CVE-2018-1000185 : What You Need to Know
Learn about CVE-2018-1000185 affecting Jenkins GitHub Branch Source Plugin versions 2.3.4 and older. Find out the impact, technical details, and mitigation steps.
Jenkins GitHub Branch Source Plugin versions 2.3.4 and older contain a vulnerability that allows attackers with Overall/Read access to perform a server-side request forgery, manipulating Jenkins to send GET requests to specific URLs.
Understanding CVE-2018-1000185
This CVE involves a security vulnerability in Jenkins GitHub Branch Source Plugin versions 2.3.4 and earlier, enabling unauthorized manipulation of Jenkins through a server-side request forgery.
What is CVE-2018-1000185?
A server-side request forgery vulnerability in Jenkins GitHub Branch Source Plugin versions 2.3.4 and older allows attackers with Overall/Read access to trigger Jenkins to make GET requests to specified URLs.
The Impact of CVE-2018-1000185
- Attackers with the mentioned access can exploit this vulnerability to manipulate Jenkins into sending unauthorized GET requests.
Technical Details of CVE-2018-1000185
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The vulnerability exists in the Endpoint.java file of Jenkins GitHub Branch Source Plugin versions 2.3.4 and earlier, facilitating server-side request forgery.
Affected Systems and Versions
- Affected Product: Jenkins GitHub Branch Source Plugin
- Affected Versions: 2.3.4 and older
Exploitation Mechanism
- Attackers with Overall/Read access can exploit the vulnerability to trick Jenkins into initiating GET requests to specific URLs.
Mitigation and Prevention
Protective measures to address and prevent exploitation of CVE-2018-1000185.
Immediate Steps to Take
- Upgrade Jenkins GitHub Branch Source Plugin to a non-vulnerable version.
- Restrict Overall/Read access to authorized personnel only.
Long-Term Security Practices
- Regularly monitor and update Jenkins and its plugins to the latest secure versions.
- Implement access controls and least privilege principles to limit unauthorized actions.
Patching and Updates
- Apply patches and security updates promptly to mitigate the vulnerability and enhance system security.