CVE-2018-1850 in Security Access Manager Appliance
Summary
by MITRE
IBM Security Access Manager Appliance 9.0.3.1, 9.0.4.0 and 9.0.5.0 could allow unauthorized administration operations when Advanced Access Control services are running. IBM X-Force ID: 150998.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 05/30/2023
The vulnerability identified as CVE-2018-1850 affects IBM Security Access Manager Appliance versions 9.0.3.1, 9.0.4.0, and 9.0.5.0, representing a critical security flaw that undermines the integrity of access control mechanisms within the appliance. This issue specifically impacts environments where Advanced Access Control services are operational, creating a pathway for unauthorized administrative actions that could compromise the entire security infrastructure. The vulnerability stems from inadequate authorization checks within the appliance's administrative interfaces, allowing attackers to perform privileged operations without proper authentication or access controls. The flaw demonstrates a fundamental weakness in the appliance's privilege management system, where administrative functions remain accessible to unauthorized users despite the presence of advanced access control services that should normally enforce strict access restrictions. This represents a significant deviation from security best practices and industry standards, as proper privilege separation and access control validation are fundamental requirements for secure system administration.
The technical implementation of this vulnerability occurs when the Advanced Access Control services are running, creating a scenario where administrative operations can be executed by users who should not possess such privileges. The flaw likely involves insufficient validation of user credentials or role-based access controls during administrative function execution, potentially allowing attackers to escalate privileges or directly invoke administrative commands through manipulated API calls or interface interactions. This type of vulnerability aligns with CWE-285, which addresses improper authorization issues in software systems, and specifically relates to the failure to properly enforce access control mechanisms. The operational impact extends beyond simple unauthorized access, as successful exploitation could enable attackers to modify security policies, add new users, or manipulate access controls, effectively compromising the entire security posture of the protected environment. Attackers could leverage this vulnerability to gain full administrative control over the appliance, potentially leading to unauthorized access to protected resources and disruption of security services.
The consequences of this vulnerability extend significantly beyond the immediate compromise of administrative functions, as it fundamentally undermines the trust model that security appliances are designed to maintain. Organizations relying on IBM Security Access Manager Appliance for access control and authentication services face substantial risk exposure, as unauthorized administrative access could enable attackers to bypass security controls, modify user permissions, or disable security features entirely. This vulnerability creates an attack surface that aligns with multiple ATT&CK techniques including privilege escalation, defense evasion, and credential access, making it particularly dangerous for enterprise environments where the appliance serves as a critical security control. The potential for lateral movement within networks increases substantially as attackers could use compromised administrative access to manipulate access controls for other systems or services that depend on the appliance for authentication and authorization. Organizations may experience regulatory compliance issues and security audit failures due to the unauthorized access capabilities this vulnerability provides, as it directly violates security frameworks that require proper segregation of duties and access control enforcement.
Organizations should immediately implement mitigations including applying the latest security patches from IBM, which address the authorization validation flaws in the appliance's administrative interfaces. Network segmentation and access control measures should be enhanced to limit direct access to the appliance's administrative interfaces, while monitoring should be implemented to detect unauthorized access attempts or administrative operations. The appliance configuration should be reviewed to ensure that Advanced Access Control services are properly configured with appropriate access controls and that administrative functions are restricted to authorized personnel only. Security teams should conduct comprehensive vulnerability assessments to identify any potential exploitation attempts and establish incident response procedures specifically addressing administrative privilege compromise. Additional protective measures include implementing multi-factor authentication for administrative access, regular access control reviews, and continuous monitoring of administrative activities through audit logs and security information event management systems. Organizations should also consider implementing network access controls to restrict direct administrative access to the appliance from external networks and ensure that only trusted administrative workstations can access the appliance's management interfaces.