CVE-2017-10262 in Access Manager
Summary
by MITRE
Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware (subcomponent: Web Server Plugin). The supported version that is affected is 11.1.2.3.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTPS to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Access Manager accessible data. CVSS 3.0 Base Score 5.9 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N).
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Analysis
by VulDB Data Team • 01/30/2021
The vulnerability identified as CVE-2017-10262 resides within Oracle Access Manager's Web Server Plugin component of Oracle Fusion Middleware, specifically affecting version 11.1.2.3.0. This represents a significant security weakness in enterprise identity and access management systems where unauthorized access can occur through unauthenticated network connections over HTTPS protocol. The vulnerability's classification as difficult to exploit indicates that while it requires some level of technical skill and knowledge to leverage, the attack surface remains accessible to determined threat actors. The CVSS 3.0 score of 5.9 reflects a medium severity rating with particular emphasis on confidentiality impacts, highlighting the potential for sensitive data exposure and unauthorized access to critical enterprise resources.
The technical flaw manifests within the Web Server Plugin's handling of HTTP requests and authentication processes, where insufficient validation mechanisms allow malicious actors to bypass normal access controls. This vulnerability operates at the web server integration layer, potentially enabling attackers to gain access to the underlying Oracle Access Manager infrastructure without requiring valid credentials or authentication tokens. The attack vector specifically leverages HTTPS network connections, suggesting that the vulnerability could be exploited from remote locations without the need for physical access to the network or system. The affected component's role in web server integration means that successful exploitation could potentially compromise the entire access management framework, affecting multiple applications and services that rely on Oracle Access Manager for authentication and authorization services.
The operational impact of this vulnerability extends beyond simple data theft, as it could enable complete access to all data accessible through Oracle Access Manager, potentially affecting thousands of users and applications within an enterprise environment. Organizations relying on this access management system for critical business processes face significant risk of unauthorized data access, potential service disruption, and compliance violations. The vulnerability's potential to compromise critical data aligns with CWE-284 (Improper Access Control) and may also relate to CWE-312 (Cleartext Storage of Sensitive Information) if the vulnerability involves improper handling of authentication tokens or session information. Security professionals should consider this vulnerability in their threat modeling exercises, particularly for environments where Oracle Access Manager serves as a primary identity provider for enterprise applications and services.
Mitigation strategies should focus on immediate patch application from Oracle's security advisories, which would address the specific authentication bypass mechanisms within the Web Server Plugin. Network segmentation and firewall rules should be implemented to limit access to Oracle Access Manager components, particularly restricting direct internet access to these systems. Organizations should also conduct comprehensive vulnerability assessments to identify any additional systems that may be vulnerable due to similar plugin or component configurations. The implementation of additional monitoring and logging mechanisms around authentication and access control events can help detect potential exploitation attempts. Furthermore, security teams should consider implementing network-based intrusion detection systems that can identify anomalous traffic patterns associated with this specific vulnerability, as outlined in relevant ATT&CK framework techniques for credential access and privilege escalation. Regular security assessments and penetration testing should be conducted to ensure that similar vulnerabilities are not present in other components of the Oracle Fusion Middleware stack.