CVE-2017-10154 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. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized read access to a subset of Oracle Access Manager accessible data. CVSS 3.0 Base Score 5.3 (Confidentiality impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N).
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Analysis
by VulDB Data Team • 01/18/2021
The vulnerability identified as CVE-2017-10154 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 that are widely deployed across organizations. The vulnerability operates at the web server plugin level, which serves as a critical interface between the web server and the Oracle Access Manager system, making it a prime target for attackers seeking unauthorized access to protected resources.
The technical flaw manifests as an insufficient authentication mechanism within the Web Server Plugin that fails to properly validate incoming HTTP requests. This weakness allows an unauthenticated attacker to exploit the system through network-based HTTP access without requiring any prior credentials or authorization. The vulnerability's classification as easily exploitable indicates that the attack vector requires minimal technical skill or resources to execute successfully, making it particularly dangerous in production environments where such systems are often exposed to external networks. The CVSS 3.0 score of 5.3 reflects the moderate severity of the confidentiality impact, with the vector showing low attack complexity, no required privileges, and no user interaction needed.
The operational impact of this vulnerability extends beyond simple data exposure, as it enables unauthorized read access to a subset of Oracle Access Manager accessible data. This means that attackers could potentially gain access to sensitive user information, authentication tokens, or other confidential data stored within the system's accessible components. The compromised data access could lead to further exploitation opportunities, including identity theft, privilege escalation, or unauthorized system modifications that could affect the overall security posture of organizations relying on Oracle Access Manager for access control. Organizations may face compliance violations and regulatory penalties if sensitive data is compromised through this vulnerability.
Mitigation strategies should focus on immediate patching of the affected Oracle Access Manager version to the latest supported release that addresses this vulnerability. Network segmentation and firewall rules should be implemented to restrict access to the affected plugin components, particularly limiting HTTP access to trusted networks only. Organizations should also implement additional monitoring and logging of HTTP access patterns to detect potential exploitation attempts. The vulnerability aligns with CWE-287, which addresses improper authentication issues, and represents a potential entry point for attackers following ATT&CK technique T1078 for valid accounts and T1046 for network service scanning. Regular security assessments and penetration testing should be conducted to identify similar weaknesses in the broader Oracle Fusion Middleware ecosystem and ensure comprehensive protection against similar vulnerabilities.