CVE-2011-4047 in Kace K2000 Systems Deployment Appliance
Summary
by MITRE
The Dell KACE K2000 System Deployment Appliance allows remote attackers to execute arbitrary commands by leveraging database write access.
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Analysis
by VulDB Data Team • 08/06/2024
The Dell KACE K2000 System Deployment Appliance represents a critical infrastructure component designed for enterprise system deployment and management. This appliance serves as a centralized platform for deploying operating systems, applications, and configurations across multiple endpoints within an organization's network infrastructure. The device operates by maintaining a database of system configurations, deployment scripts, and management policies that govern how systems are provisioned and maintained. Security researchers identified a significant vulnerability in this system that stems from insufficient input validation and privilege escalation mechanisms within the database access layer.
The technical flaw in CVE-2011-4047 manifests as a command injection vulnerability that occurs when the appliance processes database write operations. When an attacker gains database write access to the K2000 appliance, they can manipulate the underlying database to inject malicious commands that will subsequently execute with elevated privileges on the target system. This vulnerability specifically affects the appliance's handling of user-supplied data within database operations, where input validation is inadequate to prevent malicious payload injection. The flaw exists at the intersection of database access controls and command execution mechanisms, creating an attack surface where database write permissions can be leveraged to achieve arbitrary code execution.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it enables attackers to gain full control over the appliance and potentially compromise the entire deployment infrastructure. An attacker who successfully exploits this vulnerability can execute arbitrary commands with system-level privileges, allowing them to modify deployment configurations, access sensitive system information, or establish persistent access points within the network. The implications are particularly severe in enterprise environments where the K2000 appliance serves as a central management point for thousands of endpoints, potentially providing attackers with access to multiple systems within the organization. This vulnerability directly aligns with CWE-77 and CWE-78 categories, which address command injection flaws and the execution of arbitrary code through insecure input handling.
Organizations utilizing the Dell KACE K2000 appliance must implement immediate mitigations to address this vulnerability. The primary recommendation involves restricting database write access to only authorized administrative users and implementing strict input validation controls on all database operations. Network segmentation should be employed to isolate the appliance from general network traffic, and access controls should be tightened to prevent unauthorized database modifications. Additionally, organizations should consider implementing database audit logging to detect suspicious write operations and monitor for potential exploitation attempts. The vulnerability demonstrates the critical importance of principle of least privilege enforcement and proper input sanitization in security-critical systems. This flaw represents a classic example of how database access controls can be abused to achieve remote code execution, aligning with ATT&CK technique T1078 for valid accounts and T1203 for exploitation for privilege escalation. Organizations should also consider implementing network monitoring solutions to detect anomalous database access patterns and ensure that all systems are updated to the latest security patches provided by Dell. The vulnerability highlights the necessity of comprehensive security testing for management appliances and the importance of validating all user inputs within database operations to prevent command injection attacks.