CVE-2012-1747 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Network Layer component in Oracle Database Server 10.2.0.3, 10.2.0.4, 10.2.0.5, 11.1.0.7, 11.2.0.2, and 11.2.0.3, when running on Windows, allows remote attackers to affect availability via unknown vectors, a different vulnerability than CVE-2012-1746.
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Analysis
by VulDB Data Team • 03/26/2021
The vulnerability described in CVE-2012-1747 represents a significant security weakness within Oracle Database Server's Network Layer component that specifically affects multiple versions running on Windows operating systems. This unspecified vulnerability falls under the broader category of availability impact, meaning that malicious actors could potentially disrupt database services and render them inaccessible to legitimate users. The vulnerability is particularly concerning because it operates through unknown vectors, making it difficult for security professionals to predict or defend against specific attack patterns. Unlike CVE-2012-1746 which addressed a different aspect of the same software component, this vulnerability specifically targets the network layer functionality that handles communication between database servers and client applications.
The technical flaw resides within the Network Layer implementation of Oracle Database Server versions 10.2.0.3 through 10.2.0.5 and 11.1.0.7 through 11.2.0.3, with the Windows platform serving as the primary attack surface. This network layer component is responsible for managing database connections, handling network protocols, and facilitating communication between database instances and client applications. The unspecified nature of the vulnerability vectors suggests that attackers could exploit various aspects of the network communication stack, potentially including protocol handling, connection management, or network packet processing functions. The vulnerability's classification as an availability issue indicates that successful exploitation would likely result in denial of service conditions rather than direct data compromise or privilege escalation.
From an operational perspective, the impact of CVE-2012-1747 poses substantial risks to database environments that rely on Oracle Database Server for critical business operations. Organizations running affected versions of Oracle Database on Windows systems face potential disruptions to their database services that could cascade into broader business continuity issues. The remote nature of the attack means that threat actors do not require physical access to the database server or local network privileges to exploit the vulnerability. This characteristic significantly increases the attack surface and makes the vulnerability particularly attractive to threat actors seeking to disrupt services. The availability impact could manifest as complete database service outages, connection timeouts, or system crashes that require manual intervention and potentially result in extended downtime for critical applications dependent on the database infrastructure.
Security professionals should consider this vulnerability in the context of established frameworks such as CWE (Common Weakness Enumeration) which would classify this issue under weakness categories related to network protocol handling and availability attacks. The ATT&CK framework would categorize this vulnerability under the TTPs related to service stoppage and availability disruption, potentially involving techniques such as resource exhaustion or protocol manipulation. Organizations should implement immediate mitigation strategies including applying Oracle's security patches and updates as released, implementing network segmentation to limit access to database servers, and establishing robust monitoring systems to detect potential exploitation attempts. The vulnerability's presence in multiple versions of Oracle Database Server emphasizes the importance of comprehensive patch management programs and regular security assessments to identify and remediate similar issues across the enterprise infrastructure.