CVE-2018-3233 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-2018-3233 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 and convert various file formats. This specific flaw 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 vulnerability manifests as an easily exploitable weakness that can be leveraged by unauthenticated attackers who gain network access through HTTP protocols, making it particularly dangerous in environments where the technology is exposed to external networks. The security implications extend beyond simple data access, as successful exploitation can lead to complete denial of service conditions that cause system hangs or repeated crashes, effectively rendering the affected systems unusable.
The technical nature of this vulnerability stems from insufficient input validation within the Outside In Technology processing pipeline, creating opportunities for attackers to craft malicious payloads that trigger buffer overflows or memory corruption conditions. This flaw operates at the protocol level where network-received data is directly passed to the Outside In Technology code without adequate sanitization or validation measures. According to CVSS 3.0 scoring methodology, the vulnerability demonstrates a base score of 7.1, reflecting the balance between confidentiality and availability impacts, with the availability component rated as high (A:H) due to the potential for complete system disruption. The attack vector requires network access from a remote location, with low complexity and no privilege requirements, though it does necessitate user interaction for successful exploitation, typically involving the processing of maliciously crafted files or data streams.
The operational impact of this vulnerability extends far beyond simple system availability concerns, as it creates potential pathways for unauthorized data access and system compromise. Attackers can leverage this weakness to gain unauthorized read access to sensitive data that is accessible through the Outside In Technology interface, potentially exposing confidential information processed by applications that utilize this technology. The complete denial of service condition represents a significant operational risk, as system administrators may face frequent disruptions requiring manual intervention and system restarts. This vulnerability particularly affects enterprise environments where Oracle Fusion Middleware is extensively deployed for document management, content processing, and integration services, making it a prime target for adversaries seeking to disrupt business operations or gain access to sensitive corporate data. Organizations utilizing this technology must consider the implications for their security posture, especially when the technology is integrated into critical business processes that depend on continuous availability and data integrity.
Mitigation strategies for CVE-2018-3233 should prioritize immediate patching of affected systems to the latest Oracle Fusion Middleware releases that contain the necessary security fixes. Network segmentation and access controls should be implemented to limit exposure of Outside In Technology components to untrusted networks, while monitoring systems should be deployed to detect anomalous patterns of network traffic or file processing activities that might indicate exploitation attempts. The vulnerability aligns with CWE-121, which addresses stack-based buffer overflow conditions, and represents a classic example of how insufficient input validation can create security weaknesses in software development kits. From an ATT&CK framework perspective, this vulnerability maps to techniques involving privilege escalation and denial of service, with potential for lateral movement if the affected systems are part of larger enterprise networks. Organizations should also consider implementing application whitelisting policies and restricting user interaction with potentially malicious file formats to reduce the attack surface and minimize the risk of successful exploitation through human interaction requirements.