CVE-2011-2653 in ZENworks Asset Management
Summary
by MITRE
Directory traversal vulnerability in the rtrlet component in Novell ZENworks Asset Management (ZAM) 7.5 allows remote attackers to execute arbitrary code by uploading an executable file.
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Analysis
by VulDB Data Team • 07/25/2024
The CVE-2011-2653 vulnerability represents a critical directory traversal flaw within the rtrlet component of Novell ZENworks Asset Management version 7.5. This vulnerability exposes the system to remote code execution risks through improper input validation during file upload operations. The flaw specifically affects the handling of file paths and directory references within the asset management framework, creating a pathway for malicious actors to bypass normal security controls and gain unauthorized access to system resources.
The technical implementation of this vulnerability stems from inadequate sanitization of user-supplied data during file upload processes. When legitimate users attempt to upload files through the rtrlet component, the system fails to properly validate or filter the file paths, allowing attackers to manipulate directory references and potentially place malicious executables in critical system locations. This directory traversal mechanism operates at the application level, exploiting weaknesses in the file system access controls and path resolution logic. The vulnerability aligns with CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. These attacks enable adversaries to access files and directories that should be restricted, potentially leading to complete system compromise.
The operational impact of CVE-2011-2653 extends beyond simple unauthorized file access, as it provides attackers with the capability to execute arbitrary code on the target system. This remote code execution vulnerability allows malicious actors to install backdoors, modify system configurations, steal sensitive data, or establish persistent access to the compromised environment. The vulnerability affects organizations using Novell ZENworks Asset Management 7.5, which typically includes enterprise environments managing IT assets, software licenses, and system inventories. Attackers can exploit this flaw to gain elevated privileges and potentially move laterally within the network, as the compromised system may have access to additional resources and data. The attack vector requires only a remote connection to the vulnerable system, making it particularly dangerous for organizations with exposed management interfaces or web applications.
Mitigation strategies for CVE-2011-2653 should include immediate patching of the affected Novell ZENworks Asset Management version 7.5 to address the directory traversal vulnerability. Organizations should implement proper input validation and sanitization measures to prevent path traversal attacks, including the use of allowlists for acceptable file types and paths. Network segmentation and access controls should be enforced to limit exposure of the vulnerable components to untrusted networks. Security monitoring should be enhanced to detect suspicious file upload activities and anomalous directory access patterns. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection against exploitation attempts. According to ATT&CK framework, this vulnerability maps to techniques involving path traversal and privilege escalation, with potential for lateral movement and persistence within the target environment. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other components of the system. System administrators should also review and restrict file upload permissions, implement proper file extension validation, and ensure that uploaded files are stored in secure, isolated directories with appropriate access controls. The vulnerability demonstrates the importance of input validation and secure coding practices in preventing remote code execution through file upload mechanisms, aligning with security best practices outlined in various industry standards and frameworks.