CVE-2018-3228 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-2018-3228 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 vulnerability specifically 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 office documents, images, and multimedia content. The flaw 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 environments where document processing is common.
The technical implementation of this vulnerability stems from inadequate input validation within the Outside In Technology processing pipeline, creating opportunities for attackers to craft malicious payloads that trigger memory corruption or resource exhaustion conditions. The vulnerability requires human interaction from users other than the attacker, typically manifesting when unsuspecting employees open or process specially crafted documents that leverage the vulnerable processing code. This social engineering aspect makes the attack vector more insidious as it relies on user behavior rather than pure technical exploitation, though the underlying flaw remains easily exploitable given proper network access. The vulnerability's classification under CWE-125 indicates improper input validation or memory handling issues that allow for buffer overflows or similar memory corruption conditions.
Operationally, successful exploitation of CVE-2018-3228 can result in complete denial of service conditions where the vulnerable Oracle Outside In Technology components become unresponsive or repeatedly crash, effectively rendering document processing capabilities unavailable to legitimate users. Additionally, attackers can gain unauthorized read access to sensitive data that would normally be restricted within the vulnerable system, potentially exposing confidential information through the compromised processing pipeline. The CVSS 3.0 score of 7.1 reflects the high availability impact of 0.85 combined with the confidentiality impact of 0.22, demonstrating that while the primary threat is system availability disruption, there is also significant data exposure potential. The attack vector AV:N indicates network-based exploitation is possible, while the low access complexity AC:L suggests minimal technical expertise is required for successful exploitation.
Organizations should implement immediate mitigations including applying Oracle's security patches and updates, implementing network segmentation to limit access to vulnerable systems, and deploying network monitoring solutions to detect anomalous document processing activities. The security community should also consider implementing application whitelisting policies to restrict which document types can be processed by vulnerable applications, and establish robust incident response procedures to quickly identify and contain exploitation attempts. Given that Outside In Technology is widely used across enterprise document management systems, the vulnerability represents a substantial risk to organizations that process large volumes of external documents, particularly those in financial services, legal, and government sectors where document handling is critical. The vulnerability's impact extends beyond simple system availability as it can potentially enable data exfiltration through the unauthorized read access component, making comprehensive security remediation essential for protecting organizational assets.