CVE-2019-3864 : Exploit Details and Defense Strategies

A vulnerability in the Quay web GUI versions prior to quay-3.0.0 allows attackers to exploit a leaked CSRF token to gain unauthorized access.

Understanding CVE-2019-3864

The vulnerability in the Quay web GUI poses a security risk due to the mishandling of CSRF tokens in POST requests.

What is CVE-2019-3864?

The Quay web GUI, in versions before quay-3.0.0, fails to update the CSRF token in POST requests, potentially enabling unauthorized access if the token is leaked.

The Impact of CVE-2019-3864

The vulnerability could lead to unauthorized access to the system using a user's account, compromising confidentiality and integrity.

Technical Details of CVE-2019-3864

The technical aspects of the CVE-2019-3864 vulnerability provide insight into its nature and potential risks.

Vulnerability Description

The CSRF token in Quay web GUI POST requests is not refreshed, allowing attackers to exploit leaked tokens for unauthorized system access.

Affected Systems and Versions

Product: Quay
Vendor: Red Hat
Versions Affected: all quay-2 versions before quay-3.0.0

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Privileges Required: None
Scope: Unchanged
Confidentiality Impact: Low
Integrity Impact: Low
Availability Impact: None

Mitigation and Prevention

Protecting systems from CVE-2019-3864 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update Quay to version quay-3.0.0 or newer to mitigate the vulnerability.
Monitor for any unauthorized access or suspicious activities on the system.

Long-Term Security Practices

Implement regular security training for users to recognize and report suspicious behavior.
Employ network monitoring tools to detect and prevent unauthorized access attempts.

Patching and Updates

Apply security patches promptly to ensure the system is protected against known vulnerabilities.