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Date: Wed, 25 Jan 2017 19:26:14 +0100
From: Summer of Pwnage <lists@...urify.nl>
To: fulldisclosure@...lists.org
Subject: [FD] InfiniteWP Client WordPress Plugin unauthenticated PHP Object
 injection vulnerability

------------------------------------------------------------------------
InfiniteWP Client WordPress Plugin unauthenticated PHP Object injection
vulnerability
------------------------------------------------------------------------
Yorick Koster, June 2016

------------------------------------------------------------------------
Abstract
------------------------------------------------------------------------
A PHP Object injection vulnerability was found in the InfiniteWP Client
WordPress Plugin, which can be used by an unauthenticated user to
instantiate arbitrary PHP Objects. Using this vulnerability it is
possible to execute arbitrary PHP code.

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OVE ID
------------------------------------------------------------------------
OVE-20160803-0004

------------------------------------------------------------------------
Tested versions
------------------------------------------------------------------------
This issue was successfully tested on the InfiniteWP Client WordPress
Plugin version 1.5.1.3/1.6.0.

------------------------------------------------------------------------
Fix
------------------------------------------------------------------------
Input validation was added to version 1.6.1.1 of InfiniteWP Client to
mitigate this issue. JSON support was added to InfiniteWP Client version
1.6.3.2, which will eventually replace the serialized data.

------------------------------------------------------------------------
Details
------------------------------------------------------------------------
https://sumofpwn.nl/advisory/2016/infinitewp_client_wordpress_plugin_unauthenticated_php_object_injection_vulnerability.html

------------------------------------------------------------------------
Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its
goal is to contribute to the security of popular, widely used OSS
projects in a fun and educational way.

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