Description
Jenkins Active Directory Plugin 2.30 and earlier ignores the "Require TLS" and "StartTls" options and always performs the connection test to Active directory unencrypted, allowing attackers able to capture network traffic between the Jenkins controller and Active Directory servers to obtain Active Directory credentials.
Remediation
References
http://www.openwall.com/lists/oss-security/2023/07/12/2
https://www.jenkins.io/security/advisory/2023-07-12/#SECURITY-3059
Related Vulnerabilities
CVE-2019-5484 Vulnerability in npm package bower
CVE-2019-16564 Vulnerability in maven package com.paul8620.jenkins.plugins:pipeline-aggregator-view
CVE-2022-41930 Vulnerability in maven package org.xwiki.platform:xwiki-platform-user-profile-ui
CVE-2020-5398 Vulnerability in maven package org.springframework:spring-web