CVE-2015-3004 in Junos
Summary
by MITRE
J-Web in Juniper Junos 11.4 before 11.4R12, 12.1X44 before 12.1X44-D35, 12.1X46 before 12.1X46-D25, 12.1X47 before 12.1X47-D10, 12.3X48 before 12.3X48-D10, 12.2 before 12.2R9, 12.3 before 12.3R7, 13.2 before 13.2R6, 13.2X51 before 13.2X51-D20, 13.3 before 13.3R5, 14.1 before 14.1R3, 14.1X53 before 14.1X53-D10, and 14.2 before 14.2R1 allows remote attackers to conduct clickjacking attacks via an X-Frame-Options header.
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Analysis
by VulDB Data Team • 05/03/2022
The vulnerability identified as CVE-2015-3004 affects J-Web, the web-based management interface of Juniper Junos operating systems across multiple version ranges. This security flaw resides in the web application layer and represents a significant concern for network administrators who rely on web-based interfaces for device management. The vulnerability specifically impacts devices running Junos versions prior to the listed patched releases, creating a widespread exposure across numerous network infrastructure components that utilize Juniper's web management interface.
The technical flaw in question involves the improper implementation of the X-Frame-Options header within the J-Web interface. This header is a critical security mechanism designed to prevent clickjacking attacks by controlling whether a web page can be embedded within an iframe element. When the X-Frame-Options header is missing or improperly configured, attackers can overlay malicious content on top of legitimate web interface elements, tricking users into performing unintended actions. The vulnerability stems from the absence of proper frame-ancestry controls that should prevent the web interface from being embedded in external domains, making it susceptible to overlay attacks.
The operational impact of this vulnerability is substantial as it allows remote attackers to execute clickjacking attacks against authenticated users who interact with the J-Web interface. Attackers can craft malicious web pages that embed the vulnerable J-Web interface within invisible or disguised iframes, causing unsuspecting administrators to unknowingly perform administrative actions. This could lead to unauthorized configuration changes, credential theft, or complete system compromise. The vulnerability is particularly dangerous because it affects the management interface, which typically has elevated privileges and access to critical network functions, making it a prime target for attackers seeking persistent access to network infrastructure.
Security professionals should consider this vulnerability in the context of CWE-1021, which specifically addresses improper restriction of rendering of web content, and aligns with ATT&CK technique T1566.001 for credential harvesting through phishing. Organizations should immediately implement mitigations including applying the relevant security patches released by Juniper, implementing additional web application firewalls, and conducting security awareness training for administrators to recognize potential clickjacking attempts. Network segmentation and multi-factor authentication for administrative access should also be considered as additional defensive measures to reduce the attack surface and limit the potential impact of such vulnerabilities in the broader security posture.