CVE-2023-0511 in Access Management Java Policy Agent
Summary
by MITRE • 02/28/2023
Relative Path Traversal vulnerability in ForgeRock Access Management Java Policy Agent allows Authentication Bypass.This issue affects Access Management Java Policy Agent: from 1.0.0 through 5.10.1.
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Analysis
by VulDB Data Team • 03/26/2023
The CVE-2023-0511 vulnerability represents a critical relative path traversal flaw within ForgeRock Access Management Java Policy Agent software, specifically impacting versions ranging from 1.0.0 through 5.10.1. This vulnerability resides in the authentication mechanism of the policy agent component, which serves as a crucial middleware element for enforcing access control policies in enterprise security environments. The flaw stems from inadequate input validation and path resolution mechanisms that fail to properly sanitize user-supplied parameters before processing them within the file system or configuration pathways. When exploited, this vulnerability enables attackers to manipulate the policy agent's behavior by crafting malicious requests that traverse directory structures beyond intended boundaries. The vulnerability is classified under CWE-22, which specifically addresses path traversal attacks, and aligns with ATT&CK technique T1078.101 for Valid Accounts and T1566.001 for Phishing, as it can be leveraged to bypass authentication controls and gain unauthorized access to protected resources.
The technical exploitation of this vulnerability occurs when the Java Policy Agent processes incoming requests that contain relative path references in parameters used for configuration file access or policy evaluation. Attackers can manipulate these parameters to reference files outside the intended directory scope, potentially allowing them to read sensitive configuration files, bypass authentication checks, or even execute arbitrary code within the context of the policy agent process. The vulnerability specifically targets the agent's handling of authentication bypass scenarios where path traversal allows attackers to access restricted resources without proper authentication credentials. This flaw is particularly dangerous because it operates at the policy agent level, which is responsible for enforcing security policies and maintaining access control boundaries. The exploitation typically requires minimal privileges and can be executed through carefully crafted HTTP requests that manipulate the agent's internal path resolution logic.
The operational impact of CVE-2023-0511 extends beyond simple authentication bypass, as it fundamentally compromises the security posture of organizations relying on ForgeRock Access Management solutions. When successfully exploited, attackers can gain unauthorized access to protected applications and services, potentially leading to data breaches, privilege escalation, and lateral movement within the network. The vulnerability affects enterprise environments where the policy agent is deployed to enforce security controls across multiple applications and services, making it a significant threat vector for organizations with complex security infrastructures. Organizations may experience unauthorized access to sensitive data, disruption of access control mechanisms, and potential compliance violations depending on their regulatory requirements. The impact is particularly severe in environments where the policy agent serves as a central security control point for access management, as compromise of this component can cascade into broader system compromises.
Organizations must implement immediate mitigations to address CVE-2023-0511, starting with upgrading to the latest available version of the ForgeRock Access Management Java Policy Agent that contains the necessary patches. The vendor has released updates that correct the path traversal vulnerability by implementing proper input sanitization and validation mechanisms within the policy agent's configuration processing logic. Security teams should also deploy network-based controls including web application firewalls and intrusion detection systems that can detect and block suspicious path traversal patterns in incoming requests. Additional defensive measures include implementing strict access controls for the policy agent configuration files, monitoring for unusual file access patterns, and conducting thorough security assessments of all policy agent deployments. Organizations should also consider implementing principle of least privilege controls for the policy agent processes and regularly audit access logs for signs of exploitation attempts. The mitigation strategy should align with industry best practices outlined in NIST SP 800-53 and ISO/IEC 27001 frameworks, ensuring that the security controls address both the immediate vulnerability and broader access management security requirements.