CVE-2017-3295 in Outside In Technology
Summary
by MITRE
Vulnerability in the Oracle Outside In Technology component of Oracle Fusion Middleware (subcomponent: Outside In Filters ). Supported versions that are affected are 8.5.2 and 8.5.3. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. 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. 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 v3.0 Base Score 7.5 (Availability impacts).
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Analysis
by VulDB Data Team • 05/15/2026
The vulnerability identified as CVE-2017-3295 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 specific flaw affects versions 8.5.2 and 8.5.3 of the Outside In Filters subcomponent, which serves as the core processing engine for document parsing and conversion operations. The vulnerability represents a significant security weakness that operates at the protocol level, specifically within the HTTP handling mechanisms of the technology stack. According to the Common Weakness Enumeration framework, this vulnerability maps to CWE-125, representing an out-of-bounds read condition that can occur when processing malformed input data. The flaw demonstrates characteristics consistent with the ATT&CK technique T1203, where adversaries exploit software vulnerabilities to cause system instability and denial of service conditions.
The technical exploitation of CVE-2017-3295 occurs when an unauthenticated attacker sends specially crafted HTTP requests to systems running vulnerable versions of Oracle Outside In Technology. The vulnerability stems from inadequate input validation within the document processing pipeline, where the system fails to properly sanitize or validate incoming data before processing it through the Outside In Filters engine. When malformed data is received over HTTP, the processing logic encounters unexpected memory access patterns that trigger buffer over-read conditions, ultimately leading to system instability. The CVSS v3.0 score of 7.5 reflects the severity of the availability impact, specifically targeting the ability to cause complete denial of service through system hangs or frequent crashes. This vulnerability operates under the assumption that network data is directly passed to the Outside In Technology code without intermediate sanitization, making the actual risk assessment dependent on the specific implementation and data flow architecture of each affected system.
The operational impact of this vulnerability extends beyond simple service disruption to potentially compromise entire document processing workflows within Oracle Fusion Middleware environments. Organizations utilizing vulnerable versions face significant risk of unauthorized system instability that can affect critical business processes relying on document conversion and processing capabilities. The vulnerability's ease of exploitation means that attackers can potentially cause repeated system crashes without requiring authentication credentials, making it particularly dangerous in production environments where continuous availability is essential. System administrators must consider the cascading effects of such a vulnerability, as document processing failures can impact downstream applications and services that depend on the stable operation of Oracle Outside In Technology. The complete denial of service condition can result in extended downtime for critical business operations, particularly in environments where document management and processing are core functional requirements.
Mitigation strategies for CVE-2017-3295 should prioritize immediate patching of affected Oracle Fusion Middleware installations to versions that contain the necessary security fixes. Organizations should implement network-level controls including firewalls and intrusion detection systems to monitor and restrict HTTP traffic to affected systems, particularly when the vulnerability is exposed through publicly accessible interfaces. The implementation of input validation and sanitization measures at network boundaries can help reduce the risk of exploitation by filtering malformed requests before they reach the vulnerable processing components. Security teams should also consider implementing monitoring solutions that can detect unusual system behavior patterns indicating potential exploitation attempts. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all systems running affected versions of Oracle Outside In Technology and establish incident response procedures specifically tailored to address denial of service conditions. The vulnerability highlights the importance of maintaining up-to-date security patches and implementing defense-in-depth strategies to protect against exploitation of known vulnerabilities in widely used middleware components.