CVE-2017-18900 : What You Need to Know

A vulnerability has been identified in Mattermost Server versions prior to 4.1.0, 4.0.4, and 3.10.3, allowing potential CSV injection through a compliance report.

Understanding CVE-2017-18900

This CVE identifies a security issue in Mattermost Server versions before 4.1.0, 4.0.4, and 3.10.3.

What is CVE-2017-18900?

CVE-2017-18900 is a vulnerability in Mattermost Server that enables CSV injection via a compliance report.

The Impact of CVE-2017-18900

The vulnerability could lead to CSV injection, potentially allowing attackers to manipulate data and execute malicious actions.

Technical Details of CVE-2017-18900

This section provides technical insights into the vulnerability.

Vulnerability Description

An issue in Mattermost Server before versions 4.1.0, 4.0.4, and 3.10.3 allows CSV injection through a compliance report.

Affected Systems and Versions

Mattermost Server versions prior to 4.1.0
Mattermost Server versions prior to 4.0.4
Mattermost Server versions prior to 3.10.3

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious CSV data through a compliance report in affected versions.

Mitigation and Prevention

Protect your systems from CVE-2017-18900 with the following steps:

Immediate Steps to Take

Update Mattermost Server to versions 4.1.0, 4.0.4, or 3.10.3 or later.
Monitor CSV inputs for suspicious or unexpected content.

Long-Term Security Practices

Regularly update software to the latest versions.
Educate users on safe data handling practices to prevent CSV injection attacks.

Patching and Updates

Apply security patches provided by Mattermost to address the vulnerability.