CVE-2017-10369 in Virtual Directory
Summary
by MITRE
Vulnerability in the Oracle Virtual Directory component of Oracle Fusion Middleware (subcomponent: Virtual Directory Server). Supported versions that are affected are 11.1.1.7.0 and 11.1.1.9.0. Difficult to exploit vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Virtual Directory. Successful attacks of this vulnerability can result in takeover of Oracle Virtual Directory. CVSS 3.0 Base Score 7.5 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H).
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Analysis
by VulDB Data Team • 01/17/2021
The vulnerability identified as CVE-2017-10369 resides within Oracle Virtual Directory, a critical component of Oracle Fusion Middleware that serves as a virtual directory server facilitating centralized identity management and directory services. This specific flaw affects two major release versions 11.1.1.7.0 and 11.1.1.9.0, making it a widespread concern for organizations utilizing Oracle Fusion Middleware solutions. The vulnerability operates at the Virtual Directory Server subcomponent level, which acts as a bridge between various directory services and applications, making it a prime target for attackers seeking to compromise identity infrastructure. The attack vector requires only network access via HTTP protocol, indicating that the vulnerability can be exploited from remote locations without requiring physical access or elevated privileges initially.
The technical nature of this vulnerability presents a significant security risk due to its classification as difficult to exploit yet capable of producing severe consequences. The CVSS 3.0 score of 7.5 reflects high impact across all three core security principles: confidentiality, integrity, and availability. Attackers with low privilege levels can potentially gain complete control over the affected Oracle Virtual Directory system, which represents a critical escalation from their initial access level. The vulnerability's characteristics indicate a potential authentication bypass or privilege escalation flaw within the HTTP request processing mechanisms of the virtual directory server. This type of vulnerability often stems from improper input validation or insufficient access controls that allow unauthorized users to manipulate system behavior through crafted HTTP requests.
The operational impact of successful exploitation extends far beyond simple system compromise, as Oracle Virtual Directory serves as a foundational identity management service for many enterprise applications. A successful attack could result in complete takeover of directory services, allowing attackers to access sensitive user credentials, modify directory entries, and potentially gain access to additional systems within the network that rely on the compromised directory infrastructure. The availability impact is particularly concerning as directory services are often critical for system authentication, authorization, and user management functions. Organizations may experience service disruptions, unauthorized access to protected resources, and potential data breaches that could compromise the integrity of their entire identity management ecosystem.
Mitigation strategies for CVE-2017-10369 should prioritize immediate patch deployment from Oracle, as this represents a critical vulnerability that can be exploited remotely with minimal prerequisites. Network segmentation and firewall rules should be implemented to restrict HTTP access to Oracle Virtual Directory servers only from trusted sources, reducing the attack surface. Regular security monitoring and log analysis should be enhanced to detect unusual directory access patterns or unauthorized modifications. Organizations should also consider implementing additional authentication controls, such as multi-factor authentication for administrative access, and regular vulnerability assessments to identify similar weaknesses in their directory services infrastructure. This vulnerability aligns with CWE-284 (Improper Access Control) and may map to ATT&CK techniques involving privilege escalation and credential access through network-based attacks. The remediation process should include comprehensive testing to ensure patches do not disrupt existing directory service functionality while maintaining the security posture of the entire Oracle Fusion Middleware environment.