CVE-2017-18902 : Vulnerability Insights and Analysis

A vulnerability has been found in prior versions of Mattermost Server that allows attackers to uncover team invite IDs by exploiting team API endpoints.

Understanding CVE-2017-18902

This CVE identifies a security issue in earlier versions of Mattermost Server that could lead to the exposure of team invite IDs.

What is CVE-2017-18902?

CVE-2017-18902 is a vulnerability in Mattermost Server versions before 4.1.0, 4.0.4, and 3.10.3, enabling attackers to discover team invite IDs through team API endpoints.

The Impact of CVE-2017-18902

The vulnerability could potentially compromise the confidentiality of team invite IDs, leading to unauthorized access to team information.

Technical Details of CVE-2017-18902

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue in Mattermost Server versions prior to 4.1.0, 4.0.4, and 3.10.3 allows attackers to exploit team API endpoints to reveal team invite IDs.

Affected Systems and Versions

Mattermost Server versions before 4.1.0
Mattermost Server versions before 4.0.4
Mattermost Server versions before 3.10.3

Exploitation Mechanism

Attackers can exploit team API endpoints in vulnerable versions to extract team invite IDs, potentially compromising team security.

Mitigation and Prevention

Protecting systems from CVE-2017-18902 requires immediate actions and long-term security measures.

Immediate Steps to Take

Upgrade Mattermost Server to version 4.1.0 or newer to mitigate the vulnerability.
Monitor team API endpoints for suspicious activities.

Long-Term Security Practices

Regularly update and patch Mattermost Server to prevent known vulnerabilities.
Educate users on secure practices when sharing team information.

Patching and Updates

Stay informed about security updates from Mattermost and apply patches promptly to secure the system.