CVE-2018-3230 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-2018-3230 resides within Oracle Outside In Technology, a critical component of Oracle Fusion Middleware that functions as a suite of software development kits enabling applications to process various document formats. This vulnerability specifically affects versions 8.5.3 and 8.5.4 of the Outside In Filters subcomponent, which serves as the core processing engine for document conversion and manipulation tasks. The flaw represents a significant security weakness that can be exploited by unauthenticated attackers who gain network access through HTTP protocols, making it particularly dangerous in enterprise environments where such middleware components are extensively deployed. The vulnerability's classification as easily exploitable indicates that attackers can leverage relatively straightforward attack vectors without requiring specialized tools or extensive technical knowledge.
The technical nature of this vulnerability stems from inadequate input validation and processing mechanisms within the Outside In Technology filters, which fail to properly handle malformed or specially crafted data inputs. When network-based data is passed directly to the affected code, the system becomes susceptible to memory corruption issues that can lead to complete denial of service conditions. The vulnerability specifically targets the processing pipeline of document conversion operations, where attackers can construct malicious payloads that trigger buffer overflows or other memory management errors within the processing engine. This flaw operates at the application layer and can be exploited through HTTP connections, making it particularly dangerous in web-facing applications that utilize Oracle Fusion Middleware components. The vulnerability's design flaw allows for both availability and confidentiality impacts, as successful exploitation can result in system crashes and unauthorized data access.
The operational impact of this vulnerability extends beyond simple system disruption to encompass potential data exposure and business continuity concerns. An attacker who successfully exploits this vulnerability can cause complete denial of service conditions that effectively halt document processing capabilities within affected systems, leading to operational downtime and productivity losses. The vulnerability's ability to enable unauthorized read access to sensitive data within the Outside In Technology accessible subset represents a significant confidentiality risk, particularly in enterprise environments where document processing systems handle sensitive business information, financial records, or proprietary data. The requirement for human interaction from a person other than the attacker suggests that the exploitation may require some form of social engineering or user-specific actions, but this does not mitigate the overall risk as the vulnerability remains easily exploitable through network-based attacks. The CVSS score of 7.1 reflects the combined severity of confidentiality and availability impacts, with the availability component receiving a higher weight due to the potential for complete system disruption.
Mitigation strategies for CVE-2018-3230 should focus on immediate patch management and network segmentation approaches to minimize exposure. Organizations should prioritize applying Oracle's security patches specifically designed to address this vulnerability, as these updates contain fixes for the input validation and processing flaws that enable the exploitation. Network-level protections including firewalls and intrusion detection systems should be configured to restrict access to Oracle Fusion Middleware components, particularly those running Outside In Technology filters. The implementation of web application firewalls can provide additional layers of protection by filtering malicious HTTP requests before they reach vulnerable components. Organizations should also consider implementing data loss prevention measures to monitor and control access to sensitive information processed through affected systems. The vulnerability's relationship to CWE-121, which addresses stack-based buffer overflow conditions, and its alignment with ATT&CK technique T1203, which covers exploitation of remote services, indicates that traditional security controls such as input validation, access controls, and network monitoring should be enhanced. Regular vulnerability assessments and security audits should be conducted to identify and remediate similar issues within the broader Oracle Fusion Middleware ecosystem.