Apache Struts 2.x < 2.3.28 Multiple Vulnerabilities

This script is Copyright (C) 2016 Tenable Network Security, Inc.


Synopsis :

The remote Windows host contains a web application that uses a Java
framework that is affected by multiple vulnerabilities.

Description :

The version of Apache Struts running on the remote Windows host is 2.x
prior to 2.3.28. It is, therefore, affected by the following
vulnerabilities :

- A remote code execution vulnerability exists due to
double OGNL evaluation of attribute values assigned to
certain tags. An unauthenticated, remote attacker can
exploit this, via a specially crafted request, to
execute arbitrary code. (CVE-2016-0785)

- A cross-site scripting vulnerability exists due to
improper validation of user-supplied input when using
the I18NInterceptor. A remote attacker can exploit this,
via a specially crafted request, to execute arbitrary
script code in a user's browser session. (CVE-2016-2162)

- A denial of service vulnerability exists in the
Object-Graph Navigation Language (OGNL) component due to
a flaw in the implementation of the cache for stored
method references. A context-dependent attacker can
exploit this to block access to arbitrary websites.
(CVE-2016-3093)

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

See also :

https://struts.apache.org/docs/s2-029.html
https://struts.apache.org/docs/s2-030.html
https://struts.apache.org/docs/s2-034.html
http://struts.apache.org/docs/version-notes-2328.html

Solution :

Upgrade to Apache Struts version 2.3.28 or later. Alternatively,
apply the workaround referenced in the vendor advisory.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 7.4
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: Windows

Nessus Plugin ID: 90153 ()

Bugtraq ID:

CVE ID: CVE-2016-0785
CVE-2016-2162
CVE-2016-3093

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