CVE-2020-2198 : Security Advisory and Response
Learn about CVE-2020-2198 affecting Jenkins Project Inheritance Plugin versions <= 19.08.02. Find out the impact, technical details, and mitigation steps for this security vulnerability.
Jenkins Project Inheritance Plugin 19.08.02 and earlier versions are affected by a vulnerability that exposes encrypted secrets in the 'getConfigAsXML' API URL.
Understanding CVE-2020-2198
This CVE involves a security issue in the Jenkins Project Inheritance Plugin that could lead to the exposure of sensitive information.
What is CVE-2020-2198?
This CVE refers to a vulnerability in the Jenkins Project Inheritance Plugin versions 19.08.02 and earlier, where encrypted secrets are not properly redacted when transmitting job config.xml data to unauthorized users.
The Impact of CVE-2020-2198
The vulnerability allows unauthorized users to access encrypted secrets, potentially leading to unauthorized disclosure of sensitive information and compromising the security of Jenkins instances.
Technical Details of CVE-2020-2198
The technical aspects of the vulnerability are as follows:
Vulnerability Description
Jenkins Project Inheritance Plugin 19.08.02 and earlier versions do not properly redact encrypted secrets in the 'getConfigAsXML' API URL, exposing sensitive data.
Affected Systems and Versions
- Product: Jenkins Project Inheritance Plugin
- Vendor: Jenkins project
- Versions Affected: <= 19.08.02, next of 19.08.02
Exploitation Mechanism
The vulnerability can be exploited by unauthorized users accessing the 'getConfigAsXML' API URL to retrieve job config.xml data containing unredacted encrypted secrets.
Mitigation and Prevention
To address CVE-2020-2198, follow these mitigation steps:
Immediate Steps to Take
- Upgrade Jenkins Project Inheritance Plugin to a version that includes a fix for the vulnerability.
- Restrict access to the 'getConfigAsXML' API URL to authorized users only.
Long-Term Security Practices
- Regularly review and update Jenkins plugins to ensure they are up-to-date and secure.
- Implement access controls and permissions to limit sensitive data exposure.
Patching and Updates
- Apply patches and updates provided by Jenkins project to fix the vulnerability and enhance security measures.