CVE-2023-0119 : Exploit Details and Defense Strategies

This CVE-2023-0119 details a stored cross-site scripting vulnerability in Foreman, affecting Red Hat Satellite 6.13 for RHEL 8.

Understanding CVE-2023-0119

This vulnerability allows an attacker to execute malicious scripts in a victim user's browser, potentially leading to session hijacking and credential theft.

What is CVE-2023-0119?

CVE-2023-0119 is a stored Cross-site scripting vulnerability found in Foreman. Specifically, the Comment section in the Hosts tab does not correctly filter user input data, enabling an attacker with a valid account to manipulate the system and compromise user sessions and credentials.

The Impact of CVE-2023-0119

The impact of this vulnerability is significant as it allows unauthorized parties to conduct various malicious activities, including session impersonation, unauthorized requests, and user data theft.

Technical Details of CVE-2023-0119

This section dives into the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from inadequate input data filtering in the Comment section of the Hosts tab in Foreman, enabling the injection of harmful scripts.

Affected Systems and Versions

Foreman versions 3.6.0, 3.5.2, and 3.5.1.16 are unaffected.
Red Hat Satellite 6.13 for RHEL 8 with package version "0:3.5.1.17-1.el8sat" is affected.

Exploitation Mechanism

Attackers with existing system accounts can exploit this vulnerability to execute malicious scripts, compromising user sessions and obtaining sensitive data.

Mitigation and Prevention

To safeguard systems from CVE-2023-0119, certain measures need to be implemented.

Immediate Steps to Take

Apply security patches released by Red Hat.
Implement strong input validation and output encoding on web applications.
Regularly monitor and audit user inputs and sessions for suspicious activities.

Long-Term Security Practices

Conduct regular security training for developers to ensure secure coding practices.
Stay updated on security advisories and best practices for secure web application development.

Patching and Updates

Red Hat has released security updates for the affected package versions. Ensure timely application of these patches to mitigate the risk posed by CVE-2023-0119.