CVE-2023-32992 : Vulnerability Insights and Analysis

A vulnerability has been identified in Jenkins SAML Single Sign On(SSO) Plugin version 2.0.2 and earlier, allowing attackers with specific permissions to send HTTP requests to unauthorized URLs and parse responses as XML.

Understanding CVE-2023-32992

This CVE highlights a security flaw in the Jenkins SAML Single Sign On(SSO) Plugin that could be exploited by attackers with certain permissions.

What is CVE-2023-32992?

The CVE-2023-32992 vulnerability in Jenkins SAML Single Sign On(SSO) Plugin versions 2.0.2 and earlier allows users with Overall/Read permission to send HTTP requests to unauthorized URLs and interpret the responses as XML or parse local files on the Jenkins controller as XML.

The Impact of CVE-2023-32992

Attackers with the specified permissions can abuse this vulnerability to access unauthorized URLs and manipulate XML responses, potentially leading to unauthorized access or data leakage.

Technical Details of CVE-2023-32992

This section delves into the technical aspects of the CVE, including vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from missing permission checks in the Jenkins SAML Single Sign On(SSO) Plugin, allowing users with Overall/Read permissions to interact with URLs and parse responses as XML, or interpret local files as XML on the Jenkins controller.

Affected Systems and Versions

Jenkins SAML Single Sign On(SSO) Plugin versions 2.0.2 and earlier are impacted by this vulnerability, putting instances of these versions at risk of exploitation.

Exploitation Mechanism

Attackers with Overall/Read permission can exploit this vulnerability by sending HTTP requests to unauthorized URLs and processing the responses as XML, potentially gaining unauthorized access or manipulating data.

Mitigation and Prevention

To safeguard systems from CVE-2023-32992, immediate action is required to mitigate the risk and prevent exploitation.

Immediate Steps to Take

Users are advised to update the Jenkins SAML Single Sign On(SSO) Plugin to a secure version beyond 2.0.2, eliminating the vulnerability and enhancing system security.

Long-Term Security Practices

Implementing stringent access controls, monitoring URL requests, and regular security audits can fortify systems against similar vulnerabilities in the future.

Patching and Updates

Regularly applying patches and staying updated with security releases from Jenkins Project can help in addressing known vulnerabilities and bolstering system defenses.