CVE-2018-1000601 Explained : Impact and Mitigation
Learn about CVE-2018-1000601, a vulnerability in Jenkins SSH Credentials Plugin versions 1.13 and earlier, allowing unauthorized access to files on the Jenkins master file system. Find mitigation steps and prevention measures.
A vulnerability has been discovered in BasicSSHUserPrivateKey.java, a component of Jenkins SSH Credentials Plugin versions 1.13 and earlier, allowing unauthorized access to files on the Jenkins master file system.
Understanding CVE-2018-1000601
This CVE identifies an arbitrary file read vulnerability in Jenkins SSH Credentials Plugin versions 1.13 and earlier.
What is CVE-2018-1000601?
This vulnerability enables individuals with a Jenkins account and the authority to configure credential bindings to access and view any file of their choosing on the Jenkins master file system.
The Impact of CVE-2018-1000601
The vulnerability poses a risk of unauthorized access to sensitive files on the Jenkins master file system, potentially leading to data leakage and security breaches.
Technical Details of CVE-2018-1000601
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability exists in BasicSSHUserPrivateKey.java in Jenkins SSH Credentials Plugin versions 1.13 and earlier, allowing attackers with specific permissions to read arbitrary files from the Jenkins master file system.
Affected Systems and Versions
- Product: Jenkins SSH Credentials Plugin
- Versions affected: 1.13 and earlier
Exploitation Mechanism
Attackers with a Jenkins account and the permission to configure credential bindings can exploit this vulnerability to read any file on the Jenkins master file system.
Mitigation and Prevention
Protecting systems from CVE-2018-1000601 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update Jenkins SSH Credentials Plugin to the latest version that contains a patch for this vulnerability.
- Restrict access permissions for Jenkins accounts to minimize the risk of unauthorized file access.
Long-Term Security Practices
- Regularly monitor and audit file access and permissions within the Jenkins environment.
- Educate users on secure credential management practices to prevent unauthorized access.
Patching and Updates
Ensure timely installation of security patches and updates for Jenkins and its associated plugins to address known vulnerabilities.