CVE-2018-1999035 : What You Need to Know

Jenkins Inedo BuildMaster Plugin 1.3 and earlier versions contain a man-in-the-middle vulnerability that allows attackers to impersonate services connected to Jenkins.

Understanding CVE-2018-1999035

This CVE involves a security flaw in Jenkins Inedo BuildMaster Plugin versions 1.3 and below, enabling attackers to perform man-in-the-middle attacks.

What is CVE-2018-1999035?

The vulnerability in Jenkins Inedo BuildMaster Plugin versions 1.3 and earlier allows malicious actors to mimic any service that Jenkins communicates with, potentially leading to unauthorized access and data compromise.

The Impact of CVE-2018-1999035

The presence of this vulnerability poses a significant risk as attackers can intercept communication between Jenkins and other services, potentially leading to data theft, unauthorized access, and service disruption.

Technical Details of CVE-2018-1999035

This section provides detailed technical insights into the CVE.

Vulnerability Description

The vulnerability exists in files such as BuildMasterConfiguration.java, BuildMasterConfig.java, and BuildMasterApi.java, allowing attackers to impersonate services connected to Jenkins.

Affected Systems and Versions

Product: Jenkins Inedo BuildMaster Plugin
Vendor: Inedo
Versions affected: 1.3 and earlier

Exploitation Mechanism

Attackers exploit the vulnerability by intercepting communication between Jenkins and other services, enabling them to impersonate these services and potentially gain unauthorized access.

Mitigation and Prevention

Protecting systems from CVE-2018-1999035 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins Inedo BuildMaster Plugin to the latest version that addresses the vulnerability.
Monitor network traffic for any suspicious activity that could indicate a man-in-the-middle attack.

Long-Term Security Practices

Implement encryption protocols to secure communication between Jenkins and connected services.
Regularly audit and review code for vulnerabilities that could be exploited in similar attacks.

Patching and Updates

Apply security patches promptly to ensure that known vulnerabilities are addressed and mitigated effectively.