CVE-2014-3823 in Junos Pulse
Summary
by MITRE
The Juniper Junos Pulse Secure Access Service (SSL VPN) devices with IVE OS 8.0 before 8.0r1, 7.4 before 7.4r5, and 7.1 before 7.1r18 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
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Analysis
by VulDB Data Team • 02/16/2022
The vulnerability identified as CVE-2014-3823 affects Juniper Junos Pulse Secure Access Service devices running specific versions of the IVE OS operating system. This security flaw resides within the web-based administrative interface of these SSL VPN appliances, creating a significant risk for organizations relying on Juniper's secure access solutions. The vulnerability specifically impacts devices with IVE OS versions 8.0 before 8.0r1, 7.4 before 7.4r5, and 7.1 before 7.1r18, making them susceptible to various forms of malicious web-based attacks that exploit the lack of proper clickjacking protection mechanisms.
Clickjacking attacks represent a sophisticated form of user interface redress attack where malicious actors can trick users into performing unintended actions by overlaying invisible or deceptive elements on legitimate web pages. In the context of this Juniper vulnerability, the absence of adequate clickjacking protection allows attackers to craft malicious web pages that can deceive users into executing unauthorized actions on the vulnerable SSL VPN device. The unspecified vectors mentioned in the CVE description indicate that the vulnerability could be exploited through various methods, including but not limited to manipulated iframe elements, deceptive page overlays, or carefully crafted web content that exploits the lack of proper security headers and frame protection mechanisms within the affected device's web interface.
The operational impact of this vulnerability extends beyond simple unauthorized access attempts, as it can enable attackers to manipulate the SSL VPN device's administrative functions through user deception. This creates potential for privilege escalation, configuration changes, and unauthorized access to protected network resources. Organizations using affected Juniper devices face significant risks including unauthorized network access, data exfiltration, and potential compromise of the entire secure access infrastructure. The vulnerability essentially undermines the trust model that SSL VPN solutions rely upon, allowing attackers to bypass normal authentication and authorization mechanisms by tricking legitimate users into performing malicious actions through carefully crafted web interfaces.
Security professionals should note that this vulnerability aligns with CWE-1021, which specifically addresses Improper Restriction of Rendered UI Layers or Frames, and relates to the broader category of UI redress attacks that have been documented in various cybersecurity frameworks. The ATT&CK framework would categorize this vulnerability under T1212, Exploitation for Credential Access, as attackers could leverage the clickjacking capability to obtain administrative credentials or execute unauthorized administrative commands. Organizations should prioritize immediate remediation by upgrading to the patched versions of IVE OS as specified in Juniper's security advisories, implementing additional network monitoring to detect suspicious traffic patterns, and ensuring that proper security headers including X-Frame-Options are enforced on all web interfaces. The vulnerability also highlights the importance of maintaining current security patches and conducting regular security assessments of network infrastructure components, particularly those with web-based management interfaces that may be exposed to external threats.