CVE-2012-2627 in Sonicwall Scrutinizer With Flow Analytics Module
Summary
by MITRE
d4d/uploader.php in the web console in Plixer Scrutinizer (aka Dell SonicWALL Scrutinizer) before 9.5.0 allows remote attackers to create or overwrite arbitrary files in %PROGRAMFILES%\Scrutinizer\snmp\mibs\ via a multipart/form-data POST request.
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Analysis
by VulDB Data Team • 04/13/2025
The vulnerability identified as CVE-2012-2627 represents a critical file upload functionality flaw within the Plixer Scrutinizer web console, formerly known as Dell SonicWALL Scrutinizer. This issue affects versions prior to 9.5.0 and exposes the system to remote code execution risks through improper input validation in the d4d/uploader.php component. The vulnerability specifically targets the web console's file handling mechanism, which processes multipart/form-data POST requests that are commonly used for file uploads in web applications.
The technical flaw stems from inadequate validation of file upload parameters within the SNMP MIBs directory structure. When a remote attacker submits a specially crafted multipart/form-data POST request, the system fails to properly sanitize or validate the filename parameter, allowing arbitrary file creation or overwriting in the %PROGRAMFILES%\Scrutinizer\snmp\mibs\ directory. This directory path represents a critical system location where SNMP management information base files are stored, making the impact particularly severe as these files often contain configuration data and network monitoring parameters.
The operational impact of this vulnerability extends beyond simple file manipulation, creating potential pathways for privilege escalation and persistent system compromise. An attacker could leverage this vulnerability to upload malicious files that might be executed by the system's SNMP monitoring processes, potentially leading to complete system takeover. The vulnerability aligns with CWE-434, which describes insecure file upload vulnerabilities where applications accept files without proper validation, and represents a classic example of path traversal and file overwrite issues. The attack vector requires only remote access to the web console, making it particularly dangerous as it can be exploited without physical system access or local credentials.
This vulnerability demonstrates a fundamental security weakness in the application's input validation and access control mechanisms, particularly concerning file handling operations within system-critical directories. The affected system configuration allows unauthenticated remote attackers to manipulate files in a protected directory structure, violating basic security principles of least privilege and proper access controls. Organizations using affected versions of Scrutinizer face significant risk of unauthorized system modification and potential data compromise. The vulnerability also relates to ATT&CK technique T1059, which involves executing malicious code through various system interfaces, and T1078, which covers legitimate credentials usage for persistence.
The recommended mitigations include immediate upgrade to Plixer Scrutinizer version 9.5.0 or later, which contains the necessary patches to address the file upload validation issues. Additionally, network administrators should implement proper input validation controls, restrict write permissions to critical system directories, and deploy web application firewalls to monitor and filter suspicious file upload requests. Regular security assessments should verify that file upload functionality properly validates file types, sizes, and names before processing, ensuring that no arbitrary file creation or overwriting can occur through web interfaces. Organizations should also consider implementing network segmentation to limit access to the web console and reduce the attack surface for such vulnerabilities.