CVE-2014-8009 in Unified Computing System
Summary
by MITRE
The Management subsystem in Cisco Unified Computing System 2.1(3f) and earlier allows remote attackers to obtain sensitive information by reading log files, aka Bug ID CSCur99239.
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Analysis
by VulDB Data Team • 03/15/2019
The vulnerability identified as CVE-2014-8009 resides within the management subsystem of Cisco Unified Computing System versions 2.1(3f) and earlier, representing a critical information disclosure flaw that exposes sensitive data through improper access controls on log files. This weakness enables remote attackers to extract confidential information by simply reading system log files, bypassing normal authentication and authorization mechanisms that should protect such data. The vulnerability specifically affects Cisco's unified computing platform where management functions are centralized, creating a single point of failure that could compromise the entire system's security posture.
The technical implementation of this flaw stems from inadequate file access controls within the management subsystem's logging mechanisms. When system logs are generated, they contain sensitive information including user credentials, system configurations, network details, and potentially other confidential operational data. The vulnerability occurs because the system does not properly restrict access to these log files, allowing unauthorized remote entities to retrieve them through standard network protocols. This design flaw aligns with CWE-200, which addresses improper exposure of sensitive information, and represents a classic case of insufficient access control implementation. The attack vector is particularly dangerous as it requires no privileged access or complex exploitation techniques, making it highly attractive to threat actors seeking to gather intelligence for further attacks.
The operational impact of CVE-2014-8009 extends beyond simple information disclosure, potentially enabling more sophisticated attacks such as credential harvesting, system reconnaissance, and lateral movement within compromised networks. Attackers who successfully exploit this vulnerability can gain insights into system architecture, user access patterns, and operational procedures that would otherwise remain confidential. This information could facilitate subsequent attacks including privilege escalation, man-in-the-middle attacks, or targeted social engineering campaigns. The vulnerability also violates fundamental security principles outlined in the NIST Cybersecurity Framework, particularly in the areas of protecting system components and detecting security events. From an ATT&CK framework perspective, this vulnerability maps to techniques such as T1083 (File and Directory Discovery) and T1566 (Phishing for Information), as it enables attackers to gather intelligence without direct interaction with the system's primary interfaces.
Organizations affected by this vulnerability should prioritize immediate remediation through official Cisco patches and updates, while implementing network segmentation to limit access to management subsystems. Additional mitigations include configuring proper file permissions on log directories, implementing network access controls to restrict log file access, and establishing monitoring for unauthorized access attempts to sensitive files. Security teams should also conduct comprehensive audits of system configurations to identify any additional exposure points and ensure that logging mechanisms are properly secured. The vulnerability demonstrates the critical importance of proper access control implementation in management interfaces and serves as a reminder that even seemingly benign system components can become attack vectors when security controls are insufficient. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other system components and ensure that information disclosure vulnerabilities do not compromise overall security postures.