ScreenOS: XSS vulnerability in ScreenOS Firewall

8.4 CVSS

Vulnerability Description

A persistent cross site scripting vulnerability in NetScreen WebUI of Juniper Networks Juniper NetScreen Firewall+VPN running ScreenOS allows a user with the 'security' role to inject HTML/JavaScript content into the management session of other users including the administrator. This enables the lower-privileged user to effectively execute commands with the permissions of an administrator. This issue affects Juniper Networks ScreenOS 6.3.0 releases prior to 6.3.0r24 on SSG Series. No other Juniper Networks products or platforms are affected by this issue.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Gaku Mochizuki/Toshitsugu Yoneyama from Mitsui Bussan Secure Directions, Inc., for reporting this issue to the JPCERT/CC.
Craig Young, Principal Security Researcher, Tripwire VERT, for responsibly reporting this vulnerability.