CVE-2017-10267 in Fusion Middleware
Summary
by MITRE
Vulnerability in the Oracle Tuxedo component of Oracle Fusion Middleware (subcomponent: Core). Supported versions that are affected are 11.1.1, 12.1.1, 12.1.3 and 12.2.2. Easily exploitable vulnerability allows unauthenticated attacker with network access via Jolt to compromise Oracle Tuxedo. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Tuxedo accessible data. CVSS 3.0 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 01/23/2021
The vulnerability identified as CVE-2017-10267 resides within Oracle Tuxedo, a critical component of Oracle Fusion Middleware that serves as a distributed application server for enterprise applications. This vulnerability specifically affects the Core subcomponent of Tuxedo and impacts several major version releases including 11.1.1, 12.1.1, 12.1.3, and 12.2.2. The flaw represents a significant security weakness that exposes organizations to potential compromise through network-based attacks. The vulnerability's classification as easily exploitable indicates that attackers can leverage it without requiring specialized skills or extensive preparation, making it particularly dangerous in production environments where such systems are often exposed to external networks.
The technical nature of this vulnerability stems from insufficient authentication mechanisms within the Jolt protocol implementation used by Oracle Tuxedo for inter-process communication. Jolt is a high-performance communication protocol that enables distributed applications to communicate across network boundaries, and the flaw allows unauthenticated attackers to establish connections and potentially execute unauthorized operations against the Tuxedo system. This weakness creates a pathway for attackers to bypass normal authentication procedures and gain access to the underlying Tuxedo services. The vulnerability's CVSS score of 7.5 reflects the high impact on confidentiality, indicating that successful exploitation could lead to unauthorized access to critical data or complete access to all data accessible through the compromised Tuxedo system. The attack vector is network-based, meaning that an attacker does not require physical access or prior authentication credentials to exploit this vulnerability, and the low attack complexity further reduces the barrier to successful exploitation.
The operational impact of CVE-2017-10267 extends far beyond simple data access violations, as it creates a comprehensive compromise scenario for organizations relying on Oracle Tuxedo for critical business applications. When exploited, this vulnerability can enable attackers to access sensitive enterprise data, potentially including financial records, customer information, and proprietary business data that flows through the Tuxedo infrastructure. The confidentiality impact is rated as high because the vulnerability allows for complete access to all data accessible through the compromised Tuxedo system without requiring any authentication credentials. Organizations using affected Tuxedo versions may face significant regulatory compliance issues, as this vulnerability could violate data protection requirements under various frameworks including gdpr, hipaa, and soc 2. The vulnerability's potential for unauthorized access to critical data creates a substantial risk for business continuity and data integrity, particularly in industries where real-time transaction processing and data consistency are paramount.
Mitigation strategies for CVE-2017-10267 should prioritize immediate patching of affected Oracle Tuxedo installations to the latest supported versions that contain the necessary security fixes. Organizations should also implement network segmentation to limit access to Tuxedo services and restrict Jolt protocol communications to trusted network segments only. The principle of least privilege should be enforced by configuring Tuxedo to only accept connections from authorized systems and implementing firewall rules that block unnecessary network access to the Jolt protocol ports. Additionally, organizations should conduct comprehensive network monitoring to detect any unauthorized access attempts or anomalous behavior that might indicate exploitation attempts. Security teams should also review and validate their existing access controls and authentication mechanisms within the Tuxedo environment to ensure that any potential attackers cannot leverage this vulnerability to escalate privileges or access additional system resources. From a compliance perspective, organizations should document their remediation efforts and conduct regular security assessments to verify that the vulnerability has been properly addressed. This vulnerability aligns with CWE-287, which addresses authentication failures, and maps to ATT&CK techniques such as T1078 for valid accounts and T1190 for exploit public-facing application, demonstrating the multi-faceted approach required for effective defense against this class of vulnerability.