CVE-2018-1000189 : Exploit Details and Defense Strategies
Learn about CVE-2018-1000189, a vulnerability in Jenkins Absint Astree Plugin 1.0.5 and earlier that allows attackers to execute arbitrary commands on the Jenkins master server. Find out how to mitigate this security risk.
Jenkins Absint Astree Plugin, version 1.0.5 and earlier, contains a vulnerability that allows attackers with specific privileges to execute arbitrary commands on the Jenkins master server.
Understanding CVE-2018-1000189
This CVE involves a command execution vulnerability in Jenkins Absint Astree Plugin.
What is CVE-2018-1000189?
A security flaw in AstreeBuilder.java in Jenkins Absint Astree Plugin 1.0.5 and older allows attackers with Overall/Read access to run commands on the Jenkins master.
The Impact of CVE-2018-1000189
This vulnerability enables malicious actors to execute arbitrary commands on the Jenkins master server, potentially leading to unauthorized access and data breaches.
Technical Details of CVE-2018-1000189
This section provides more technical insights into the CVE.
Vulnerability Description
The vulnerability in AstreeBuilder.java in Jenkins Absint Astree Plugin version 1.0.5 and earlier permits attackers with specific privileges to execute arbitrary commands on the Jenkins master server.
Affected Systems and Versions
- Product: Jenkins Absint Astree Plugin
- Vendor: N/A
- Versions affected: 1.0.5 and earlier
Exploitation Mechanism
Attackers with Overall/Read privileges can exploit this vulnerability to execute arbitrary commands on the Jenkins master server.
Mitigation and Prevention
Protecting systems from CVE-2018-1000189 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update Jenkins Absint Astree Plugin to the latest version.
- Restrict Overall/Read privileges to trusted users only.
- Monitor Jenkins server for any suspicious activities.
Long-Term Security Practices
- Regularly review and update Jenkins plugins for security patches.
- Implement the principle of least privilege to limit user access.
- Conduct security training for Jenkins administrators and users.
Patching and Updates
Ensure timely installation of security patches and updates for Jenkins and its plugins to mitigate the risk of exploitation.