CVE-2019-18452 : Vulnerability Insights and Analysis

A vulnerability was identified in GitLab Community and Enterprise Edition versions 11.3 through 12.4. The vulnerability pertains to the process of transferring an issue from a private project to a public one, wherein the permissions are found to be insecure.

Understanding CVE-2019-18452

This CVE involves a security issue in GitLab versions 11.3 through 12.4 related to transferring issues between projects with insecure permissions.

What is CVE-2019-18452?

CVE-2019-18452 is a vulnerability in GitLab Community and Enterprise Edition versions 11.3 through 12.4 that allows insecure permissions when moving an issue from a private project to a public one.

The Impact of CVE-2019-18452

The vulnerability could potentially lead to unauthorized access to sensitive information, compromising the confidentiality and integrity of data within GitLab instances.

Technical Details of CVE-2019-18452

This section provides detailed technical information about the CVE.

Vulnerability Description

An issue was discovered in GitLab Community and Enterprise Edition 11.3 through 12.4 when moving an issue to a public project from a private one, resulting in insecure permissions.

Affected Systems and Versions

GitLab Community Edition versions 11.3 through 12.4
GitLab Enterprise Edition versions 11.3 through 12.4

Exploitation Mechanism

The vulnerability occurs during the process of transferring an issue from a private project to a public one, where insecure permissions are set, allowing unauthorized access.

Mitigation and Prevention

To address CVE-2019-18452, follow these mitigation steps:

Immediate Steps to Take

Upgrade GitLab to a version where the vulnerability is patched.
Review and adjust project permissions to ensure secure access control.

Long-Term Security Practices

Regularly monitor and audit project permissions to prevent unauthorized access.
Educate users on proper permission settings and data handling practices.

Patching and Updates

Apply security patches provided by GitLab promptly to address known vulnerabilities and enhance system security.