CVE-2017-2609 : Exploit Details and Defense Strategies

Jenkins versions 2.44 and 2.32.2 are affected by an information disclosure vulnerability in the search suggestion feature. This CVE, identified as SECURITY-385, allows unauthorized disclosure of view names through autocomplete suggestions.

Understanding CVE-2017-2609

This CVE, published on 2018-05-22, poses a medium severity risk with a CVSS base score of 4.3.

What is CVE-2017-2609?

Prior to versions 2.44 and 2.32.2 of Jenkins, this vulnerability exposes view names in autocomplete suggestions, even if the user lacks access to them.

The Impact of CVE-2017-2609

The vulnerability can lead to unauthorized disclosure of sensitive information, potentially compromising the confidentiality of view names within Jenkins.

Technical Details of CVE-2017-2609

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The autocomplete feature in Jenkins' search box inadvertently reveals view names, including those inaccessible to the user, prior to versions 2.44 and 2.32.2.

Affected Systems and Versions

Product: Jenkins
Vendor: [UNKNOWN]
Affected Versions: Jenkins 2.44, Jenkins 2.32.2

Exploitation Mechanism

The vulnerability occurs when utilizing the autocomplete function in the search box, leading to the unintended exposure of view names.

Mitigation and Prevention

Protecting systems from CVE-2017-2609 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade Jenkins to version 2.44 or newer to mitigate the vulnerability.
Restrict access to sensitive information to authorized personnel only.

Long-Term Security Practices

Regularly monitor and update Jenkins to the latest versions to address security flaws promptly.
Educate users on secure practices to prevent inadvertent data exposure.

Patching and Updates

Apply patches and security updates provided by Jenkins to ensure ongoing protection against vulnerabilities.