CVE-2014-6477 in Database Server
Summary
by MITRE
Unspecified vulnerability in the JPublisher component in Oracle Database Server 11.1.0.7, 11.2.0.3, 11.2.0.4, 12.1.0.1, and 12.1.0.2 allows remote authenticated users to affect confidentiality via unknown vectors, a different vulnerability than CVE-2014-4290, CVE-2014-4291, CVE-2014-4292, CVE-2014-4293, CVE-2014-4296, CVE-2014-4297, CVE-2014-4310, and CVE-2014-6547. NOTE: this issue was originally mapped to CVE-2014-4301, but CVE-2014-4301 is for an unrelated vulnerability.
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Analysis
by VulDB Data Team • 03/02/2022
The vulnerability identified as CVE-2014-6477 represents a significant security weakness within Oracle Database Server's JPublisher component, affecting multiple versions including 11.1.0.7, 11.2.0.3, 11.2.0.4, 12.1.0.1, and 12.1.0.2. This unspecified flaw operates within the database server's Java publishing functionality, which serves as a bridge between database operations and java applications, creating potential attack vectors that could compromise sensitive data confidentiality. The vulnerability specifically targets authenticated remote users who can leverage this weakness to potentially access confidential information through unknown attack vectors that distinguish it from other related vulnerabilities in the same timeframe.
The technical nature of this vulnerability stems from the JPublisher component's handling of certain database operations that involve Java-based processing and data transformation. While the exact technical mechanism remains unspecified, the classification as affecting confidentiality suggests that the flaw likely involves improper access controls, data leakage mechanisms, or insufficient data sanitization during database-to-java communication processes. This component typically facilitates the generation of java classes from database schemas and handles various data transformation operations, making it a critical point of potential compromise for sensitive information. The vulnerability's classification under CWE categories related to information exposure and insufficient access control aligns with its potential to allow unauthorized data access through authenticated user sessions.
From an operational impact perspective, this vulnerability poses substantial risk to organizations utilizing affected Oracle Database versions, particularly those handling sensitive or regulated data. The authenticated nature of the attack means that adversaries must first establish valid credentials, but once achieved, they can potentially access confidential database information through the JPublisher component. This threat model aligns with ATT&CK techniques focusing on privilege escalation and credential access, as attackers could leverage legitimate user accounts to exploit this weakness. Organizations with extensive database deployments using these vulnerable versions face potential exposure of sensitive data including personal information, financial records, and proprietary business data that could be accessed through this vector.
Mitigation strategies for CVE-2014-6477 should prioritize immediate patching of affected Oracle Database installations through official Oracle security updates and patches. Organizations must ensure comprehensive testing of patches in non-production environments before deployment to avoid service disruptions. Network segmentation and access control measures should be implemented to limit exposure of database systems to untrusted networks, while monitoring systems should be enhanced to detect unusual database access patterns or unauthorized data access attempts. Additionally, regular security assessments should verify that all database components, particularly those involving java integration, are properly configured and up to date with security patches. The vulnerability's relationship to other CVEs in the same timeframe indicates potential for coordinated attacks, making comprehensive vulnerability management and incident response planning essential for effective defense. Organizations should also consider implementing database activity monitoring solutions that can detect anomalous behavior patterns consistent with information disclosure attempts through database integration components.