CVE-2014-8536 in Network Data Loss Prevention
Summary
by MITRE
McAfee Network Data Loss Prevention (NDLP) before 9.2.2 allows local users to obtain sensitive information by reading unspecified error messages.
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Analysis
by VulDB Data Team • 02/23/2022
The vulnerability identified as CVE-2014-8536 affects McAfee Network Data Loss Prevention software versions prior to 9.2.2, representing a significant information disclosure weakness that could compromise system security. This flaw resides within the error handling mechanisms of the NDLP application, where local attackers can exploit improperly sanitized error messages to extract sensitive system information. The vulnerability demonstrates a classic lack of proper input validation and error message sanitization that violates fundamental security principles. According to CWE-209, this corresponds to the creation of error messages containing sensitive information, which directly enables attackers to gain insights into the system's internal workings. The affected McAfee NDLP solution operates as a critical data protection tool that monitors network traffic for potential data exfiltration attempts, making any information disclosure vulnerability particularly concerning from a security perspective.
The technical implementation of this vulnerability stems from the application's failure to properly sanitize error messages before they are exposed to local users. When the NDLP software encounters certain error conditions during processing, it generates error messages that inadvertently contain system-specific details such as file paths, memory addresses, or internal configuration data. These error messages are not properly filtered or stripped of sensitive content before being made accessible to local users who can read them directly. This represents a failure in the principle of least privilege and demonstrates poor secure coding practices where error handling does not account for potential information leakage. The vulnerability can be exploited through local system access, meaning an attacker who already has user-level privileges on the system can leverage this weakness to gather intelligence about the underlying infrastructure.
The operational impact of CVE-2014-8536 extends beyond simple information disclosure, as the gathered intelligence can significantly aid attackers in planning more sophisticated attacks against the compromised system. Attackers can use the sensitive information obtained from error messages to understand the system architecture, identify potential attack vectors, and tailor subsequent exploitation attempts. This information leakage creates a pathway for attackers to bypass security controls by understanding system internals, which aligns with tactics described in the MITRE ATT&CK framework under the information gathering phase. The vulnerability essentially provides adversaries with a reconnaissance tool that would normally require more complex and time-consuming manual investigation techniques. Organizations running affected NDLP versions face increased risk of targeted attacks, as the leaked information can be used to craft more effective social engineering campaigns or to identify specific system weaknesses for exploitation.
Mitigation strategies for this vulnerability primarily focus on updating to McAfee NDLP version 9.2.2 or later, which includes proper error message sanitization and enhanced security controls. System administrators should implement comprehensive patch management procedures to ensure all instances of the software are updated promptly. Additional protective measures include implementing proper logging and monitoring for unusual error message access patterns, configuring system permissions to limit local access to the NDLP service, and conducting regular security assessments to identify similar vulnerabilities in other applications. Organizations should also consider implementing network segmentation to limit the potential impact of local privilege escalation attacks, while following the principle of least privilege to ensure that local user accounts have minimal necessary permissions. The vulnerability underscores the importance of secure error handling practices and demonstrates how seemingly minor implementation flaws can create significant security risks when exploited by determined attackers.