CVE-2014-3302 in WebEx Meetings Server
Summary
by MITRE
user.php in Cisco WebEx Meetings Server 1.5(.1.131) and earlier does not properly implement the token timer for authenticated encryption, which allows remote attackers to obtain sensitive information via a crafted URL, aka Bug ID CSCuj81708.
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Analysis
by VulDB Data Team • 02/10/2022
The vulnerability identified as CVE-2014-3302 affects Cisco WebEx Meetings Server version 1.5(.1.131) and earlier implementations, specifically within the user.php component. This flaw represents a critical weakness in the server's cryptographic token management system where the authentication encryption token timer mechanism fails to function properly. The vulnerability stems from inadequate implementation of time-based token validation controls that should ensure temporary access credentials expire after predetermined intervals. Attackers can exploit this weakness by crafting specially formatted URLs that manipulate the token expiration behavior, thereby gaining unauthorized access to sensitive meeting information and user data.
The technical implementation flaw resides in the improper handling of authenticated encryption tokens within the WebEx Meetings Server's user.php script. When users access meeting resources through web interfaces, the system generates temporary authentication tokens that should automatically expire after a defined time window. However, due to insufficient timer implementation, these tokens remain valid for extended periods or can be manipulated through crafted URL parameters. This cryptographic weakness allows attackers to intercept valid session tokens and reuse them beyond their intended expiration time, effectively bypassing authentication mechanisms designed to protect meeting data. The vulnerability specifically impacts the server's ability to enforce time-based access controls for encrypted communication channels, creating a persistent security gap that can be exploited remotely.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to obtain sensitive information including meeting details, participant lists, and potentially confidential communication content. Remote attackers can leverage this weakness to conduct prolonged surveillance of corporate meetings, access private discussion forums, and extract intellectual property or strategic information from organizations using affected WebEx servers. The vulnerability is particularly concerning in enterprise environments where WebEx Meetings Server serves as a primary platform for business-critical communications and collaborative sessions. Security incidents resulting from this vulnerability could lead to significant financial losses, competitive disadvantages, and regulatory compliance violations, especially in industries subject to strict data protection requirements such as healthcare, finance, and government sectors.
Organizations should implement immediate mitigations including upgrading to Cisco WebEx Meetings Server versions that address this vulnerability, typically those released after the patching timeline for CVE-2014-3302. Network segmentation and access control measures should be strengthened to limit exposure of the affected server components. Monitoring for suspicious URL access patterns and token reuse behaviors should be implemented through security information and event management systems. The vulnerability aligns with CWE-310, which addresses cryptographic weaknesses in token management, and corresponds to ATT&CK technique T1566 related to credential access through phishing and social engineering. Additionally, this issue demonstrates weaknesses in secure coding practices and proper implementation of time-based authentication mechanisms that should be addressed through comprehensive security testing and code review processes. Organizations should also consider implementing additional layers of security including multi-factor authentication, regular security assessments, and continuous monitoring of session token validity to prevent exploitation of similar cryptographic weaknesses in other components.