CVE-2018-3302 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-2018-3302 resides within Oracle Outside In Technology, a comprehensive suite of software development kits that enables applications to process and manipulate various file formats including images, documents, and multimedia content. This component serves as a critical foundation for Oracle Fusion Middleware environments, particularly in version 8.5.3 and 8.5.4 where the flaw manifests. The vulnerability specifically affects the Outside In Filters subcomponent, which handles the parsing and processing of external file data within the middleware ecosystem. The flaw represents a significant security weakness that could be exploited by malicious actors to compromise system integrity and availability.
This vulnerability constitutes a heap-based buffer overflow condition that occurs when the Outside In Technology processes specially crafted input data through its filtering mechanisms. The technical flaw arises from insufficient validation of input parameters within the file processing pipeline, allowing an attacker to provide malformed data that exceeds allocated memory buffers. The vulnerability requires network-based exploitation via HTTP protocols and can be triggered without authentication requirements, making it particularly dangerous in accessible environments. The flaw's exploitation pathway involves sending maliciously formatted data to the target system, which then processes this data through the vulnerable Outside In Filters component, leading to unpredictable behavior and potential system compromise.
The operational impact of this vulnerability extends beyond simple system disruption to include both confidentiality and availability concerns. Successful exploitation can result in complete denial of service conditions where the targeted Oracle Outside In Technology components become unresponsive or crash repeatedly, effectively rendering the system unavailable to legitimate users. Additionally, the vulnerability enables unauthorized read access to sensitive data within the affected system, potentially exposing confidential information processed through the compromised components. The requirement for human interaction suggests that the attack may need user involvement to initiate the vulnerable processing path, but once triggered, the system's stability and data integrity become compromised. This vulnerability directly maps to CWE-121, heap-based buffer overflow, and aligns with ATT&CK technique T1203 for legitimate access abuse and T1499 for network denial of service.
Mitigation strategies for CVE-2018-3302 should prioritize immediate patch application from Oracle, as the vendor has released security updates specifically addressing this vulnerability. Organizations should implement network segmentation to limit access to systems running Oracle Outside In Technology, particularly those exposed to untrusted networks. Additional protective measures include deploying web application firewalls to filter suspicious HTTP requests and implementing strict input validation protocols to prevent malformed data from reaching the vulnerable components. Security monitoring should focus on detecting unusual patterns of system crashes or access attempts that could indicate exploitation attempts. Regular vulnerability assessments and penetration testing should be conducted to identify potential attack vectors, while access controls should be reviewed to ensure least privilege principles are maintained. The CVSS score of 7.1 indicates a high-severity risk requiring immediate attention, with the availability impact being particularly concerning given the potential for complete system downtime. Organizations should also consider implementing intrusion detection systems to monitor for exploitation attempts and establish incident response procedures specifically addressing this vulnerability type.