CVE-2013-4172 in CloudForms Management Engine
Summary
by MITRE
The Red Hat CloudForms Management Engine 5.1 allow remote administrators to execute arbitrary Ruby code via unspecified vectors.
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Analysis
by VulDB Data Team • 01/07/2022
The vulnerability identified as CVE-2013-4172 represents a critical remote code execution flaw within the Red Hat CloudForms Management Engine version 5.1. This security weakness specifically affects the management engine's handling of administrative requests, creating an avenue for malicious actors to execute arbitrary Ruby code on the affected system. The vulnerability stems from insufficient input validation and sanitization mechanisms within the engine's administrative interface, which processes commands from remote administrators without adequate security controls. The unspecified vectors suggest that multiple attack pathways exist within the administrative subsystem, potentially encompassing various API endpoints, configuration interfaces, or command processing modules that fail to properly validate user-supplied data before execution. This flaw fundamentally undermines the security model of the CloudForms Management Engine by allowing unauthorized code execution with elevated privileges typically associated with administrative accounts.
The technical implementation of this vulnerability demonstrates a classic injection flaw where user-controllable input is directly processed and executed as Ruby code without proper sanitization or context-aware escaping mechanisms. Attackers can leverage this weakness by crafting malicious administrative requests that contain Ruby code payloads, which are then interpreted and executed by the vulnerable engine. The flaw likely exists in the engine's request handling layer where administrative commands are parsed and processed, potentially affecting both authenticated and unauthenticated attack scenarios depending on the specific implementation details. This vulnerability aligns with CWE-94, which describes improper execution of generated code, and represents a significant escalation from standard privilege escalation to full system compromise. The Ruby code execution capability provides attackers with extensive control over the target system, potentially enabling them to install backdoors, exfiltrate data, modify system configurations, or establish persistent access.
The operational impact of CVE-2013-4172 extends beyond immediate system compromise to encompass broader organizational security implications within cloud management environments. Organizations utilizing Red Hat CloudForms Management Engine 5.1 face substantial risk of unauthorized access to their cloud infrastructure, potentially affecting thousands of virtual machines, containers, and associated resources managed through the compromised engine. The vulnerability's remote execution capability eliminates the need for physical access or local system compromise, making it particularly dangerous in cloud environments where administrative access is frequently exposed to external networks. Security teams must consider the potential for lateral movement within cloud infrastructures, as successful exploitation could provide attackers with access to underlying hypervisors, storage systems, or other connected management components. This vulnerability directly impacts the integrity and availability of cloud services, potentially leading to service disruption, data loss, or regulatory compliance violations.
Organizations should implement immediate mitigations including applying the vendor-provided security patches and updates released to address this vulnerability. Network segmentation strategies should be employed to limit access to the CloudForms Management Engine administrative interfaces, implementing strict firewall rules and access controls to reduce attack surface. Regular monitoring of system logs for suspicious administrative activities and unusual code execution patterns should be established as part of the security operations routine. The implementation of web application firewalls and input validation controls can provide additional layers of protection against similar injection attacks. Security teams should conduct comprehensive vulnerability assessments to identify other potentially affected systems within their cloud infrastructure and ensure proper access control policies are enforced. This vulnerability also highlights the importance of secure coding practices and regular security testing of management interfaces, particularly those handling administrative functions and user-supplied input. The attack vector for this vulnerability aligns with ATT&CK technique T1059.007 for Ruby and T1068 for exploit for privilege escalation, making it a critical target for both defensive and offensive security operations.