CVE-2018-12089 : Exploit Details and Defense Strategies

Octopus Deploy version 2018.5.1 to 2018.5.7 allows users with Task View privileges to view passwords for a Service Fabric Cluster under specific conditions. This vulnerability is resolved in version 2018.6.0.

Understanding CVE-2018-12089

This CVE involves a security issue in Octopus Deploy versions 2018.5.1 to 2018.5.7 that could expose passwords for a Service Fabric Cluster.

What is CVE-2018-12089?

Between Octopus Deploy version 2018.5.1 and 2018.5.7, users with Task View privileges can potentially view passwords for a Service Fabric Cluster.

The Impact of CVE-2018-12089

This vulnerability allows unauthorized users to access sensitive password information, compromising the security of the Service Fabric Cluster.

Technical Details of CVE-2018-12089

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

Vulnerability Description

Users with Task View privileges in Octopus Deploy versions 2018.5.1 to 2018.5.7 can see passwords for a Service Fabric Cluster under specific conditions.

Affected Systems and Versions

Affected Versions: 2018.5.1 to 2018.5.7
Resolved Version: 2018.6.0

Exploitation Mechanism

The vulnerability occurs when the Service Fabric Cluster target is set up in Azure Active Directory security mode, and a deployment is executed with the OctopusPrintVariables parameter set to True.

Mitigation and Prevention

Protect your systems and data from CVE-2018-12089 with the following steps:

Immediate Steps to Take

Upgrade to Octopus Deploy version 2018.6.0 or newer to mitigate the vulnerability.
Review and restrict Task View privileges to authorized personnel only.

Long-Term Security Practices

Regularly review and update access control settings within Octopus Deploy.
Implement least privilege access to limit user permissions.

Patching and Updates

Stay informed about security updates and patches released by Octopus Deploy.
Apply patches promptly to ensure your systems are protected against known vulnerabilities.