CVE-2018-1000148 : Security Advisory and Response
Learn about CVE-2018-1000148, a security vulnerability in Jenkins Copy To Slave Plugin version 1.4.4 and earlier allowing unauthorized access to sensitive information. Find mitigation steps and preventive measures here.
The Jenkins Copy To Slave Plugin version 1.4.4 and earlier contain a security vulnerability that allows attackers to access sensitive information.
Understanding CVE-2018-1000148
This CVE involves an exposure of sensitive information vulnerability in the Jenkins Copy To Slave Plugin.
What is CVE-2018-1000148?
The vulnerability in the CopyToSlaveBuildWrapper.java file of Jenkins Copy To Slave Plugin version 1.4.4 and older allows authorized attackers to read arbitrary files from the Jenkins master file system.
The Impact of CVE-2018-1000148
The vulnerability exposes sensitive information, potentially leading to unauthorized access to confidential data stored on the Jenkins master.
Technical Details of CVE-2018-1000148
Vulnerability Description
The security flaw in the CopyToSlaveBuildWrapper.java file enables attackers with job configuration permissions to read files from the Jenkins master.
Affected Systems and Versions
- Product: Jenkins Copy To Slave Plugin
- Vendor: Jenkins
- Versions affected: 1.4.4 and earlier
Exploitation Mechanism
Attackers with job configuration privileges can exploit this vulnerability to access and retrieve arbitrary files from the Jenkins master file system.
Mitigation and Prevention
Immediate Steps to Take
- Update Jenkins Copy To Slave Plugin to the latest version to patch the vulnerability.
- Restrict job configuration permissions to trusted users only.
Long-Term Security Practices
- Regularly monitor and audit file access and permissions within Jenkins.
- Implement least privilege access controls to limit exposure of sensitive information.
Patching and Updates
Apply security patches and updates promptly to ensure the protection of Jenkins and its associated plugins.