CVE-2018-1999036 Explained : Impact and Mitigation
Learn about CVE-2018-1999036, a vulnerability in Jenkins SSH Agent Plugin versions 1.15 and earlier that exposes SSH private key passwords. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
Jenkins SSH Agent Plugin versions 1.15 and earlier have a vulnerability that exposes the SSH private key password to users with specific permissions.
Understanding CVE-2018-1999036
This CVE involves a security vulnerability in the Jenkins SSH Agent Plugin that can lead to the exposure of sensitive information.
What is CVE-2018-1999036?
An exposure of sensitive information vulnerability exists in Jenkins SSH Agent Plugin 1.15 and earlier in SSHAgentStepExecution.java, allowing users with permission to read the build log to access the SSH private key password.
The Impact of CVE-2018-1999036
The vulnerability can result in unauthorized users gaining access to sensitive SSH private key information, compromising the security of the system and potentially leading to unauthorized access.
Technical Details of CVE-2018-1999036
The technical aspects of the CVE provide insight into the specific details of the vulnerability.
Vulnerability Description
Jenkins SSH Agent Plugin versions 1.15 and earlier contain a flaw in SSHAgentStepExecution.java that exposes the SSH private key password to users with build log access permissions.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: All versions prior to 1.15
Exploitation Mechanism
The vulnerability allows users with permission to access the build log to view the SSH private key password, potentially leading to unauthorized access to sensitive information.
Mitigation and Prevention
Steps to address and prevent the exploitation of the vulnerability.
Immediate Steps to Take
- Upgrade Jenkins SSH Agent Plugin to version 1.15 or later.
- Restrict access to the build log to authorized users only.
Long-Term Security Practices
- Regularly review and update permissions and access controls within Jenkins.
- Implement secure coding practices to minimize the risk of similar vulnerabilities.
Patching and Updates
- Apply patches and updates provided by Jenkins to address the vulnerability and enhance system security.