CVE-2014-6622 in ClearPass
Summary
by MITRE
Aruba Networks ClearPass before 6.3.6 and 6.4.x before 6.4.1 allows remote attackers to determine the validity of filenames via unspecified vectors.
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Analysis
by VulDB Data Team • 03/15/2019
The vulnerability identified as CVE-2014-6622 affects Aruba Networks ClearPass Policy Manager software versions prior to 6.3.6 and 6.4.x versions before 6.4.1. This security flaw enables remote attackers to determine the validity of filenames through unspecified attack vectors, representing a significant information disclosure vulnerability that could be exploited to gain insights into the underlying system's file structure and potentially facilitate further attacks. The issue stems from insufficient input validation mechanisms within the ClearPass platform that processes filename-related requests without proper sanitization or verification procedures.
The technical implementation of this vulnerability involves the system's failure to properly validate filename inputs during processing operations, allowing attackers to craft malicious requests that can reveal whether specific files exist within the system's filesystem. This type of vulnerability falls under the category of information disclosure flaws where the attacker can enumerate system resources through indirect means rather than direct exploitation. The unspecified vectors suggest that the vulnerability may be present across multiple attack surfaces within the ClearPass platform, potentially including web interfaces, API endpoints, or network protocol handlers that process file-related operations.
From an operational impact perspective, this vulnerability creates significant risks for organizations utilizing Aruba Networks ClearPass solutions, particularly those in environments where network access control and policy enforcement are critical components of security infrastructure. The ability to determine filename validity can provide attackers with reconnaissance data that may lead to more sophisticated attacks, including directory traversal attempts, file inclusion vulnerabilities, or exploitation of other system components that depend on predictable file structures. The vulnerability represents a reconnaissance step that can be leveraged in conjunction with other exploits to compromise the overall security posture of the network infrastructure.
Organizations should implement immediate mitigations including updating to the patched versions of ClearPass Policy Manager 6.3.6 or 6.4.1, respectively, to address this information disclosure vulnerability. Network segmentation and access controls should be reinforced to limit exposure of the ClearPass platform to untrusted networks, while monitoring systems should be configured to detect anomalous filename validation requests. The vulnerability aligns with CWE-200, which addresses information exposure, and could potentially be leveraged as part of broader attack chains that map to ATT&CK techniques such as reconnaissance and credential access. Security teams should also consider implementing web application firewalls and input validation controls to prevent similar issues in other applications within their infrastructure.