CVE-2017-10623 in Junos Space
Summary
by MITRE
Lack of authentication and authorization of cluster messages in Juniper Networks Junos Space may allow a man-in-the-middle type of attacker to intercept, inject or disrupt Junos Space cluster operations between two nodes. Affected releases are Juniper Networks Junos Space all versions prior to 17.1R1.
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Analysis
by VulDB Data Team • 01/03/2023
The vulnerability identified as CVE-2017-10623 represents a critical weakness in Juniper Networks Junos Space platform that undermines the security of cluster communications between network nodes. This flaw stems from insufficient authentication and authorization mechanisms governing cluster messages, creating an exploitable gap in the system's defensive architecture. The vulnerability affects all versions of Junos Space prior to the 17.1R1 release, leaving organizations operating these older versions susceptible to targeted attacks that can compromise cluster integrity and operational continuity. The absence of proper message authentication creates a pathway for malicious actors to manipulate cluster operations without detection.
The technical implementation of this vulnerability allows attackers to execute man-in-the-middle attacks against cluster communications, providing them with the capability to intercept, inject, or disrupt critical cluster operations between nodes. This weakness specifically targets the communication protocols used within Junos Space clusters, where cluster messages contain essential operational data that maintains system consistency and coordination. The lack of cryptographic authentication means that attackers can forge legitimate cluster messages, potentially leading to unauthorized system modifications or complete operational disruption. This vulnerability directly maps to CWE-306, which addresses missing authentication, and aligns with ATT&CK technique T1072 for Application Deployment, as it enables attackers to compromise cluster operations through message manipulation.
The operational impact of this vulnerability extends beyond simple network disruption, as it can lead to complete compromise of cluster management functions and potential system-wide failures. Attackers exploiting this weakness can manipulate cluster membership, alter operational parameters, or inject malicious commands that propagate through the cluster, potentially causing cascading failures across the network infrastructure. The disruption of cluster operations can result in service outages, data inconsistencies, and loss of operational visibility that organizations rely upon for network management. Organizations using affected Junos Space versions face significant risk of unauthorized access to their network infrastructure management systems, particularly in environments where cluster operations are critical for maintaining network availability and performance.
Mitigation strategies for CVE-2017-10623 require immediate implementation of the vendor-provided security patch, specifically upgrading to Junos Space 17.1R1 or later versions that contain the necessary authentication mechanisms. Organizations should also implement network segmentation and monitoring to detect anomalous cluster communication patterns that might indicate exploitation attempts. The remediation process involves not only software upgrades but also comprehensive review of existing cluster configurations to ensure proper authentication settings are enabled. Network administrators should consider implementing additional security controls such as encrypted communication channels and regular audit of cluster message integrity to prevent exploitation of this vulnerability. This remediation aligns with the principle of least privilege and follows security best practices outlined in NIST SP 800-53 for access control and system integrity management.