CVE-2018-19621 Explained : Impact and Mitigation

ShowDoc version 2.4.2 contains a CSRF vulnerability that allows unauthorized individuals to add members to a team.

Understanding CVE-2018-19621

This CVE entry describes a security vulnerability in ShowDoc version 2.4.2 that can be exploited by attackers to manipulate team memberships.

What is CVE-2018-19621?

The vulnerability in ShowDoc version 2.4.2 allows unauthorized users to perform actions as if they were authenticated team members, potentially leading to unauthorized access and data manipulation.

The Impact of CVE-2018-19621

The CSRF vulnerability in ShowDoc version 2.4.2 poses a risk of unauthorized individuals adding members to a team, compromising team integrity and potentially exposing sensitive information.

Technical Details of CVE-2018-19621

ShowDoc version 2.4.2's CSRF vulnerability is detailed below:

Vulnerability Description

The vulnerability exists in the 'server/index.php?s=/api/teamMember/save' endpoint, enabling unauthorized users to add members to a team.

Affected Systems and Versions

Product: ShowDoc
Version: 2.4.2

Exploitation Mechanism

Attackers can exploit the CSRF vulnerability by sending crafted requests to the 'server/index.php?s=/api/teamMember/save' endpoint, tricking the system into adding unauthorized members to a team.

Mitigation and Prevention

To address CVE-2018-19621, consider the following steps:

Immediate Steps to Take

Disable the vulnerable endpoint or implement proper CSRF protection mechanisms.
Regularly monitor team memberships for unauthorized additions.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
Educate team members on security best practices to prevent CSRF attacks.

Patching and Updates

Update ShowDoc to a patched version that addresses the CSRF vulnerability.