CVE-2019-1020018 : Security Advisory and Response
Discourse CVE-2019-1020018: Learn about the security vulnerability in Discourse versions < 2.3.0 and 2.4.x before 2.4.0.beta3 due to a missing confirmation screen during email login.
Discourse before version 2.3.0 and 2.4.x before 2.4.0.beta3 lacks a confirmation screen during the login process via an emailed link.
Understanding CVE-2019-1020018
Prior to version 2.3.0 and versions 2.4.x prior to 2.4.0.beta3 of Discourse, a confirmation screen was missing during the login process through an emailed link.
What is CVE-2019-1020018?
This CVE refers to the absence of a confirmation screen in Discourse versions, leading to a security vulnerability during the login process via an emailed link.
The Impact of CVE-2019-1020018
The missing confirmation screen could potentially allow unauthorized access to user accounts through email login links, posing a security risk to Discourse users.
Technical Details of CVE-2019-1020018
Discourse versions affected, the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The vulnerability in Discourse versions before 2.3.0 and 2.4.x before 2.4.0.beta3 allows unauthorized access due to the absence of a confirmation screen during the login process via email links.
Affected Systems and Versions
- Product: Discourse
- Versions Affected: < 2.3.0, 2.4.0.beta1, 2.4.0.beta2
- Fixed Version: 2.4.0.beta3
Exploitation Mechanism
Attackers could exploit this vulnerability by bypassing the missing confirmation screen, gaining unauthorized access to user accounts through login links sent via email.
Mitigation and Prevention
Steps to mitigate the CVE-2019-1020018 vulnerability in Discourse.
Immediate Steps to Take
- Upgrade Discourse to version 2.3.0 or higher to address the missing confirmation screen issue.
- Avoid logging in through email links until the system is updated to a secure version.
Long-Term Security Practices
- Regularly update Discourse to the latest version to patch security vulnerabilities.
- Implement multi-factor authentication to enhance account security.
Patching and Updates
- Apply the necessary patches provided by Discourse to fix the confirmation screen issue and enhance system security.