CVE-2023-25766 Explained : Impact and Mitigation

This CVE-2023-25766 refers to a security vulnerability identified in the Jenkins Azure Credentials Plugin. This plugin version 253.v887e0f9e898b and earlier versions contain a missing permission check that allows attackers with Overall/Read permission to identify credentials IDs of stored credentials within Jenkins.

Understanding CVE-2023-25766

This section will delve into the specifics of CVE-2023-25766, including its impact and technical details.

What is CVE-2023-25766?

CVE-2023-25766 is a vulnerability found in the Jenkins Azure Credentials Plugin, where attackers with Overall/Read permission can enumerate credential IDs, exposing sensitive information within Jenkins.

The Impact of CVE-2023-25766

The impact of this vulnerability is significant as it enables unauthorized users to access sensitive credential IDs stored within Jenkins, potentially leading to further security breaches and unauthorized access.

Technical Details of CVE-2023-25766

In this section, we will explore the technical aspects of CVE-2023-25766, including vulnerability description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability in Jenkins Azure Credentials Plugin version 253.v887e0f9e898b and earlier versions lacks a necessary permission check, allowing users with Overall/Read permission to identify credential IDs stored in Jenkins.

Affected Systems and Versions

The affected product is the Jenkins Azure Credentials Plugin by the Jenkins Project, specifically versions equal to or less than 253.v887e0f9e898b, including unspecified custom versions.

Exploitation Mechanism

Attackers with Overall/Read permission can exploit this vulnerability by enumerating credential IDs to gain unauthorized access to sensitive information stored within Jenkins.

Mitigation and Prevention

This section will discuss the steps to take to mitigate and prevent the exploitation of CVE-2023-25766.

Immediate Steps to Take

Immediately review and update access controls in Jenkins to limit Overall/Read permissions to authorized personnel only. Consider upgrading to a patched version of the Jenkins Azure Credentials Plugin to address this vulnerability.

Long-Term Security Practices

Implement a least privilege access policy, regularly review and update permissions, conduct security training for personnel, and monitor Jenkins for any suspicious activities to enhance long-term security.

Patching and Updates

Stay informed about security advisories and updates from Jenkins Project. Regularly apply patches and updates to Jenkins and its plugins to ensure that known vulnerabilities like CVE-2023-25766 are addressed promptly.