Apache Struts 2 Multiple Vulnerabilities

This script is Copyright (C) 2014-2017 Tenable Network Security, Inc.

Synopsis :

The remote web server hosts a web application that uses a Java
framework that is affected by multiple vulnerabilities.

Description :

The remote web server is using a version of Struts 2 that is affected
by multiple vulnerabilities :

- A cross-site request forgery vulnerability exists due to
the token generator failing to adequately randomize the
token values. An attacker can exploit this issue by
extracting a token from a form and then predicting the
next token value that will be used to secure form
submissions. By convincing a victim to visit a specially
crafted form, the predicted token value can be used to
force an action for a logged in user. Note that this
vulnerability can only be exploited when the <s:token/>
tag is used within a form. (CVE-2014-7809)

- A cross-site scripting vulnerability exists due to
improper validation of input passed via the 'Problem
Report' screen when using debug mode. An
unauthenticated, remote attacker can exploit this, via a
specially crafted request, to execute arbitrary script
code in the context of a user's browser session.

Note that Nessus has not tested for these issues but has instead
relied only on the application's self-reported version number.

See also :


Solution :

Upgrade to Apache Struts version 2.3.20 or later.

Risk factor :

Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.0
Public Exploit Available : false

Family: Windows

Nessus Plugin ID: 79860 ()

Bugtraq ID: 71548

CVE ID: CVE-2014-7809

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