CVE-2020-26417 : Vulnerability Insights and Analysis

A vulnerability in GitLab CE/EE versions allows for information disclosure via GraphQL, potentially exposing private group and project membership.

Understanding CVE-2020-26417

This CVE involves information exposure in GitLab, affecting versions >=13.6 to <13.6.2, >=13.5 to <13.5.5, and >=13.1 to <13.4.7.

What is CVE-2020-26417?

This vulnerability in GitLab CE/EE versions enables unauthorized access to private group and project membership information through GraphQL.

The Impact of CVE-2020-26417

The vulnerability can lead to the exposure of sensitive data, compromising the confidentiality of private group and project memberships.

Technical Details of CVE-2020-26417

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability allows attackers to access private group and project membership information through GraphQL queries.

Affected Systems and Versions

Affected versions include GitLab CE/EE >=13.6 to <13.6.2, >=13.5 to <13.5.5, and >=13.1 to <13.4.7.

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: None
User Interaction: None
Scope: Unchanged
Vector String: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Mitigation and Prevention

Protect your systems and data from this vulnerability by following these steps.

Immediate Steps to Take

Update GitLab CE/EE to versions 13.6.2, 13.5.5, or 13.4.7 to mitigate the vulnerability.
Monitor and restrict access to sensitive information.

Long-Term Security Practices

Regularly review and update access controls and permissions.
Conduct security audits to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by GitLab.