J-Security Center

Title: Citrix Nfuse Published Applications Information Leak Vulnerability

Severity: MODERATE

Description:

Citrix Nfuse is an application portal server meant to provide the functionality of any application on the server via a web browser. Nfuse works in conjunction with a previously-installed webserver.

An issue has been reported which could disclose applications residing on the Nfuse host, prior to a user authenticating.

If a request for 'applist.asp' is submitted without authentication, Nfuse reportedly will disclose a list of all published applications.

It should be noted that actually gaining access to the application is not possible without authentication.

Exploitation of this vulnerability will disclose sensitive information about a host, which may facilitate further "intelligent" attacks on the host.

There have been reports that this issue could not be reproduced.

* The result of this issue is likely due to a session cookie which is not deleted until all browser sessions are shut down. If the user properly logs out, the session cookie is modified such that they must re-authenticate.

Affected Products:

  • Citrix Nfuse 1.6.0

References:

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