CVE-2018-3220 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 access to critical data or complete access to all Oracle Outside In Technology accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Outside In Technology. 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:H/I:N/A:L).
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Analysis
by VulDB Data Team • 05/26/2023
The vulnerability identified as CVE-2018-3220 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 particular flaw exists in the Outside In Filters subcomponent and affects specifically Oracle Fusion Middleware versions 8.5.3 and 8.5.4, making it a targeted issue for organizations utilizing these middleware versions. The vulnerability represents a significant security weakness classified as easily exploitable, allowing unauthenticated attackers to compromise the affected system through network access using the HTTP protocol. This creates a serious risk for enterprises that depend on Oracle Fusion Middleware for document processing capabilities and data management operations.
The technical nature of this vulnerability stems from insufficient input validation within the Outside In Technology filters, which processes various document formats including office documents, images, and other file types. Attackers can exploit this weakness by sending specially crafted HTTP requests containing maliciously formatted data that bypasses normal validation checks within the processing pipeline. The vulnerability requires human interaction from users other than the attacker, typically through social engineering techniques where users might unknowingly open or process malicious files. This interaction requirement creates a more complex attack scenario but does not eliminate the severity of the threat, as it still allows for unauthorized access to sensitive data and potential system compromise.
The operational impact of this vulnerability extends beyond simple data theft, encompassing both confidentiality and availability concerns as indicated by the CVSS 3.0 base score of 7.1. Successful exploitation can lead to unauthorized access to critical data stored within systems utilizing the affected Oracle Outside In Technology components, potentially exposing sensitive corporate information, intellectual property, or personal data. Additionally, attackers can cause partial denial of service conditions that disrupt normal operations, impacting productivity and business continuity. The vulnerability's classification under CWE-20 (Improper Input Validation) demonstrates the fundamental security flaw in how the system handles incoming data, while its mapping to ATT&CK technique T1059.007 (Command and Scripting Interpreter: PowerShell) suggests potential exploitation pathways through automated processing of malicious documents. Organizations using this technology face substantial risk as the vulnerability can be leveraged to gain complete access to all data accessible through the affected Outside In Technology components, making it particularly dangerous for enterprises handling sensitive information.
Mitigation strategies for CVE-2018-3220 should prioritize immediate patching of affected Oracle Fusion Middleware installations to versions that contain the necessary security fixes. Organizations should implement network segmentation and access controls to limit exposure of the affected systems to untrusted networks, while also deploying web application firewalls and intrusion detection systems to monitor for suspicious HTTP traffic patterns. Regular security assessments should be conducted to identify any remaining instances of the vulnerable software versions, and administrators should establish monitoring procedures to detect potential exploitation attempts. Additionally, user education programs should be implemented to reduce the risk of social engineering attacks that might leverage this vulnerability, while maintaining up-to-date threat intelligence feeds to stay informed about potential exploitation attempts targeting this specific weakness. The CVSS scoring indicates that organizations should treat this vulnerability as a high-priority issue requiring immediate attention, particularly those with systems that process large volumes of external documents or have direct internet exposure through the affected components.