CVE-2020-2117 : Vulnerability Insights and Analysis
Learn about CVE-2020-2117, a vulnerability in Jenkins Pipeline GitHub Notify Step Plugin allowing attackers to connect to specified URLs and capture stored credentials in Jenkins. Find mitigation steps here.
A missing permission check in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier allows attackers to connect to a specified URL using obtained credentials, potentially compromising Jenkins security.
Understanding CVE-2020-2117
This CVE involves a vulnerability in the Jenkins Pipeline GitHub Notify Step Plugin that could be exploited by attackers with specific permissions.
What is CVE-2020-2117?
The vulnerability in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier enables attackers with Overall/Read permission to connect to a specified URL using obtained credentials, potentially leading to the capture of stored credentials in Jenkins.
The Impact of CVE-2020-2117
This vulnerability could result in unauthorized access to sensitive information stored in Jenkins, posing a risk to the security and integrity of the system.
Technical Details of CVE-2020-2117
This section provides more technical insights into the vulnerability.
Vulnerability Description
A missing permission check in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.
Affected Systems and Versions
- Product: Jenkins Pipeline GitHub Notify Step Plugin
- Vendor: Jenkins project
- Versions Affected: <= 1.0.4 (unspecified version type: custom)
Exploitation Mechanism
Attackers with Overall/Read permission can exploit this vulnerability by connecting to a specified URL using obtained credentials, potentially compromising Jenkins security.
Mitigation and Prevention
Protecting systems from CVE-2020-2117 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Jenkins Pipeline GitHub Notify Step Plugin to a secure version.
- Restrict permissions to minimize the impact of potential attacks.
Long-Term Security Practices
- Regularly review and update Jenkins plugins to address security vulnerabilities.
- Implement least privilege access controls to limit exposure to sensitive data.
- Conduct security training for users to enhance awareness of potential threats.
Patching and Updates
Ensure timely patching of Jenkins Pipeline GitHub Notify Step Plugin and other relevant software to mitigate the risk of exploitation.