CVE-2020-13337 : Vulnerability Insights and Analysis

An issue has been discovered in GitLab affecting versions from 12.10 to 12.10.12 that allowed for a stored XSS payload to be added as a group name.

Understanding CVE-2020-13337

This CVE involves a vulnerability in GitLab versions 12.10 to 12.10.12 that enables the insertion of a stored XSS payload as a group name.

What is CVE-2020-13337?

The vulnerability in GitLab versions 12.10 to 12.10.12 permits the insertion of a stored XSS payload as a group name.

The Impact of CVE-2020-13337

CVSS Score: 7.2 (High Severity)
Attack Vector: Network
Attack Complexity: Low
Privileges Required: High
Confidentiality, Integrity, and Availability Impact: High

Technical Details of CVE-2020-13337

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The issue allows for a stored XSS payload to be added as a group name in GitLab versions 12.10 to 12.10.12.

Affected Systems and Versions

Affected Product: GitLab
Affected Versions: >=12.10, <12.10.13

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting a malicious XSS payload as a group name in the affected GitLab versions.

Mitigation and Prevention

To address and prevent the CVE-2020-13337 vulnerability, follow these steps:

Immediate Steps to Take

Upgrade GitLab to version 12.10.13 or newer to mitigate the vulnerability.
Monitor for any unusual activities related to group names in GitLab.

Long-Term Security Practices

Regularly update GitLab to the latest versions to ensure security patches are applied.
Educate users on the importance of secure naming conventions to prevent XSS attacks.

Patching and Updates

Stay informed about security updates from GitLab and promptly apply patches to address known vulnerabilities.