CVE-2023-32988 : Security Advisory and Response

A missing permission check in Jenkins Azure VM Agents Plugin 852.v8d35f0960a_43 and earlier allows attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.

Understanding CVE-2023-32988

This CVE highlights a vulnerability in the Jenkins Azure VM Agents Plugin that could be exploited by attackers with specific permissions.

What is CVE-2023-32988?

CVE-2023-32988 is a security vulnerability in Jenkins Azure VM Agents Plugin versions 852.v8d35f0960a_43 and earlier, allowing unauthorized users to access credentials IDs stored in Jenkins.

The Impact of CVE-2023-32988

The impact of this vulnerability is that attackers with Overall/Read permissions can gather sensitive information, posing a significant risk to the confidentiality of credentials stored in Jenkins.

Technical Details of CVE-2023-32988

This section provides more details on the vulnerability, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from a missing permission check in Jenkins Azure VM Agents Plugin versions 852.v8d35f0960a_43 and earlier, enabling unauthorized access to credential IDs.

Affected Systems and Versions

Affected systems include Jenkins instances running versions of the Jenkins Azure VM Agents Plugin up to 852.v8d35f0960a_43.

Exploitation Mechanism

Attackers with Overall/Read permissions can exploit this vulnerability to enumerate credential IDs stored in Jenkins, potentially leading to unauthorized access to sensitive information.

Mitigation and Prevention

Here are some key steps to mitigate and prevent exploitation of CVE-2023-32988.

Immediate Steps to Take

Update Jenkins Azure VM Agents Plugin to a patched version that addresses the vulnerability.
Limit permissions to restrict access to sensitive credentials within Jenkins.

Long-Term Security Practices

Regularly review and update permission settings within Jenkins to ensure only authorized users have access to sensitive information.
Educate users on best practices for handling credentials and implementing secure Jenkins configurations.

Patching and Updates

Stay informed about security updates for Jenkins and promptly apply patches to address known vulnerabilities, reducing the risk of exploitation.