CVE-2017-17383 : Security Advisory and Response

Jenkins version 2.93 allows authenticated administrators to execute XSS attacks by manipulating the tool name in job configuration forms. This vulnerability is identified as SECURITY-624.

Understanding CVE-2017-17383

Jenkins through version 2.93 enables remote authenticated administrators to conduct XSS attacks via a crafted tool name in job configuration forms, affecting tools like JDK in Jenkins core and Ant in the Ant plugin.

What is CVE-2017-17383?

CVE-2017-17383 is a security vulnerability in Jenkins version 2.93 that allows authenticated administrators to remotely execute XSS attacks by manipulating the tool name in job configuration forms.

The Impact of CVE-2017-17383

This vulnerability, known as SECURITY-624, poses a risk as it enables attackers to execute XSS attacks through specific tools in Jenkins, potentially compromising the integrity and security of the system.

Technical Details of CVE-2017-17383

Jenkins version 2.93 is susceptible to the following technical details:

Vulnerability Description

Authenticated administrators can conduct XSS attacks by manipulating the tool name in job configuration forms.

Affected Systems and Versions

Jenkins version 2.93

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious tool names in job configuration forms, targeting tools like JDK in Jenkins core and Ant in the Ant plugin.

Mitigation and Prevention

To address CVE-2017-17383, consider the following steps:

Immediate Steps to Take

Upgrade Jenkins to a patched version that addresses the XSS vulnerability.
Monitor and restrict access to job configuration forms to prevent unauthorized changes.

Long-Term Security Practices

Regularly update Jenkins and its plugins to the latest versions to patch known vulnerabilities.
Educate administrators on secure configuration practices to mitigate XSS risks.

Patching and Updates

Apply security patches provided by Jenkins to fix the XSS vulnerability and enhance system security.