CVE-2018-3227 in Outside In Technology
Summary
by MITRE
Vulnerability in the Oracle Outside In Technology component of Oracle Fusion Middleware (subcomponent: Outside In Filters). The supported version that is affected are 8.5.3 and 8.5.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology and unauthorized read access to a subset of Oracle Outside In Technology accessible data. Note: Outside In Technology is a suite of software development kits (SDKs). The protocol and CVSS score depend on the software that uses the Outside In Technology code. The CVSS score assumes that the software passes data received over a network directly to Outside In Technology code, but if data is not received over a network the CVSS score may be lower. CVSS 3.0 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H).
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Analysis
by VulDB Data Team • 05/26/2023
The vulnerability identified as CVE-2018-3227 resides within Oracle Outside In Technology, a comprehensive suite of software development kits that provides document processing capabilities for Oracle Fusion Middleware applications. This component serves as a critical filter system for handling various document formats and is integrated into multiple Oracle products including Oracle WebCenter and Oracle Content Management. The affected versions 8.5.3 and 8.5.4 contain a flaw that manifests as a buffer overflow condition within the Outside In Filters subcomponent, creating a pathway for malicious actors to exploit the system through HTTP network connections. The vulnerability's classification as easily exploitable stems from its accessibility to unauthenticated attackers who can leverage network-based attacks without requiring prior authorization or credentials, making it particularly dangerous in enterprise environments where such systems are often exposed to external networks.
The technical implementation of this vulnerability involves a specific buffer handling flaw that occurs when processing certain document formats through the Outside In Technology filters. When an attacker sends maliciously crafted HTTP requests containing specially formatted data, the system's processing routines fail to properly validate input lengths, leading to memory corruption that can trigger either complete denial of service conditions or unauthorized data access. The vulnerability requires human interaction from users who process the malicious documents, meaning that while network exploitation is straightforward, successful compromise still depends on end-user engagement with the crafted content. This interaction requirement places the vulnerability in the context of social engineering attacks where users might inadvertently open malicious documents or click on compromised links, though the underlying technical flaw remains accessible through direct network exploitation.
From an operational impact perspective, the vulnerability presents significant risks to enterprise systems that rely on Oracle Fusion Middleware for document management and processing. Successful exploitation can result in complete system downtime through hang conditions or frequently repeatable crashes that prevent normal operations, while simultaneously providing unauthorized access to sensitive data within the affected systems. The CVSS 3.0 score of 7.1 reflects the balanced impact across confidentiality and availability concerns, with the availability impact rated as high (A:H) due to the potential for complete system disruption. The vulnerability's severity is particularly concerning given that Outside In Technology is widely deployed across enterprise applications, potentially affecting thousands of systems that process document content through these filters. Organizations using Oracle WebCenter, Oracle Content Management, and other middleware products that utilize these SDKs face substantial risk if they have not applied appropriate patches.
Mitigation strategies for CVE-2018-3227 should focus on immediate patch management and network segmentation approaches to limit exposure. Oracle released patches specifically addressing this vulnerability in their security updates, and organizations must prioritize applying these fixes to all affected systems running versions 8.5.3 or 8.5.4. Network-level protections should include implementing firewalls that restrict access to Outside In Technology interfaces and monitoring for unusual HTTP traffic patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-121, which describes stack-based buffer overflow conditions, and represents a classic example of how insecure input handling can lead to system compromise. From an ATT&CK framework perspective, this vulnerability maps to techniques involving exploitation of remote services and privilege escalation through application-level flaws, with the human interaction requirement placing it in the context of social engineering and user awareness training. Organizations should also implement comprehensive logging and monitoring of document processing activities to detect potential exploitation attempts and establish incident response procedures that account for the specific denial of service and data access risks associated with this vulnerability.