CVE-2015-4839 in E-Business Suite
Summary
by MITRE
Unspecified vulnerability in the Oracle Applications Technology Stack component in Oracle E-Business Suite 11.5.10.2 allows remote attackers to affect confidentiality, integrity, and availability via unknown vectors related to DB Listener, a different vulnerability than CVE-2015-4798.
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Analysis
by VulDB Data Team • 06/22/2022
The vulnerability identified as CVE-2015-4839 resides within Oracle Applications Technology Stack component of the Oracle E-Business Suite version 11.5.10.2, specifically impacting the Database Listener functionality. This unspecified weakness represents a significant security gap that enables remote attackers to compromise the confidentiality, integrity, and availability of affected systems through previously unknown attack vectors. The vulnerability operates within the database listener component, which serves as a critical communication interface between database clients and the Oracle database server, making it a prime target for malicious actors seeking to exploit database infrastructure weaknesses.
The technical flaw manifests through the database listener's handling of incoming connections and data processing within the Oracle E-Business Suite environment. Unlike CVE-2015-4798 which addresses a different aspect of the same software stack, this vulnerability specifically targets the listener's operational mechanisms, potentially allowing attackers to execute unauthorized commands, manipulate database records, or disrupt service availability. The database listener serves as the primary entry point for database communications, making any weakness in its implementation particularly dangerous as it could enable attackers to bypass traditional authentication mechanisms and gain elevated privileges within the database environment.
From an operational impact perspective, this vulnerability creates substantial risk for organizations utilizing Oracle E-Business Suite 11.5.10.2, as it could result in complete data compromise, system downtime, and unauthorized access to sensitive business information. The confidentiality aspect is severely compromised when attackers can extract sensitive data from databases without proper authorization, while integrity threats arise from potential data modification or corruption. Availability risks include denial of service attacks that could render critical business applications inaccessible to legitimate users, potentially causing significant financial and operational disruption. The remote nature of the attack vector means that threat actors do not require physical access to the network, making the vulnerability particularly dangerous for organizations with distributed or cloud-based deployments.
Organizations should implement immediate mitigations including applying Oracle's security patches and updates specifically addressing this vulnerability, implementing network segmentation to limit database listener exposure, and conducting comprehensive vulnerability assessments of their Oracle E-Business Suite implementations. The vulnerability aligns with CWE-200 (Information Exposure) and CWE-311 (Missing Encryption of Sensitive Data) categories, while its exploitation patterns correspond to techniques described in the MITRE ATT&CK framework under T1071.004 (Application Layer Protocol: DNS) and T1046 (Network Service Scanning) tactics. Additional defensive measures include implementing robust network monitoring, configuring proper firewall rules to restrict database listener access, and establishing continuous security monitoring for unusual database activity patterns that could indicate exploitation attempts.