CVE-2018-16887 : Vulnerability Insights and Analysis

A vulnerability in the Satellite component, katello, allows for cross-site scripting attacks, potentially leading to the execution of malicious code and anti-CSRF token retrieval.

Understanding CVE-2018-16887

The vulnerability identified in the katello component of Satellite allows attackers with specific privileges to launch cross-site scripting attacks on other users.

What is CVE-2018-16887?

The vulnerability in katello enables attackers to execute cross-site scripting attacks via Subscriptions or Red Hat Repositories wizards.
This flaw could result in the execution of malicious code and the extraction of anti-CSRF tokens from users with higher privileges.

The Impact of CVE-2018-16887

Attack Complexity: Low
Attack Vector: Network
Base Score: 5.4 (Medium)
Confidentiality Impact: Low
Integrity Impact: Low
Privileges Required: Low
User Interaction: Required
Scope: Changed
Vector String: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Technical Details of CVE-2018-16887

The technical details of the vulnerability in katello component of Satellite are as follows:

Vulnerability Description

Cross-site scripting (XSS) flaw in katello component
Allows attackers to launch XSS attacks on other users

Affected Systems and Versions

Product: katello
Vendor: The Katello Project
Vulnerable Version: 3.9.0

Exploitation Mechanism

Attackers with privilege to create/edit organizations and locations can exploit the vulnerability

Mitigation and Prevention

Steps to mitigate and prevent the CVE-2018-16887 vulnerability:

Immediate Steps to Take

Update katello to version 3.9.0 or later
Monitor for any suspicious activities related to XSS attacks

Long-Term Security Practices

Regularly review and update security configurations
Educate users on the risks of XSS attacks

Patching and Updates

Apply security patches and updates promptly