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CVE-2017-2651 Explained : Impact and Mitigation

Learn about CVE-2017-2651 affecting Jenkins-mailer-plugin version 1.20 and earlier. Discover the impact, technical details, and mitigation steps for this security vulnerability.

Jenkins-mailer-plugin version 1.20 and earlier is vulnerable to a security flaw that can lead to the disclosure of sensitive information. This flaw allows unauthorized individuals to receive emails, potentially compromising data security.

Understanding CVE-2017-2651

This CVE involves a vulnerability in the jenkins-mailer-plugin that can result in the unintended disclosure of information through email communications.

What is CVE-2017-2651?

The jenkins-mailer-plugin, before version 1.20, is susceptible to a security flaw that allows the sending of emails to individuals without user accounts in Jenkins. This issue arises from mapping errors related to email addresses.

The Impact of CVE-2017-2651

The vulnerability in the jenkins-mailer-plugin can have the following impacts:

        Disclosure of sensitive information through email communications
        Sending emails to unauthorized individuals
        Potential compromise of data security

Technical Details of CVE-2017-2651

The technical aspects of this CVE provide insight into the vulnerability and its implications.

Vulnerability Description

The vulnerability in jenkins-mailer-plugin version 1.20 and earlier allows for the disclosure of sensitive information by sending emails to unauthorized recipients.

Affected Systems and Versions

        Product: jenkins-mailer-plugin
        Vendor: Jenkins
        Vulnerable Version: 1.20

Exploitation Mechanism

The vulnerability occurs due to mapping errors associated with the local-part of email addresses, enabling unauthorized individuals to receive emails.

Mitigation and Prevention

Addressing CVE-2017-2651 requires immediate actions and long-term security practices.

Immediate Steps to Take

To mitigate the risks associated with CVE-2017-2651, consider the following:

        Upgrade jenkins-mailer-plugin to version 1.20 or later
        Review email configurations to ensure proper recipient mapping

Long-Term Security Practices

To enhance overall security posture, implement the following practices:

        Regularly update software and plugins to the latest versions
        Conduct security assessments to identify and address vulnerabilities

Patching and Updates

Ensure timely patching and updates for the jenkins-mailer-plugin to prevent exploitation of this vulnerability.

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