CVE-2017-11461 in OnCommand Unified Manager for 7-mode
Summary
by MITRE
NetApp OnCommand Unified Manager for 7-mode (core package) versions prior to 5.2.1 are susceptible to a clickjacking or "UI redress attack" which could be used to cause a user to perform an unintended action in the user interface.
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Analysis
by VulDB Data Team • 12/05/2019
The vulnerability identified as CVE-2017-11461 affects NetApp OnCommand Unified Manager for 7-mode core package versions before 5.2.1, presenting a significant security risk through clickjacking or UI redress attack vectors. This type of vulnerability exploits the trust relationship between a user's browser and web applications, allowing attackers to trick users into performing unintended actions while believing they are interacting with a legitimate interface. The flaw specifically resides in the user interface components of the OnCommand Unified Manager platform, which serves as a critical management tool for NetApp storage systems running in 7-mode architecture.
The technical implementation of this clickjacking vulnerability stems from insufficient protection mechanisms within the web application's user interface elements. Attackers can embed the vulnerable OnCommand Unified Manager interface within a malicious webpage using iframe techniques, creating a deceptive user experience where legitimate interface elements appear to function normally while actually executing attacker-controlled commands. This occurs because the application lacks proper anti-clickjacking measures such as X-Frame-Options headers or Content Security Policy directives that would prevent the application from being embedded in third-party web pages. The vulnerability allows attackers to manipulate user interactions through layered web elements, potentially enabling unauthorized administrative actions, data manipulation, or system configuration changes.
The operational impact of this vulnerability extends beyond simple user interface manipulation to potentially compromise the entire storage management infrastructure. Since OnCommand Unified Manager serves as a critical administrative interface for storage systems, successful exploitation could enable attackers to perform sensitive operations such as creating or modifying storage volumes, changing user permissions, or accessing confidential system information. The attack surface is particularly concerning given that the vulnerability affects versions prior to 5.2.1, indicating that a significant portion of users would be exposed to this risk. Organizations relying on 7-mode storage environments for critical data operations face elevated risk of unauthorized access and potential data compromise through this UI-based attack vector.
Mitigation strategies for CVE-2017-11461 should prioritize immediate patching of affected systems to version 5.2.1 or later, which incorporates proper clickjacking protection mechanisms. Organizations must implement comprehensive web application security measures including deployment of X-Frame-Options headers with appropriate values such as DENY or SAMEORIGIN, along with Content Security Policy directives that prevent frame embedding. Network administrators should also consider implementing additional security controls such as web application firewalls that can detect and block malicious frame embedding attempts. The vulnerability aligns with CWE-1021, which specifically addresses "Improper Restriction of Rendered UI Elements" and falls under ATT&CK technique T1059.001 for command and scripting interpreter, as attackers could leverage this vulnerability to execute unauthorized administrative commands through manipulated user interface interactions. Regular security assessments and user awareness training should be implemented to prevent social engineering aspects of clickjacking attacks, ensuring that personnel understand the risks associated with clicking on untrusted links or visiting suspicious websites that may contain malicious iframe content.