CVE-2020-10187 : Vulnerability Insights and Analysis

Doorkeeper version 5.0.0 and later contains an information disclosure vulnerability that allows unauthorized access to sensitive information.

Understanding CVE-2020-10187

This CVE identifies a security flaw in Doorkeeper versions 5.0.0 and above that can lead to the exposure of confidential data.

What is CVE-2020-10187?

Doorkeeper versions 5.0.0 and later have a vulnerability that enables attackers to access the client secret meant for the OAuth application owner.
By requesting the list of authorized applications in JSON format, attackers can obtain sensitive information.
Vulnerable applications have the authorized applications controller enabled.

The Impact of CVE-2020-10187

Attackers can retrieve client secrets intended for OAuth application owners, compromising sensitive data.
Unauthorized access to confidential information can lead to data breaches and unauthorized use of OAuth applications.

Technical Details of CVE-2020-10187

Doorkeeper version 5.0.0 and later are susceptible to an information disclosure vulnerability.

Vulnerability Description

The vulnerability allows attackers to access client secrets designated for OAuth application owners.

Affected Systems and Versions

Doorkeeper versions 5.0.0 and above are affected.

Exploitation Mechanism

Attackers exploit the vulnerability by requesting the list of authorized applications in JSON format.

Mitigation and Prevention

Steps to address and prevent the CVE-2020-10187 vulnerability.

Immediate Steps to Take

Disable the authorized applications controller if not required.
Regularly monitor and audit access to sensitive information.

Long-Term Security Practices

Implement least privilege access controls to restrict unauthorized access.
Conduct regular security assessments and penetration testing to identify vulnerabilities.

Patching and Updates

Apply patches and updates provided by Doorkeeper to address the vulnerability.