CVE-2012-1751 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Core RDBMS component in Oracle Database Server 11.1.0.7, 11.2.0.2, and 11.2.0.3 allows remote authenticated users to affect confidentiality, integrity, and availability via unknown vectors related to flashback archive.
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Analysis
by VulDB Data Team • 04/18/2021
The vulnerability identified as CVE-2012-1751 resides within Oracle Database Server's Core RDBMS component and affects versions 11.1.0.7, 11.2.0.2, and 11.2.0.3. This unspecified flaw specifically relates to flashback archive functionality, which represents a sophisticated database feature designed to maintain historical records of data changes over time. Flashback archive enables organizations to track modifications to database objects and recover data to previous states, making it a critical component for compliance and audit requirements. The vulnerability's classification as remote authenticated indicates that an attacker must possess valid credentials to exploit the issue, though this requirement does not significantly diminish the threat level given that legitimate users often maintain persistent access to database systems.
The technical nature of this vulnerability stems from inadequate validation or protection mechanisms within the flashback archive implementation. While the exact vector remains unspecified, such weaknesses typically manifest through improper access controls, insufficient input sanitization, or flawed privilege escalation mechanisms within the database's historical data management subsystem. The impact spans all three fundamental principles of information security confidentiality, integrity, and availability, suggesting that an attacker could potentially access sensitive historical data, corrupt existing archive records, or disrupt database operations through this flaw. This comprehensive scope of potential impact aligns with common patterns seen in database component vulnerabilities where core functionality can be leveraged to compromise entire data ecosystems.
The operational implications of CVE-2012-1751 are particularly concerning for organizations relying heavily on database auditing and compliance features. Since flashback archive functionality is often enabled for regulatory compliance purposes, an attacker exploiting this vulnerability could potentially access sensitive historical data that organizations depend upon for legal and regulatory requirements. The confidentiality impact means that historical transaction records, user activities, and business-critical data could be exposed to unauthorized parties. Integrity concerns arise from the possibility that attackers could modify or corrupt archive data, undermining the trustworthiness of historical records that organizations depend upon for audits and legal proceedings. Availability threats could manifest through denial of service conditions that disrupt database operations or make archive data inaccessible to legitimate users. This vulnerability demonstrates how advanced database features, while providing valuable functionality, can introduce complex security risks that extend beyond traditional data protection boundaries.
Organizations should implement immediate mitigations including applying Oracle's security patches and updates as released through their critical patch updates program. Network segmentation and access control measures should be reinforced to limit the scope of potential exploitation, particularly restricting database access to authorized personnel only. Monitoring and logging of flashback archive operations should be enhanced to detect anomalous activities that might indicate exploitation attempts. The vulnerability's characteristics align with CWE-284 (Improper Access Control) and CWE-310 (Cryptographic Issues) categories, reflecting common database security weaknesses that require both application-level and infrastructure-level protections. From an attack framework perspective, this vulnerability could be leveraged as part of a broader attack chain targeting database systems, potentially enabling attackers to establish persistent access while maintaining the appearance of legitimate database activity through normal flashback operations. Security teams should conduct comprehensive assessments of their database environments to identify all instances of affected versions and implement layered defense strategies that address both the immediate vulnerability and broader database security posture.