CVE-2022-34177 : Vulnerability Insights and Analysis

This article provides an overview of CVE-2022-34177, a vulnerability affecting Jenkins Pipeline: Input Step Plugin.

Understanding CVE-2022-34177

CVE-2022-34177 is a security issue that impacts the Jenkins Pipeline: Input Step Plugin, allowing attackers to manipulate files on the Jenkins controller file system.

What is CVE-2022-34177?

The vulnerability in Jenkins Pipeline: Input Step Plugin versions 448.v37cea_9a_10a_70 and earlier enables attackers to upload files for

file

parameters without proper sanitization, potentially leading to unauthorized file manipulation.

The Impact of CVE-2022-34177

Exploitation of this vulnerability could result in attackers creating or replacing arbitrary files on the Jenkins controller file system with malicious content, posing a significant security risk to affected systems.

Technical Details of CVE-2022-34177

This section delves into the specifics of the vulnerability, including the affected systems, exploitation mechanism, and potential consequences.

Vulnerability Description

Jenkins Pipeline: Input Step Plugin versions 448.v37cea_9a_10a_70 and below allow attackers to upload files for

file

parameters without proper sanitization, opening the door for unauthorized file manipulation on the Jenkins controller.

Affected Systems and Versions

The vulnerability affects Jenkins Pipeline: Input Step Plugin versions 448.v37cea_9a_10a_70 and earlier, putting these systems at risk of file manipulation by malicious actors.

Exploitation Mechanism

Attackers can exploit this vulnerability by configuring Pipelines to upload files for

file

parameters, leveraging the parameter name as a relative path within a build-related directory to manipulate files on the Jenkins controller.

Mitigation and Prevention

In this section, we discuss the steps to mitigate the CVE-2022-34177 vulnerability and prevent potential security breaches.

Immediate Steps to Take

To address this issue, users should update Jenkins Pipeline: Input Step Plugin to a patched version that addresses the vulnerability and sanitize input parameters to prevent unauthorized file uploads.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and staying informed about security advisories can help organizations enhance their overall cybersecurity posture.

Patching and Updates

Regularly applying software patches and updates, especially those addressing known vulnerabilities like CVE-2022-34177, is crucial to maintaining a secure software environment.