CVE-2019-1003027 : Vulnerability Insights and Analysis

The Jenkins OctopusDeploy Plugin version 1.8.1 and earlier contain a vulnerability that allows attackers to exploit a server-side request forgery, potentially leading to unauthorized access.

Understanding CVE-2019-1003027

This CVE involves a security flaw in the Jenkins OctopusDeploy Plugin that could be exploited by attackers with specific permissions.

What is CVE-2019-1003027?

The vulnerability in the Jenkins OctopusDeploy Plugin version 1.8.1 and earlier allows attackers with Overall/Read permission to manipulate Jenkins to connect to a specified URL and retrieve the HTTP response code upon success.

The Impact of CVE-2019-1003027

The vulnerability enables attackers to perform server-side request forgery, potentially leading to unauthorized access and manipulation of Jenkins.

Technical Details of CVE-2019-1003027

This section provides more technical insights into the vulnerability.

Vulnerability Description

A server-side request forgery vulnerability exists in the OctopusDeployPlugin.java file, allowing unauthorized access to Jenkins.

Affected Systems and Versions

Product: Jenkins OctopusDeploy Plugin
Vendor: Jenkins project
Versions affected: 1.8.1 and earlier

Exploitation Mechanism

Attackers with Overall/Read permission can exploit the vulnerability to make Jenkins connect to a specified URL and retrieve the HTTP response code.

Mitigation and Prevention

Protect your systems from this vulnerability by following these steps:

Immediate Steps to Take

Update the Jenkins OctopusDeploy Plugin to a non-vulnerable version.
Restrict Overall/Read permissions to trusted users only.

Long-Term Security Practices

Regularly monitor and audit Jenkins configurations and plugins.
Educate users on security best practices to prevent unauthorized access.

Patching and Updates

Stay informed about security advisories and promptly apply patches to vulnerable software.