CVE-2018-19580 : What You Need to Know

GitLab versions prior to 11.5.1, 11.4.8, and 11.3.11 fail to send emails to the previous email address after an email change.

Understanding CVE-2018-19580

This CVE highlights a vulnerability in GitLab versions that impacts email notifications.

What is CVE-2018-19580?

GitLab versions earlier than 11.5.1, 11.4.8, and 11.3.11 do not send emails to the old email address when a user changes their email.

The Impact of CVE-2018-19580

This vulnerability can lead to users missing important notifications and updates due to the failure to send emails to the previous address.

Technical Details of CVE-2018-19580

GitLab's email notification system is affected by this vulnerability.

Vulnerability Description

Emails are not sent to the previous email address after changing the email address on GitLab versions earlier than 11.5.1, 11.4.8, and 11.3.11.

Affected Systems and Versions

All versions of GitLab prior to 11.5.1, 11.4.8, and 11.3.11

Exploitation Mechanism

The vulnerability occurs when a user changes their email address, and the system fails to send notifications to the old email.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent this vulnerability.

Immediate Steps to Take

Upgrade GitLab to version 11.5.1, 11.4.8, or 11.3.11 or newer to mitigate the issue.
Encourage users to update their email addresses manually if they have recently changed them.

Long-Term Security Practices

Regularly update GitLab to the latest versions to ensure all security patches are applied.
Educate users on the importance of keeping their contact information up to date.

Patching and Updates

GitLab released security updates in versions 11.5.1, 11.4.8, and 11.3.11 to address this vulnerability.