CVE-2017-15611 Explained : Impact and Mitigation

This CVE-2017-15611 article provides insights into a vulnerability in Octopus versions prior to 3.17.7 that allowed users with UserInvite permission to invite users to teams with elevated privileges.

Understanding CVE-2017-15611

This CVE-2017-15611 vulnerability, published on October 19, 2017, by MITRE, highlights a security issue in Octopus versions before 3.17.7.

What is CVE-2017-15611?

In Octopus versions prior to 3.17.7, users granted explicit permission to invite new users (UserInvite) could invite users to teams with escalated privileges.

The Impact of CVE-2017-15611

The vulnerability allowed unauthorized users to gain elevated privileges within teams, potentially leading to unauthorized access and misuse of sensitive information.

Technical Details of CVE-2017-15611

This section delves into the technical aspects of the CVE-2017-15611 vulnerability.

Vulnerability Description

An authenticated user with UserInvite permission could invite users to teams with escalated privileges in Octopus versions before 3.17.7.

Affected Systems and Versions

Affected Product: Octopus
Affected Versions: Prior to 3.17.7

Exploitation Mechanism

Users with UserInvite permission could exploit the vulnerability by inviting users to teams with elevated privileges.

Mitigation and Prevention

To address CVE-2017-15611, follow these mitigation and prevention strategies:

Immediate Steps to Take

Upgrade Octopus to version 3.17.7 or later to mitigate the vulnerability.
Review and adjust user permissions to limit the risk of unauthorized access.

Long-Term Security Practices

Regularly review and update user permissions to ensure least privilege access.
Conduct security training to educate users on best practices for handling permissions.

Patching and Updates

Stay informed about security updates and patches for Octopus to address vulnerabilities promptly.