CVE-2014-9375 in Markvision Enterprise
Summary
by MITRE
Directory traversal vulnerability in the LibraryFileUploadServlet servlet in Lexmark Markvision Enterprise allows remote authenticated users to write to and execute arbitrary files via a .. (dot dot) in a file path in a ZIP archive.
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Analysis
by VulDB Data Team • 04/13/2018
The CVE-2014-9375 vulnerability represents a critical directory traversal flaw within the LibraryFileUploadServlet component of Lexmark Markvision Enterprise software. This vulnerability specifically affects the file upload functionality and enables authenticated remote attackers to exploit improper input validation mechanisms. The flaw manifests when the application processes ZIP archive contents containing file paths that include directory traversal sequences such as ".." which allows attackers to manipulate the intended destination of uploaded files. The vulnerability stems from inadequate sanitization of file paths during archive extraction processes, creating an opportunity for attackers to write files to arbitrary locations on the target system.
The technical implementation of this vulnerability leverages the fundamental weakness in path validation logic where the application fails to properly normalize or sanitize file paths extracted from compressed archives. When a ZIP file is processed, the servlet does not adequately verify that the extracted file paths remain within the intended directory boundaries, allowing attackers to specify paths that traverse upward through the directory structure. This flaw operates under CWE-22, which categorizes directory traversal vulnerabilities as improper input validation issues. The vulnerability specifically targets the file upload servlet component, which typically handles administrative file operations for printer management software, making it particularly dangerous in enterprise environments where such systems are commonly deployed.
From an operational perspective, this vulnerability presents significant risks to organizations using Lexmark Markvision Enterprise software, as it enables attackers with valid credentials to execute arbitrary code on affected systems. The ability to write and execute files remotely creates opportunities for privilege escalation, backdoor installation, and persistent access to networked printer infrastructure. Attackers can leverage this vulnerability to upload malicious executables, web shells, or other malicious payloads that can be executed with the privileges of the affected service account. The impact extends beyond simple file manipulation as it can lead to complete system compromise, especially when the affected service runs with elevated privileges. This vulnerability particularly affects enterprise environments where printer management systems are integrated into broader network infrastructures, creating potential lateral movement opportunities for attackers.
The mitigation strategies for CVE-2014-9375 should focus on immediate patch application from Lexmark, which would involve implementing proper input validation and path normalization for file upload operations. Organizations should also implement network segmentation to limit access to printer management interfaces and enforce strict access controls for administrative functions. Additionally, monitoring and logging of file upload activities should be enhanced to detect suspicious path manipulation attempts. The vulnerability aligns with ATT&CK technique T1059 which covers command and scripting interpreter, as successful exploitation would likely involve executing malicious code on the compromised system. Security teams should also consider implementing application whitelisting policies and restricting write permissions for critical system directories to minimize the potential impact of successful exploitation attempts.