CVE-2022-22189 in Contrail Service Orchestration
Summary
by MITRE • 04/14/2022
An Incorrect Ownership Assignment vulnerability in Juniper Networks Contrail Service Orchestration (CSO) allows a locally authenticated user to have their permissions elevated without authentication thereby taking control of the local system they are currently authenticated to. This issue affects: Juniper Networks Contrail Service Orchestration 6.0.0 versions prior to 6.0.0 Patch v3 on On-premises installations. This issue does not affect Juniper Networks Contrail Service Orchestration On-premises versions prior to 6.0.0.
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Analysis
by VulDB Data Team • 04/20/2022
The CVE-2022-22189 vulnerability represents a critical access control flaw within Juniper Networks Contrail Service Orchestration platform that fundamentally undermines the security model of the system. This issue manifests as an incorrect ownership assignment that permits locally authenticated users to escalate their privileges without requiring additional authentication mechanisms. The vulnerability specifically targets on-premises installations running Juniper CSO version 6.0.0 prior to patch v3, creating a significant risk for organizations that have not applied the necessary security updates. The flaw operates at the core of the platform's permission system, where legitimate authenticated users can exploit a design weakness to gain unauthorized elevated access to the local system they are currently operating within.
From a technical perspective, this vulnerability constitutes a privilege escalation attack vector that leverages improper access control implementation. The incorrect ownership assignment allows a user who has already established authentication credentials to manipulate system permissions and effectively assume control of the local system environment. This type of flaw aligns with CWE-284, which specifically addresses improper access control issues, and represents a direct violation of the principle of least privilege that should govern all system access controls. The vulnerability exists in the authentication and authorization mechanisms of the CSO platform, where the system fails to properly validate or enforce the boundaries of user permissions after initial authentication has been established.
The operational impact of CVE-2022-22189 extends beyond simple privilege escalation, as it provides attackers with the capability to fully compromise the local system environment where they are authenticated. This creates a significant risk for organizations that rely on CSO for service orchestration, as a single compromised authenticated user could potentially gain access to sensitive network configurations, service definitions, and operational data. The vulnerability's impact is particularly concerning in environments where CSO systems handle critical network services, as it could enable attackers to manipulate service deployments, modify network policies, or gain access to underlying infrastructure components that are typically protected by proper access controls. The attack surface expands significantly when considering that the vulnerability affects on-premises installations, which often contain sensitive production environments without the additional security layers typically found in cloud deployments.
Organizations must implement immediate remediation strategies to address this vulnerability, including applying the required patch v3 for Juniper CSO 6.0.0 installations. The mitigation approach should encompass comprehensive vulnerability scanning to identify all affected systems and ensure that patching operations are performed systematically across the entire deployment. Security teams should also conduct thorough access control reviews to identify any potential exploitation that may have occurred before patching was applied. This vulnerability demonstrates the critical importance of maintaining up-to-date security patches and the potential consequences of delayed remediation in enterprise network orchestration platforms. The issue also highlights the need for robust security monitoring and incident response procedures to detect and respond to unauthorized privilege escalation attempts within service orchestration environments.
The vulnerability's classification as an access control weakness places it within the ATT&CK framework under privilege escalation techniques, specifically targeting the use of valid accounts for unauthorized access. This aligns with ATT&CK technique T1078 which covers valid accounts and T1548 which addresses abuse of access control mechanisms. Organizations should consider implementing additional monitoring controls around authentication and authorization events, particularly focusing on unusual privilege elevation patterns that could indicate exploitation of this vulnerability. The incident response plan should include specific procedures for investigating potential privilege escalation events and verifying the integrity of system access controls following remediation efforts.