Joomla! User-Agent Object Injection RCE

This script is Copyright (C) 2016-2017 Tenable Network Security, Inc.


Synopsis :

The remote web server contains a PHP application that is affected by
a remote code execution vulnerability.

Description :

The Joomla! application running on the remote web server is affected
by a remote code execution vulnerability due to improper sanitization
of the User-Agent header field when saving session values. An
unauthenticated, remote attacker can exploit this, via a serialized
PHP object, to execute arbitrary PHP code.

See also :

http://www.nessus.org/u?bec8944e

Solution :

Upgrade to Joomla! version 3.4.6 or later.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 6.2
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: CGI abuses

Nessus Plugin ID: 88489 ()

Bugtraq ID: 79195

CVE ID: CVE-2015-8562

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