CVE-2018-3222 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-2018-3222 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 manipulate various document 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 handling multiple file formats including Microsoft Office documents, PDFs, and various image formats. The vulnerability represents a significant security weakness that can be exploited by unauthenticated attackers with network access through HTTP protocols, making it particularly dangerous in enterprise environments where such services are commonly exposed to external networks.
The technical nature of this vulnerability involves a flaw in how the Outside In Technology processes incoming data through its filter mechanisms, specifically within the document parsing and conversion functions. The vulnerability requires a user to interact with the malicious content, meaning that while the initial exploitation can occur without authentication, human interaction is necessary to trigger the actual exploit. This characteristic places the vulnerability in the category of user-initiated attacks that leverage social engineering or phishing techniques to deliver malicious payloads. The flaw manifests as a complete denial of service condition that can cause the application to hang or repeatedly crash, effectively rendering the service unavailable to legitimate users while simultaneously providing unauthorized access to sensitive data within the affected system's scope.
From an operational impact perspective, this vulnerability creates a dual threat scenario that compromises both availability and confidentiality of the affected systems. The potential for complete denial of service means that business-critical applications relying on Outside In Technology could experience extended downtime, potentially disrupting document processing workflows and business operations. The unauthorized read access capability allows attackers to extract sensitive information from the affected system, which could include proprietary documents, personal data, or other confidential materials processed through the vulnerable middleware. The CVSS 3.0 score of 7.1 reflects this significant risk level, with high availability impact and moderate confidentiality impact, indicating that organizations must prioritize remediation efforts to prevent both service disruption and data leakage.
Organizations should implement multiple layers of defense to mitigate this vulnerability, beginning with immediate patching of affected systems to the latest supported versions of Oracle Fusion Middleware. Network segmentation and access controls should be strengthened to limit exposure of Outside In Technology components to untrusted networks, while implementing proper input validation and sanitization measures to prevent malformed data from reaching the vulnerable processing functions. The vulnerability aligns with CWE-121, which describes buffer overflow conditions, and maps to ATT&CK technique T1203, representing legitimate credentials used for lateral movement, though the specific exploitation requires user interaction. Regular security assessments should be conducted to identify other potential attack vectors that might leverage similar processing weaknesses in document handling systems, particularly those using third-party SDKs for content processing. Additionally, implementing network monitoring solutions that can detect unusual patterns of document processing requests or service disruptions will help identify potential exploitation attempts and provide early warning capabilities for security teams to respond to incidents effectively.