CVE-2014-0023 in openshift
Summary
by MITRE
OpenShift: Install script has temporary file creation vulnerability which can result in arbitrary code execution
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Analysis
by VulDB Data Team • 02/20/2024
The vulnerability identified as CVE-2014-0023 affects the OpenShift platform's installation script, presenting a critical security flaw that stems from improper temporary file creation practices. This issue resides within the installation process of OpenShift, a container application platform that enables developers to deploy and manage applications using Docker and Kubernetes technologies. The vulnerability specifically targets the installation script's handling of temporary files, creating a pathway for malicious actors to execute arbitrary code on systems where OpenShift is being installed.
The technical root cause of this vulnerability lies in the insecure creation of temporary files during the installation process. When the installation script generates temporary files, it does not properly secure these files or validate their creation process, allowing attackers to manipulate the temporary file creation sequence. This flaw typically manifests when the script creates temporary files without adequate permissions or directory isolation, enabling attackers to place malicious files in the temporary directory before the installation script executes. The vulnerability aligns with CWE-377, which addresses insecure temporary file creation, and represents a classic example of a race condition vulnerability where timing and file system permissions combine to create a security exploit.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it provides attackers with arbitrary code execution capabilities on the target system. Successful exploitation can lead to complete system compromise, allowing attackers to install backdoors, modify system configurations, or exfiltrate sensitive data. This vulnerability is particularly dangerous in enterprise environments where OpenShift installations may occur on systems with elevated privileges, potentially enabling attackers to gain access to critical infrastructure components. The risk is amplified because the vulnerability exists during the installation phase, meaning that systems may be compromised before they are fully operational and monitored for security threats.
The exploitability of this vulnerability requires an attacker to have access to the system during the installation process or to be able to influence the temporary file creation environment. This typically occurs when the installation script runs with elevated privileges or when the system is configured in a way that allows attackers to manipulate the temporary file creation process. From an operational security perspective, this vulnerability demonstrates the critical importance of secure coding practices in installation and deployment scripts, particularly those that handle system-level operations. The issue also highlights the necessity of implementing proper file system permissions and secure temporary file handling mechanisms as recommended by security standards and best practices.
Organizations should implement immediate mitigations including updating to patched versions of OpenShift, reviewing installation procedures to ensure secure temporary file handling, and implementing proper access controls during installation processes. The vulnerability serves as a reminder of the importance of following secure coding practices, particularly when dealing with temporary file creation and system-level operations. Security teams should also consider implementing monitoring for unusual temporary file creation patterns and establish proper segmentation controls to limit the impact of potential exploitation. This vulnerability underscores the critical need for comprehensive security testing of installation and deployment processes, as these phases often represent the most vulnerable points in system security posture.