CVE-2019-2609 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 8.5.3 and 8.5.4. 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 read access to a subset of 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 6.5 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L).
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Analysis
by VulDB Data Team • 09/01/2023
The vulnerability identified as CVE-2019-2609 affects Oracle Outside In Technology, a critical component within Oracle Fusion Middleware that serves as a suite of software development kits enabling applications to process various file formats. This vulnerability specifically resides within the Outside In Filters subcomponent and impacts versions 8.5.3 and 8.5.4 of the Oracle Fusion Middleware suite. 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 environments where such services are exposed to external networks.
The technical nature of this vulnerability stems from insufficient input validation within the Outside In Technology processing engine, allowing maliciously crafted data to trigger unintended behavior in the underlying code. This weakness manifests as an insufficient validation of input parameters that are passed to the Outside In Filters functionality, creating opportunities for attackers to manipulate the processing flow. The vulnerability is classified as easily exploitable due to its accessibility over network protocols without requiring authentication credentials, making it particularly attractive to threat actors seeking to compromise systems. The attack surface is expanded by the fact that Oracle Outside In Technology is widely integrated into various Oracle applications and third-party systems that rely on its file processing capabilities.
The operational impact of this vulnerability extends beyond simple data confidentiality breaches to include partial denial of service conditions that can significantly disrupt business operations. Successful exploitation can result in unauthorized read access to sensitive data within the affected Oracle Outside In Technology components, potentially exposing proprietary information, user data, or system configuration details. Additionally, the vulnerability enables attackers to cause partial denial of service conditions that can degrade system performance or render specific functionality unavailable to legitimate users. The CVSS score of 6.5 reflects the balance between confidentiality and availability impacts, with the score assuming direct network data handling by the affected code modules. However, when data processing occurs through non-network pathways, the actual risk may be reduced, though the vulnerability remains present and exploitable through alternative attack vectors.
Organizations affected by this vulnerability should implement immediate mitigation strategies focusing on network segmentation and access controls to limit exposure of vulnerable services. The primary recommendation involves restricting network access to Oracle Outside In Technology components through firewall rules and implementing strict access controls that require authentication for any interaction with affected systems. Network monitoring should be enhanced to detect suspicious HTTP traffic patterns that may indicate exploitation attempts. Patch management procedures should be prioritized to ensure all affected Oracle Fusion Middleware installations are updated to versions that contain the necessary security fixes. Additionally, organizations should consider implementing application-level controls that validate and sanitize all input data before processing through Outside In Technology components, following security best practices outlined in the CWE-20 standard for input validation vulnerabilities. The ATT&CK framework categorizes this vulnerability under the T1190 technique for exploit public-facing application, emphasizing the need for comprehensive network security measures and regular vulnerability assessments to prevent unauthorized access and maintain system integrity.