CVE-2018-15615 in Management System
Summary
by MITRE
A vulnerability in the Supervisor component of Avaya Call Management System allows local administrative user to extract sensitive information from users connecting to a remote CMS host. Affected versions of CMS Supervisor include R17.0.x and R18.0.x.
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Analysis
by VulDB Data Team • 05/17/2023
The vulnerability identified as CVE-2018-15615 resides within the Supervisor component of Avaya Call Management System, representing a significant security flaw that undermines the integrity of user data transmission. This issue specifically affects versions R17.0.x and R18.0.x of the CMS Supervisor, creating an exploitable condition that enables local administrative users to access sensitive information from remote connections. The flaw manifests in the improper handling of authentication and session management processes, allowing privileged users to intercept and extract confidential data during user connections to remote CMS hosts.
The technical implementation of this vulnerability stems from inadequate input validation and insufficient access controls within the Supervisor component's communication protocols. When administrative users establish connections to remote CMS hosts, the system fails to properly sanitize or encrypt sensitive data elements that traverse the network channels. This weakness creates an information disclosure channel that can be exploited by malicious actors with local administrative privileges. The vulnerability operates at the application layer and can be classified under CWE-200, which specifically addresses information exposure, while also aligning with ATT&CK technique T1071.004 for application layer protocol, demonstrating the exploitation of communication protocols for data extraction.
The operational impact of this vulnerability extends beyond simple data leakage, as it compromises the fundamental security posture of the entire Avaya Call Management System infrastructure. Local administrative users can potentially access user credentials, call records, and other sensitive communication data that should remain protected during remote connections. This information exposure creates downstream risks including unauthorized access to customer communications, potential identity theft, and violation of privacy regulations. The vulnerability particularly affects organizations that rely heavily on call center operations and require strict data protection measures for customer interactions.
Organizations affected by CVE-2018-15615 should implement immediate mitigations including patching to the latest available versions of Avaya Call Management System, strengthening access controls for administrative accounts, and implementing network segmentation to limit the scope of potential exploitation. Security monitoring should be enhanced to detect unusual administrative activities and unauthorized data access patterns. The remediation process requires careful consideration of the system's operational requirements while ensuring complete removal of the vulnerability. Additionally, organizations should conduct thorough security assessments to identify any potential exploitation attempts and implement proper audit trails to track administrative activities. The vulnerability highlights the critical importance of maintaining up-to-date security patches and proper access control mechanisms in enterprise communication systems.