CVE-2020-13322 : Vulnerability Insights and Analysis

A vulnerability in GitLab versions after 12.9 allows unauthorized users to create and delete deploy tokens due to improper permission verification.

Understanding CVE-2020-13322

This CVE involves an improper authorization issue in GitLab that can have a significant impact on system security.

What is CVE-2020-13322?

CVE-2020-13322 is a vulnerability found in GitLab versions after 12.9, where unauthorized users can manipulate deploy tokens due to inadequate permission checks.

The Impact of CVE-2020-13322

The vulnerability has a high severity level with significant impacts on confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2020-13322

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability arises from improper permission verification in GitLab versions after 12.9, enabling unauthorized users to create and delete deploy tokens.

Affected Systems and Versions

Affected versions include GitLab >=12.9, <12.10.13, >=13.0, <13.0.8, and >=13.1, <13.1.2.

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
Privileges Required: High
User Interaction: None
Scope: Unchanged
Confidentiality, Integrity, and Availability Impact: High
CVSS Base Score: 7.2

Mitigation and Prevention

Protect your systems from CVE-2020-13322 with the following steps:

Immediate Steps to Take

Update GitLab to a patched version immediately.
Monitor deploy tokens for unauthorized activities.

Long-Term Security Practices

Regularly review and update permission settings in GitLab.
Conduct security training to educate users on proper token usage.

Patching and Updates

Apply security patches provided by GitLab promptly to address this vulnerability.