CVE-2021-25924 : Exploit Details and Defense Strategies

A detailed overview of CVE-2021-25924 focusing on the vulnerability found in GoCD versions 19.6.0 to 21.1.0, leading to Cross-Site Request Forgery (CSRF) attacks.

Understanding CVE-2021-25924

This section delves into the impact, technical details, and mitigation strategies related to CVE-2021-25924.

What is CVE-2021-25924?

CVE-2021-25924 is a vulnerability in GoCD versions 19.6.0 to 21.1.0 that enables attackers to conduct Cross-Site Request Forgery attacks by exploiting a lack of CSRF protection at the

/go/api/config/backup

endpoint.

The Impact of CVE-2021-25924

The vulnerability allows malicious actors to trick users into executing unintended commands by clicking on crafted links, potentially altering backup configurations or executing system commands.

Technical Details of CVE-2021-25924

This section provides insights into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

GoCD versions 19.6.0 to 21.1.0 lack proper CSRF protection at the

/go/api/config/backup

endpoint, enabling CSRF attacks that can compromise system configurations and execute unauthorized commands.

Affected Systems and Versions

The vulnerability impacts GoCD versions 19.6.0 to 21.1.0, exposing systems operating on these versions to CSRF attacks and potential unauthorized command execution.

Exploitation Mechanism

Attackers can exploit this vulnerability by enticing victims to click on malicious URLs that trigger unauthorized actions within the system, such as altering backup configurations or executing harmful commands.

Mitigation and Prevention

Here, you will find immediate steps to take, long-term security practices, and the significance of applying necessary patches and updates for CVE-2021-25924.

Immediate Steps to Take

Users are advised to implement CSRF protection mechanisms, educate users about phishing risks, and monitor system activities for any suspicious behavior.

Long-Term Security Practices

Enforcing strong authentication measures, conducting regular security assessments, and staying updated on security best practices are paramount for safeguarding systems against CSRF attacks.

Patching and Updates

It is crucial to apply security patches, updates, and fixes provided by GoCD promptly to address the CVE-2021-25924 vulnerability and enhance system security.