CVE-2023-48383 in airPASS
Summary
by MITRE • 01/15/2024
NetVision
Information
airPASS has a path traversal vulnerability within its parameter in a specific URL. An unauthenticated remote attacker can exploit this vulnerability to bypass authentication and download arbitrary system files.
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Analysis
by VulDB Data Team • 01/15/2024
The vulnerability identified as CVE-2023-48383 affects the airPASS system within NetVision products, representing a critical path traversal flaw that undermines the system's security posture. This weakness exists within the application's parameter handling mechanism within a specific URL structure, creating an exploitable condition that allows unauthorized access to the underlying file system. The vulnerability stems from inadequate input validation and improper sanitization of user-supplied parameters, enabling attackers to manipulate file paths and navigate beyond the intended directory boundaries. According to CWE-22, this classification indicates a weakness where an attacker can manipulate input to access files outside the intended directory structure, which directly correlates with the described path traversal scenario.
The operational impact of this vulnerability extends beyond simple unauthorized file access, as it enables an unauthenticated remote attacker to bypass authentication mechanisms entirely and download arbitrary system files from the affected system. This capability represents a severe escalation of privileges, allowing attackers to potentially access sensitive configuration files, user credentials, system logs, and other confidential data stored on the server. The vulnerability's remote exploitability means that attackers do not require physical access or prior authentication credentials to leverage this weakness, significantly expanding the attack surface and potential damage scope. From an ATT&CK framework perspective, this vulnerability maps to T1078 Valid Accounts and T1566 Phishing, as it allows for credential harvesting and unauthorized system access without legitimate authentication.
The technical exploitation of this path traversal vulnerability typically involves crafting malicious URL parameters that contain directory traversal sequences such as ../ or ..\, which when processed by the vulnerable application, result in unintended file system access. Attackers can leverage this weakness to access system files, configuration data, and potentially execute commands if the system allows file inclusion or execution of downloaded files. The vulnerability's severity is compounded by the fact that it affects an authentication bypass mechanism, meaning that even if the system has authentication in place, the path traversal flaw allows attackers to circumvent these protections entirely. Organizations should consider implementing comprehensive network segmentation, access controls, and regular security assessments to identify and remediate similar vulnerabilities across their infrastructure, particularly in systems handling sensitive data or providing remote access capabilities.