CVE-2014-3373 in Unified Communications Manager
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in the CCM Dialed Number Analyzer interface in the Server in Cisco Unified Communications Manager allow remote attackers to inject arbitrary web script or HTML via unspecified parameters, aka Bug ID CSCup92550.
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Analysis
by VulDB Data Team • 04/03/2022
The vulnerability identified as CVE-2014-3373 represents a critical cross-site scripting weakness discovered in Cisco Unified Communications Manager's CCM Dialed Number Analyzer interface. This flaw resides within the server-side component of Cisco's unified communications platform, specifically affecting the web-based administrative interface used for analyzing dialed numbers. The vulnerability falls under the category of persistent XSS attacks, where malicious scripts can be injected into the system and executed in the context of other users' browsers. The affected interface serves as a diagnostic tool for telecommunications administrators to analyze call routing and number dialed patterns, making it a prime target for attackers seeking to compromise the communication infrastructure.
The technical implementation of this vulnerability stems from insufficient input validation and output sanitization within the CCM Dialed Number Analyzer web interface. Attackers can exploit this weakness by crafting malicious payloads through unspecified parameters that are processed by the server without proper sanitization. The vulnerability's classification aligns with CWE-79, which specifically addresses cross-site scripting flaws where untrusted data is improperly incorporated into web pages. The attack vector requires remote access to the system, eliminating the need for physical presence or local network access, which significantly increases the attack surface. The unspecified parameters suggest that multiple input points within the interface may be vulnerable, creating a broader attack surface than initially apparent.
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with the capability to execute arbitrary code within the browser context of authenticated users. This could enable attackers to steal session cookies, perform unauthorized administrative actions, or redirect users to malicious websites. The implications are particularly severe in enterprise environments where Cisco Unified Communications Manager serves as a critical infrastructure component for voice and video communications. Attackers could potentially escalate privileges through session hijacking, gain access to sensitive telephony data, or disrupt communication services. The vulnerability affects multiple versions of Cisco Unified Communications Manager, making it a widespread concern across various deployment scenarios. Organizations relying on this system for business-critical communications face significant risk of data breaches and service disruption.
Mitigation strategies for CVE-2014-3373 should prioritize immediate implementation of Cisco's security advisories and software updates. Organizations must apply the relevant patches provided by Cisco to address the input validation deficiencies in the affected interface. Network segmentation and access controls should be implemented to limit exposure of the vulnerable interface to untrusted networks. Input validation mechanisms should be enhanced to sanitize all user-supplied data before processing, implementing proper encoding and escaping techniques. The principle of least privilege should be enforced, ensuring that only authorized administrators have access to the dialed number analyzer interface. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other components of the unified communications infrastructure. This vulnerability demonstrates the importance of secure coding practices and input validation in web applications, aligning with ATT&CK technique T1059 for command and scripting interpreter and T1566 for credential access through social engineering. Organizations should also implement web application firewalls to provide additional protection layers against similar attacks targeting web interfaces in unified communications systems.