CVE-2018-20052 : Vulnerability Insights and Analysis

Cerner Connectivity Engine (CCE) 4 devices are affected by a vulnerability that allows a user with specific privileges to potentially escalate to root access through certain commands.

Understanding CVE-2018-20052

This CVE entry highlights a privilege escalation issue on Cerner Connectivity Engine (CCE) 4 devices.

What is CVE-2018-20052?

The vulnerability allows a user operating the main CCE firmware with NOPASSWD sudo privileges for various utilities, enabling potential escalation of privileges to root.

The Impact of CVE-2018-20052

The vulnerability could lead to unauthorized users gaining elevated privileges on the affected systems, posing a significant security risk.

Technical Details of CVE-2018-20052

This section provides more in-depth technical insights into the CVE-2018-20052 vulnerability.

Vulnerability Description

A user with specific sudo privileges on Cerner Connectivity Engine (CCE) 4 devices can exploit this issue to escalate their privileges to root, potentially compromising system security.

Affected Systems and Versions

Product: Cerner Connectivity Engine (CCE) 4
Vendor: Cerner
Version: Not applicable

Exploitation Mechanism

The vulnerability can be exploited by executing a specific command, such as "sudo ln -s /tmp/script /etc/cron.hourly/script", which could lead to privilege escalation.

Mitigation and Prevention

Protecting systems from CVE-2018-20052 requires immediate actions and long-term security practices.

Immediate Steps to Take

Restrict sudo privileges to only necessary commands and utilities.
Monitor system logs for any suspicious activities related to privilege escalation.

Long-Term Security Practices

Regularly review and update user privileges to minimize the risk of unauthorized access.
Conduct security audits to identify and address potential vulnerabilities proactively.

Patching and Updates

Apply patches and updates provided by Cerner to address the vulnerability and enhance system security.