CVE-2018-19578 : Security Advisory and Response

GitLab EE version 11.5 before 11.5.1 is susceptible to an insecure object reference vulnerability that enables a user with Reporter privileges to access the Jaeger Tracing Operations page.

Understanding CVE-2018-19578

This CVE involves a security issue in GitLab EE that could allow unauthorized access to sensitive information.

What is CVE-2018-19578?

The insecure object reference vulnerability in GitLab EE, version 11.5 prior to 11.5.1, permits a user with Reporter privileges to view the Jaeger Tracing Operations page.

The Impact of CVE-2018-19578

This vulnerability could lead to unauthorized access to sensitive tracing operations data, potentially compromising the confidentiality of the information.

Technical Details of CVE-2018-19578

GitLab EE version 11.5 before 11.5.1 is affected by this security flaw.

Vulnerability Description

The vulnerability allows a user with Reporter privileges to access and view the Jaeger Tracing Operations page, potentially exposing sensitive information.

Affected Systems and Versions

Product: GitLab EE
Vulnerable Versions: 11.5 before 11.5.1

Exploitation Mechanism

Unauthorized users with Reporter privileges can exploit this vulnerability to access the Jaeger Tracing Operations page.

Mitigation and Prevention

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

Immediate Steps to Take

Upgrade GitLab EE to version 11.5.1 or later to mitigate the insecure object reference issue.
Restrict access privileges to sensitive pages to authorized personnel only.

Long-Term Security Practices

Regularly review and update access control policies to prevent unauthorized access.
Conduct security training for users to raise awareness about the importance of access control.

Patching and Updates

Stay informed about security updates and patches released by GitLab and promptly apply them to ensure system security.