CVE-2016-3516 in Enterprise Communications Broker
Summary
by MITRE
Unspecified vulnerability in the Oracle Enterprise Communications Broker component in Oracle Communications Applications before PCz 2.0.0m4p1 allows remote authenticated users to affect confidentiality via vectors related to GUI, a different vulnerability than CVE-2016-3514.
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Analysis
by VulDB Data Team • 09/08/2022
The vulnerability identified as CVE-2016-3516 affects the Oracle Enterprise Communications Broker component within Oracle Communications Applications, specifically targeting versions prior to PCz 2.0.0m4p1. This issue represents a security weakness that enables remote authenticated attackers to compromise the confidentiality of data within the system. The vulnerability resides within the graphical user interface component of the communications broker, distinguishing it from other related vulnerabilities such as CVE-2016-3514 which may affect different system components. The affected Oracle Enterprise Communications Broker serves as a critical middleware element that facilitates communication between various enterprise applications and systems, making it a potentially attractive target for adversaries seeking to access sensitive information.
The technical nature of this vulnerability involves a flaw within the GUI processing mechanisms of the Oracle Enterprise Communications Broker that allows authenticated users to manipulate or access confidential information. This type of vulnerability typically stems from insufficient input validation, improper access controls, or insecure data handling within the graphical interface components. The vulnerability's classification as an unspecified weakness suggests that the exact technical mechanism has not been fully detailed in public disclosures, though it is clearly related to how the system processes user interactions within the GUI environment. According to CWE taxonomy, this vulnerability would likely fall under categories related to insufficient input validation, improper access control, or insecure data handling within graphical user interfaces, potentially mapping to CWE-20 for improper input validation or CWE-284 for improper access control.
The operational impact of CVE-2016-3516 extends beyond simple data confidentiality breaches, as it represents a potential pathway for attackers to gain unauthorized access to sensitive communications data within enterprise environments. Organizations utilizing Oracle Enterprise Communications Broker components may face risks including unauthorized data exposure, potential information leakage, and compromise of communication integrity within their enterprise networks. The remote authenticated nature of the vulnerability means that attackers do not require physical access to systems but can exploit the weakness from external network locations, provided they have valid authentication credentials. This vulnerability affects the broader enterprise communications infrastructure and could potentially be leveraged as a stepping stone for further attacks within the network environment, making it particularly concerning from a security operations perspective.
Organizations should implement immediate mitigation strategies including applying the relevant Oracle patches and updates to bring their Oracle Enterprise Communications Broker components up to the PCz 2.0.0m4p1 version or later. Network segmentation and access control measures should be reviewed to limit the potential impact of credential compromise, while monitoring systems should be enhanced to detect unusual GUI access patterns or unauthorized data access attempts. Security teams should also consider implementing additional authentication controls such as multi-factor authentication for access to the communications broker systems. From an ATT&CK framework perspective, this vulnerability aligns with techniques related to credential access and privilege escalation, potentially enabling adversaries to move laterally within enterprise networks. The vulnerability demonstrates the importance of maintaining up-to-date enterprise communication systems and the risks associated with legacy components that may contain unpatched security flaws. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other enterprise communication components that may present comparable risks to organizational security posture.