-2019-16571

The technical aspects of the CVE provide insight into the specific vulnerability and its implications.

Vulnerability Description

The oversight in permission verification in Jenkins RapidDeploy Plugin versions 4.1 and earlier allows users with Overall/Read authorization to connect to attacker-specified web servers.

Affected Systems and Versions

        Product: Jenkins RapidDeploy Plugin
        Vendor: Jenkins project
        Versions Affected:
              <= 4.1 (status: affected)

              4.1 (status: unknown)

Exploitation Mechanism

Attackers with Overall/Read authorization can exploit this vulnerability to establish connections with web servers specified by them, potentially leading to unauthorized access.

Mitigation and Prevention

Effective measures to mitigate the risks associated with CVE-2019-16571.

Immediate Steps to Take

        Upgrade the Jenkins RapidDeploy Plugin to a version beyond 4.1 to mitigate the vulnerability.
        Restrict permissions for Overall/Read authorization to minimize the risk of unauthorized connections.

Long-Term Security Practices

        Regularly monitor and update permissions and access controls within Jenkins to prevent unauthorized access.
        Conduct security audits and assessments to identify and address potential vulnerabilities proactively.

Patching and Updates

        Stay informed about security advisories and updates from Jenkins project to promptly apply patches and fixes to address known vulnerabilities.

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