CVE-2014-3319 in Unified Communications Manager
Summary
by MITRE
Directory traversal vulnerability in the Real-Time Monitoring Tool (RTMT) in Cisco Unified Communications Manager (CM) 10.0(1) allows remote authenticated users to read arbitrary files via a crafted URL, aka Bug ID CSCup57676.
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Analysis
by VulDB Data Team • 03/24/2022
The vulnerability identified as CVE-2014-3319 represents a critical directory traversal flaw within Cisco Unified Communications Manager's Real-Time Monitoring Tool component. This issue affects version 10.0(1) of the CM software and enables remote authenticated attackers to access arbitrary files on the system through manipulation of URL parameters. The vulnerability stems from insufficient input validation within the RTMT application, which fails to properly sanitize user-supplied data before processing file requests. Attackers can exploit this weakness by crafting malicious URLs that include directory traversal sequences such as "../" or similar patterns to navigate outside the intended directory structure and access sensitive files that should remain restricted to authorized personnel only.
The technical implementation of this vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal. This weakness allows attackers to access files and directories that are stored outside the intended directory, potentially leading to unauthorized data access, system compromise, or information disclosure. The RTMT component operates with elevated privileges within the Cisco Unified Communications Manager environment, making this vulnerability particularly dangerous as it can potentially provide access to system configuration files, user credentials, or other sensitive operational data that could be leveraged for further exploitation.
From an operational impact perspective, this vulnerability creates significant risks for organizations deploying Cisco Unified Communications Manager solutions. The ability to read arbitrary files remotely means that attackers who can authenticate to the system can potentially access critical system information including configuration files that may contain encryption keys, user credentials, or other sensitive data. The attack surface is expanded by the fact that the vulnerability operates at the application layer, requiring only valid authentication credentials rather than physical access or more sophisticated attack vectors. This makes the vulnerability particularly attractive to threat actors as it can be exploited from remote locations, potentially allowing for reconnaissance activities, privilege escalation, or data exfiltration. The vulnerability also impacts the confidentiality and integrity of the communication infrastructure, potentially compromising the security posture of the entire unified communications environment.
Organizations affected by CVE-2014-3319 should implement immediate mitigations including applying the relevant Cisco security patches and updates to address the directory traversal vulnerability. Network segmentation and access control measures should be strengthened to limit the number of users with access to the RTMT functionality. Regular monitoring of system logs for suspicious URL access patterns and directory traversal attempts should be implemented as part of the security operations center procedures. The vulnerability also highlights the importance of input validation and proper parameter sanitization in web applications, aligning with ATT&CK framework techniques that emphasize credential access and reconnaissance activities. Additionally, organizations should conduct security assessments to identify other potential directory traversal vulnerabilities in similar applications and ensure that all network services properly validate and sanitize user inputs to prevent similar issues from occurring in other components of their unified communications infrastructure.