CVE-2015-4811 in Fusion Middleware
Summary
by MITRE
Unspecified vulnerability in the Oracle Outside In Technology component in Oracle Fusion Middleware 8.5.0, 8.5.1, and 8.5.2 allows local users to affect availability via vectors related to Outside In PDF Export SDKutside In PDF Export SDK, a different vulnerability than CVE-2015-4809.
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Analysis
by VulDB Data Team • 06/22/2022
The vulnerability identified as CVE-2015-4811 resides within Oracle Outside In Technology component of Oracle Fusion Middleware versions 8.5.0, 8.5.1, and 8.5.2. This represents a local privilege escalation issue that specifically targets the PDF Export SDK functionality within the Outside In technology stack. The vulnerability falls under the broader category of availability impact, meaning attackers can potentially disrupt system operations and services through this weakness. The affected component is part of Oracle Fusion Middleware's document processing capabilities, which handles various file format conversions including PDF export operations.
The technical flaw manifests in the PDF Export SDK implementation where insufficient input validation and memory management controls exist within the processing pipeline. This allows local users to craft malicious inputs that can trigger unexpected behavior in the document conversion process. The vulnerability specifically relates to how the system handles certain PDF export operations, potentially leading to resource exhaustion, memory corruption, or process termination. The attack vector involves local system access, meaning an attacker must already have user-level privileges on the target system to exploit this weakness. This makes the vulnerability particularly concerning in environments where multiple users share the same system or where privilege escalation opportunities exist.
From an operational impact perspective, this vulnerability can result in significant service disruption and availability degradation for systems running affected Oracle Fusion Middleware versions. When exploited, the vulnerability may cause the PDF export functionality to become unresponsive or crash entirely, affecting document processing workflows and potentially impacting business operations. The availability impact can be particularly severe in enterprise environments where document conversion services are critical for business processes. Organizations may experience downtime during processing operations, leading to productivity losses and potential data processing delays. The vulnerability's local nature means that it requires an attacker to already have system access, but once exploited, the impact on service availability can be substantial.
Mitigation strategies for CVE-2015-4811 should focus on implementing proper access controls and system hardening measures to prevent unauthorized local access. Organizations should ensure that only authorized users have access to systems running affected Oracle Fusion Middleware versions. Patch management is crucial, with immediate updates to Oracle Fusion Middleware to versions that address this vulnerability. System administrators should also implement monitoring and logging mechanisms to detect unusual PDF export activities that might indicate exploitation attempts. The vulnerability aligns with CWE-119 which addresses improper restriction of operations within a limited access scope, and may map to ATT&CK technique T1068 for local privilege escalation. Network segmentation and least privilege principles should be enforced to minimize the potential impact of local access points that could be exploited to reach this vulnerability. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar issues in the broader Oracle Fusion Middleware ecosystem.