CVE-2013-5095 in Junos Space
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in the web-based interface in Juniper Junos Space before 13.1R1.6, as used on the JA1500 appliance and in other contexts, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, aka PR 884469.
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Analysis
by VulDB Data Team • 05/21/2021
The vulnerability identified as CVE-2013-5095 represents a critical cross-site scripting flaw within the web-based management interface of Juniper Junos Space versions prior to 13.1R1.6. This security weakness specifically affects the JA1500 appliance and other deployment contexts where Junos Space is utilized for network device management and monitoring. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is a fundamental web application security flaw that enables attackers to inject malicious scripts into web pages viewed by other users. The issue stems from insufficient input validation and output encoding mechanisms within the web interface components that process user-supplied data.
The technical exploitation of this vulnerability occurs through unspecified attack vectors that allow remote attackers to inject arbitrary web scripts or HTML content into the Junos Space web interface. This injection capability enables attackers to execute malicious code within the context of other users' browsers who interact with the compromised interface. The vulnerability's impact extends beyond simple script execution as it can be leveraged to perform session hijacking, steal sensitive information, redirect users to malicious sites, or perform unauthorized actions on behalf of authenticated users. The attack requires no special privileges or authentication to exploit, making it particularly dangerous in environments where the web interface is accessible to unauthenticated users.
From an operational standpoint, the implications of this vulnerability are severe for organizations relying on Juniper Junos Space for network management. The compromised web interface could serve as a foothold for attackers to escalate their privileges and gain deeper access to network infrastructure. Network administrators who regularly interact with the Junos Space interface become potential targets for credential theft and session manipulation. The vulnerability also impacts the integrity of network monitoring data and can compromise the trustworthiness of the management platform. Organizations may experience service disruption, data breaches, and potential compliance violations when such vulnerabilities exist in their network management systems. The attack surface is particularly concerning given that the web interface is often exposed to external networks for remote management purposes.
The remediation strategy for CVE-2013-5095 involves upgrading to Juniper Junos Space version 13.1R1.6 or later, which includes the necessary patches to address the cross-site scripting vulnerabilities. Organizations should also implement additional security controls such as web application firewalls, input validation mechanisms, and regular security assessments of their network management interfaces. Network segmentation and access controls should be strengthened to limit exposure of the vulnerable interface to untrusted networks. Security teams should conduct thorough vulnerability assessments to identify similar issues in other network management systems and ensure proper output encoding practices are implemented throughout the application. The vulnerability demonstrates the critical importance of maintaining up-to-date security patches and following secure coding practices to prevent injection attacks in web applications.
This vulnerability aligns with ATT&CK technique T1566.001 for Phishing and T1071.001 for Application Layer Protocol: Web Protocols, as attackers can leverage the XSS flaw to deliver malicious payloads through web interfaces. The remediation approach should include implementing the principle of least privilege, regular security training for administrators, and continuous monitoring of web application traffic for suspicious activities. Organizations should also establish incident response procedures specifically addressing web application vulnerabilities and maintain comprehensive backup and recovery capabilities to mitigate potential damage from exploitation attempts. The vulnerability serves as a reminder of the critical need for robust input validation and output encoding practices in web applications, particularly those managing critical network infrastructure components.