CVE-2010-0154 in Proventia Network Mail Security System Virtual Appliance
Summary
by MITRE
Directory traversal vulnerability in sla/index.php in the Local Management Interface (LMI) on the IBM Proventia Network Mail Security System (PNMSS) appliance with firmware before 2.5 allows remote authenticated users to read arbitrary files via a .. (dot dot) in the l parameter, related to an "Insecure Direct Object Reference vulnerability."
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Analysis
by VulDB Data Team • 01/04/2018
The CVE-2010-0154 vulnerability represents a critical directory traversal flaw within the Local Management Interface of IBM Proventia Network Mail Security System appliances. This vulnerability specifically affects the sla/index.php component and exists in firmware versions prior to 2.5, creating a significant security risk for organizations relying on this email security solution. The flaw enables remote authenticated attackers to access arbitrary files on the system by manipulating the l parameter through directory traversal sequences using the .. (dot dot) notation.
This vulnerability manifests as an Insecure Direct Object Reference (IDOR) issue, which is categorized under CWE-22 in the Common Weakness Enumeration system. The IDOR vulnerability occurs when an application provides direct access to internal objects such as files, database records, or other resources without proper authorization checks. In this case, the application fails to validate user input properly, allowing malicious actors to bypass normal access controls and navigate to restricted directories. The vulnerability stems from inadequate input sanitization and validation mechanisms within the LMI component.
The operational impact of this vulnerability extends beyond simple file disclosure, as it provides attackers with the ability to access sensitive system files, configuration data, and potentially administrative credentials stored on the appliance. This could lead to complete system compromise, allowing attackers to escalate privileges and gain unauthorized access to the email security infrastructure. The remote authenticated nature of the vulnerability means that an attacker with valid credentials can exploit this flaw from outside the network perimeter, making it particularly dangerous for organizations that do not properly segment their network environments.
Organizations should implement immediate mitigations including upgrading to firmware version 2.5 or later, which contains the necessary patches to address this directory traversal vulnerability. Network segmentation and access control measures should be strengthened to limit the impact of potential exploitation, while monitoring systems should be deployed to detect suspicious file access patterns. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and T1566 which covers credential access through social engineering, though the specific exploitation path here involves direct system manipulation rather than social engineering approaches. Security teams should also conduct thorough audits of their email security infrastructure to identify any other potential directory traversal vulnerabilities in similar network appliances and ensure proper input validation mechanisms are in place throughout their security infrastructure.