CVE-2020-29591 Explained : Impact and Mitigation

Versions of the Official registry Docker images through 2.7.0 contain a blank password for the root user, potentially allowing remote attackers to gain root access.

Understanding CVE-2020-29591

Versions of Official registry Docker images through 2.7.0 have a security vulnerability that could lead to unauthorized access.

What is CVE-2020-29591?

This CVE identifies a critical security flaw in Official registry Docker images up to version 2.7.0, where a blank password for the root user can be exploited by remote attackers to achieve root access.

The Impact of CVE-2020-29591

The presence of a blank password for the root user in affected Docker images can result in severe consequences:

Remote attackers may gain unauthorized root access to systems.
Security breaches and potential data compromise can occur.

Technical Details of CVE-2020-29591

Official registry Docker images through version 2.7.0 are susceptible to a critical security issue:

Vulnerability Description

The vulnerability involves a blank password for the root user in affected Docker images.

Affected Systems and Versions

Official registry Docker images up to version 2.7.0 are impacted.

Exploitation Mechanism

Attackers can exploit the blank root password to gain root access remotely.

Mitigation and Prevention

It is crucial to take immediate action to address this vulnerability:

Immediate Steps to Take

Update to a patched version of the Official registry Docker images.
Implement strong, unique passwords for all system accounts.
Monitor and restrict network access to vulnerable systems.

Long-Term Security Practices

Regularly audit and update container images to ensure security.
Follow best practices for container security, such as least privilege access.

Patching and Updates

Apply security patches promptly to mitigate the risk of exploitation.