CVE-2018-1000175 : What You Need to Know

Jenkins HTML Publisher Plugin 1.15 and older are affected by a path traversal vulnerability that allows attackers to replace files on the Jenkins master server.

Understanding CVE-2018-1000175

This CVE involves a security issue in the HtmlPublisherTarget.java file of Jenkins HTML Publisher Plugin.

What is CVE-2018-1000175?

A path traversal vulnerability in Jenkins HTML Publisher Plugin 1.15 and older allows attackers to manipulate the HTML Publisher build step to overwrite any files on the Jenkins master server.

The Impact of CVE-2018-1000175

This vulnerability enables attackers to compromise the integrity and confidentiality of files on the Jenkins master server.

Technical Details of CVE-2018-1000175

The following technical details provide insight into the vulnerability.

Vulnerability Description

The HtmlPublisherTarget.java file in Jenkins HTML Publisher Plugin 1.15 and older is susceptible to path traversal, allowing attackers to replace files on the Jenkins master server.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions up to and including 1.15

Exploitation Mechanism

Attackers can exploit this vulnerability by configuring the HTML Publisher build step to overwrite any files on the Jenkins master server.

Mitigation and Prevention

Protect your systems from CVE-2018-1000175 with the following measures.

Immediate Steps to Take

Update Jenkins HTML Publisher Plugin to the latest version.
Restrict access to Jenkins master server to authorized personnel only.
Monitor file changes and unauthorized access closely.

Long-Term Security Practices

Regularly audit and review Jenkins configurations and plugins for security vulnerabilities.
Educate users on secure coding practices and the importance of file integrity.

Patching and Updates

Apply security patches and updates promptly to Jenkins and its plugins to address known vulnerabilities.