CVE-2014-6538 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Java VM 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-2014-4294, CVE-2014-4295, and CVE-2014-6563.
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Analysis
by VulDB Data Team • 12/14/2024
The vulnerability identified as CVE-2014-6538 represents a significant security weakness within Oracle Database Server's Java Virtual Machine component that affects 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 issue specifically targets the Java VM functionality that enables database applications to execute Java code within the database environment, creating a potential attack surface that malicious actors could exploit to compromise data confidentiality. The vulnerability's classification as unspecified indicates that Oracle did not provide detailed technical information about the exact nature of the flaw during the initial disclosure, which is common for certain types of memory corruption or logic errors that may not be immediately apparent to security researchers.
The technical flaw resides within the Java Virtual Machine implementation that processes and executes Java applications within the Oracle Database environment, where authenticated remote attackers can potentially manipulate the system to access or modify confidential data. This vulnerability operates through unknown vectors that differ from other related vulnerabilities such as CVE-2014-4294, CVE-2014-4295, and CVE-2014-6563, indicating that it represents a distinct code path or execution flow within the database's Java processing capabilities. The authentication requirement suggests that attackers must first establish valid credentials to the database system before exploiting this vulnerability, though this does not necessarily mitigate the risk as legitimate users with compromised credentials could also be exploited. The underlying architecture of Oracle Database's Java VM integration creates complex interaction points between database security controls and Java execution environments that can introduce unexpected behavior patterns.
The operational impact of CVE-2014-6538 extends beyond simple data confidentiality breaches as it represents a potential pathway for attackers to escalate privileges or access sensitive database information that may include personal data, financial records, or proprietary business information. Organizations running affected Oracle Database versions face significant risks when their database systems are accessible over networks, particularly in environments where database administrators have enabled Java execution capabilities. The vulnerability's presence in multiple database versions indicates a widespread issue that requires coordinated patch management across different database deployments, creating operational complexity for security teams who must ensure consistent protection across their database infrastructure. This type of vulnerability typically requires careful monitoring and immediate patching to prevent exploitation, as the window of opportunity for attackers who discover such flaws is often limited by the time required for patches to be deployed.
Mitigation strategies for CVE-2014-6538 should focus on immediate patch application through Oracle's security updates and advisories, which would address the underlying Java VM implementation flaw. Organizations should also implement network segmentation and access controls to limit exposure of database systems to untrusted networks, particularly by restricting remote access to database services and implementing strict authentication mechanisms. The principle of least privilege should be enforced by ensuring that database users have minimal required permissions and that Java execution capabilities are disabled or restricted where not essential for business operations. Security monitoring should include detection of unusual database activity patterns that might indicate exploitation attempts, and organizations should consider implementing database activity monitoring tools that can track Java code execution and identify anomalous behavior within the database environment. This vulnerability aligns with common attack patterns documented in the attack technique framework, particularly those related to privilege escalation and data access violations, and represents a key area of focus for database security hardening efforts that should be addressed through comprehensive security assessments and continuous monitoring programs.