CVE-2020-9329 : Exploit Details and Defense Strategies

Gogs through 0.11.91 allows attackers to violate the admin-specified repo-creation policy due to an internal/db/repo.go race condition.

Understanding CVE-2020-9329

Gogs through version 0.11.91 is vulnerable to a race condition that enables attackers to bypass the admin-defined repository creation policy.

What is CVE-2020-9329?

This CVE describes a security issue in Gogs that allows malicious actors to circumvent the repository creation policy set by administrators.

The Impact of CVE-2020-9329

The vulnerability can be exploited by attackers to create repositories in violation of the established admin policies, potentially leading to unauthorized access or data breaches.

Technical Details of CVE-2020-9329

Gogs through version 0.11.91 is susceptible to a race condition that compromises the admin-specified repo-creation policy.

Vulnerability Description

The vulnerability arises from an internal/db/repo.go race condition in Gogs, enabling unauthorized repository creation.

Affected Systems and Versions

Product: Gogs
Vendor: N/A
Versions: Up to and including 0.11.91

Exploitation Mechanism

Attackers can exploit the race condition in internal/db/repo.go to bypass the repository creation policy and create repositories without authorization.

Mitigation and Prevention

To address CVE-2020-9329, immediate steps and long-term security practices are recommended.

Immediate Steps to Take

Update Gogs to a patched version that addresses the race condition vulnerability.
Monitor repository creation activities for any unauthorized or suspicious behavior.

Long-Term Security Practices

Regularly review and update access control policies for repository creation.
Conduct security training for administrators and users to enhance awareness of best practices.

Patching and Updates

Ensure timely installation of security patches and updates for Gogs to mitigate the race condition vulnerability.