CVE-2018-3098 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 is 8.5.3. 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 • 04/10/2023
The vulnerability identified as CVE-2018-3098 resides within Oracle Outside In Technology, a comprehensive suite of software development kits that provides document processing capabilities for Oracle Fusion Middleware applications. This specific flaw affects version 8.5.3 of the Outside In Filters subcomponent, which serves as a critical middleware element for handling various document formats and file types within enterprise environments. The vulnerability 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 networks where such access may be prevalent.
The technical nature of this vulnerability stems from inadequate input validation within the Outside In Technology processing engine, specifically when handling data received over network connections. This flaw creates a path for attackers to manipulate the processing flow through carefully crafted malicious inputs that can trigger unexpected behavior within the document parsing routines. The vulnerability requires human interaction from users other than the attacker, suggesting that the exploitation may involve social engineering elements or targeted user actions that facilitate the initial access point. According to CVSS 3.0 scoring methodology, this vulnerability demonstrates a base score of 7.1, indicating high severity with significant impacts to confidentiality and availability. The attack vector is classified as network-based with low complexity and no prerequisite permissions required, while the user interaction requirement places it in the medium category for this aspect.
The operational impact of successful exploitation can be devastating for organizations relying on Oracle Fusion Middleware environments. Attackers who successfully exploit this vulnerability can gain unauthorized access to critical data stored within systems that utilize Outside In Technology, potentially compromising sensitive enterprise information. The vulnerability also enables partial denial of service conditions that can disrupt normal business operations, particularly in environments where document processing is critical for business functions. The CVSS vector specifically indicates high confidentiality impact with no integrity impact but low availability impact, suggesting that while data theft is the primary concern, system availability can still be compromised. This vulnerability affects the underlying document processing capabilities that many enterprise applications depend upon, potentially creating cascading effects throughout the organization's IT infrastructure. The security implications extend beyond simple data access, as the ability to cause partial denial of service can disrupt business processes and create operational downtime that impacts productivity and revenue.
Organizations should implement multiple layers of defense to mitigate this vulnerability effectively. Immediate patching of affected Oracle Fusion Middleware installations represents the primary mitigation strategy, as Oracle typically releases security patches to address such flaws. Network segmentation and access controls should be implemented to limit exposure of systems running Outside In Technology components to untrusted networks. Monitoring and logging mechanisms should be enhanced to detect anomalous behavior patterns that might indicate exploitation attempts. The vulnerability aligns with CWE-20, which addresses improper input validation, and represents a classic example of how insufficient validation in processing components can lead to serious security consequences. From an ATT&CK framework perspective, this vulnerability maps to techniques involving initial access through network protocols and privilege escalation through data manipulation, making it a significant concern for organizations implementing comprehensive threat detection strategies. Additionally, organizations should consider implementing application firewalls and content filtering solutions to prevent malicious payloads from reaching vulnerable components, while also ensuring proper security awareness training for users who might be targeted through social engineering approaches that could facilitate exploitation.