CVE-2021-38388 : Security Advisory and Response

Central Dogma allows privilege escalation with mirroring to the internal dogma repository that has a file managing the authorization of the project.

Understanding CVE-2021-38388

This CVE affects Central Dogma, a product by LINE Corporation, allowing privilege escalation through mirroring to the internal repository.

What is CVE-2021-38388?

CVE-2021-38388 is a vulnerability in Central Dogma that enables privilege escalation by manipulating the authorization file in the project repository.

The Impact of CVE-2021-38388

This vulnerability can be exploited to gain unauthorized access and elevate privileges within the affected Central Dogma instances.

Technical Details of CVE-2021-38388

The technical details of CVE-2021-38388 are as follows:

Vulnerability Description

The vulnerability in Central Dogma enables attackers to escalate privileges by tampering with the authorization file during repository mirroring.

Affected Systems and Versions

Central Dogma versions 0.17.0 to 0.51.1 are affected by this privilege escalation vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by mirroring to the internal dogma repository and manipulating the authorization file.

Mitigation and Prevention

To mitigate and prevent exploitation of CVE-2021-38388, follow these steps:

Immediate Steps to Take

Upgrade Central Dogma to a version that includes a fix for this vulnerability.
Monitor repository activities for any unauthorized changes.
Restrict access to critical project authorization files.

Long-Term Security Practices

Regularly update Central Dogma and other software components to patch known vulnerabilities.
Implement access controls and segregation of duties to limit privilege elevation.
Conduct security assessments and audits to identify and address security gaps.

Patching and Updates

Apply security patches and updates provided by LINE Corporation for Central Dogma to address CVE-2021-38388.