CVE-2018-2587 in Adaptive Access Manager
Summary
by MITRE
Vulnerability in the Oracle Access Manager component of Oracle Fusion Middleware (subcomponent: Web Server Plugin). Supported versions that are affected are 10.1.4.3.0, 11.1.2.3.0 and 12.2.1.3.0. Difficult to exploit vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Access Manager. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Access Manager accessible data as well as unauthorized read access to a subset of Oracle Access Manager accessible data. CVSS 3.0 Base Score 6.5 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N).
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Analysis
by VulDB Data Team • 02/16/2021
The vulnerability identified as CVE-2018-2587 resides within the Oracle Access Manager component of Oracle Fusion Middleware, specifically within the Web Server Plugin subcomponent. This security flaw affects multiple supported versions including 10.1.4.3.0, 11.1.2.3.0, and 12.2.1.3.0, representing a significant risk to organizations utilizing Oracle's identity and access management solutions. The vulnerability's classification as difficult to exploit indicates that while it requires some level of technical sophistication and specific conditions to be successfully leveraged, the potential impact on affected systems remains severe. The CVSS 3.0 base score of 6.5 reflects the balanced severity assessment considering confidentiality and integrity impacts, with the vector AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:N indicating network-based access requirements with high attack complexity, no privilege requirements, and no user interaction needed.
The technical nature of this vulnerability stems from insufficient input validation and authentication mechanisms within the Web Server Plugin component of Oracle Access Manager. Attackers can exploit this weakness through HTTP network connections without requiring authentication credentials, making it particularly dangerous as it can be targeted by automated scanning tools and malicious actors seeking to compromise enterprise identity management systems. The flaw allows unauthorized individuals to perform critical operations including data creation, deletion, and modification within the Oracle Access Manager environment, while also enabling selective read access to sensitive data that should otherwise be protected. This represents a fundamental breakdown in the access control mechanisms that Oracle Access Manager is designed to provide, potentially allowing attackers to gain unauthorized access to enterprise resources and sensitive information stored within the system.
The operational impact of CVE-2018-2587 extends beyond simple data compromise, as it can lead to complete unauthorized access to critical enterprise data and system functionality. Organizations relying on Oracle Access Manager for identity and access management may find their security posture severely weakened, potentially allowing attackers to escalate privileges, modify user accounts, or gain access to sensitive corporate information. The vulnerability's potential to affect all accessible data within Oracle Access Manager, combined with the ability to perform unauthorized modifications, creates a significant risk for enterprise environments where access control and data integrity are paramount. This weakness directly violates the principle of least privilege and can enable attackers to establish persistent access to critical systems, making it particularly dangerous for organizations with extensive Oracle Fusion Middleware deployments. The CVSS scoring indicates a moderate to high severity threat level that requires immediate attention from security teams responsible for protecting enterprise identity infrastructure.
Organizations affected by CVE-2018-2587 should implement immediate mitigation strategies including applying Oracle's security patches and updates to resolve the vulnerability in affected versions. Network segmentation and firewall rules should be configured to limit access to Oracle Access Manager components, particularly restricting HTTP access from untrusted networks. Security monitoring should be enhanced to detect unusual access patterns or unauthorized modifications to identity management systems. The vulnerability aligns with CWE-284 (Improper Access Control) and can be categorized under ATT&CK techniques related to privilege escalation and credential access. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in the Oracle Fusion Middleware environment, while incident response procedures should be updated to address potential exploitation of this vulnerability. Organizations should also consider implementing additional authentication controls and monitoring solutions to detect and prevent unauthorized access attempts to their identity management infrastructure.