CVE-2014-0732 in Unified Communications Manager
Summary
by MITRE
The Real Time Monitoring Tool (RTMT) web application in Cisco Unified Communications Manager (Unified CM) 10.0(1) and earlier does not properly enforce authentication requirements, which allows remote attackers to read application files via a direct request to a URL, aka Bug ID CSCum46495.
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Analysis
by VulDB Data Team • 03/30/2019
The vulnerability described in CVE-2014-0732 represents a critical authentication bypass flaw within Cisco Unified Communications Manager's Real Time Monitoring Tool component. This issue affects versions 10.0(1) and earlier, where the RTMT web application fails to properly enforce authentication mechanisms, creating a pathway for unauthenticated remote attackers to access sensitive application files directly through URL manipulation. The vulnerability stems from inadequate input validation and access control enforcement within the web application's request handling logic, allowing malicious actors to bypass the intended authentication flow and directly access protected resources.
This authentication bypass vulnerability operates through a straightforward exploitation technique where attackers can construct direct URL requests to access files that should normally be restricted to authenticated users only. The flaw essentially removes the necessary authentication checks that would typically validate user credentials before granting access to application resources. The vulnerability is particularly concerning because it affects a monitoring tool that would typically have access to sensitive system information, network configurations, and operational data within the unified communications environment. According to CWE-287, this represents an improper authentication weakness where the application fails to properly verify user identity before granting access to protected resources.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with unauthorized access to critical system files and potentially sensitive operational data within the Cisco Unified Communications Manager environment. Remote attackers can leverage this vulnerability to gain insights into the system's internal workings, potentially identifying additional attack vectors or weaknesses within the communications infrastructure. The compromised RTMT tool could expose configuration files, user credentials, system logs, and other sensitive data that would normally be protected from unauthorized access. This vulnerability aligns with ATT&CK technique T1212, which involves exploitation of software vulnerabilities to access system information and potentially escalate privileges within the network environment.
Organizations affected by this vulnerability should implement immediate mitigations including upgrading to Cisco Unified Communications Manager versions that address this authentication bypass flaw, applying the relevant security patches, and implementing network segmentation to limit access to the RTMT tool. Additional protective measures include configuring proper access controls, monitoring for unauthorized access attempts, and implementing network-based intrusion detection systems to identify potential exploitation attempts. The vulnerability demonstrates the critical importance of proper authentication enforcement in web applications and highlights the need for comprehensive security testing of administrative interfaces within unified communications platforms. Organizations should also consider implementing zero-trust network principles and regular security assessments to identify similar authentication bypass vulnerabilities in their network infrastructure components.