CVE-2017-3269 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 described in CVE-2017-3269 represents a critical availability flaw within Oracle Outside In Technology, a comprehensive suite of software development kits that enables applications to process and convert various document formats. This vulnerability specifically affects Oracle Fusion Middleware versions 8.5.2 and 8.5.3, where the Outside In Filters subcomponent contains a flaw that can be exploited by unauthenticated remote attackers. The vulnerability falls under CWE-121, which encompasses buffer overflow conditions, and demonstrates how improper input validation can lead to system instability. The attack vector requires only network access via HTTP, making it particularly dangerous as it can be exploited without requiring any authentication credentials or prior access to the system.
The technical implementation of this vulnerability allows an attacker to send maliciously crafted data to the affected Oracle Outside In Technology component, which then processes this data through the vulnerable filters. When the component encounters malformed input, it can trigger a denial of service condition that results in either a complete system hang or repeated crashes that effectively render the service unavailable. This behavior aligns with the CVSS v3.0 base score of 7.5, which categorizes the vulnerability as having high severity for availability impacts. The vulnerability's exploitability is classified as easily exploitable, meaning that an attacker with minimal technical expertise can successfully compromise the system. The underlying mechanism typically involves improper handling of input data that causes memory corruption or stack overflow conditions within the processing filters.
The operational impact of this vulnerability extends beyond simple service disruption, as it can affect critical business applications that rely on Oracle Fusion Middleware for document processing and conversion services. Organizations using affected versions may experience significant downtime and productivity loss when this vulnerability is successfully exploited, particularly in environments where document processing is a core business function. The vulnerability's classification as a complete denial of service means that the affected system becomes entirely unusable until manual intervention occurs to restart or recover the service. This type of attack directly maps to ATT&CK technique T1499.004, which involves network denial of service attacks, and demonstrates how vulnerabilities in middleware components can cascade into broader system failures.
Mitigation strategies for CVE-2017-3269 should prioritize immediate patching of affected Oracle Fusion Middleware installations to the latest supported versions that contain fixes for this vulnerability. Organizations should also implement network-level restrictions that limit access to the affected services, particularly by blocking unnecessary HTTP access to the Outside In Technology components. Additional protective measures include implementing input validation controls that filter or sanitize data before it reaches the vulnerable processing components, and deploying intrusion detection systems that can identify suspicious network traffic patterns associated with exploitation attempts. The vulnerability's nature as a buffer overflow condition suggests that memory protection mechanisms such as stack canaries or address space layout randomization should be enabled where possible. Organizations should also conduct thorough vulnerability assessments to identify any other systems that might be indirectly affected through dependencies on Oracle Fusion Middleware components, as the impact can extend beyond the immediate vulnerable software to encompass entire application ecosystems that rely on document processing capabilities.