Maxthon Browser URI about: Dialog XSS

Friday, September 05, 2008
##########################################
Maxthon Browser URI about: Dialog XSS.
Vendor URL: http://www.maxthon.com/
Advisore:http://lostmon.blogspot.com/2008/09/
avant-browser-uri-about-dialog-xss_05.html
Vendor notify:yes exploit available:yes
##########################################

##########################
Vulnerability description
##########################

Maxthon Browser contains a flaw that allows a remote
cross site scripting attack.This flaw exists because
the application does not validate In the URI dialog
'about:' This could allow a user to create a specially
crafted URL that would execute arbitrary code in a user's
browser within the trust relationship between the browser
and the server,leading loss ofintegrity.

#################
Versions
################·

Maxthon Browser 1.6.4 built 20 Vulnerable

Maxthon Browser 2.0.2.2961 Not vulnerable

Aparently in changelog of this version (2.0.2.2961)
The vendor has change some parts of about dialog ,them,
this vulnerability its pached after this version; but
before, prior versions can be vulnerables too.


ChangeLog from Maxthon:
http://www.maxthon.com/changelog.htm



###################
Solution
###################

Update to version 2.0.2.2961 or latest built.



###################
Timeline
##################

Dicovered:16-08-2008
vendor notify:05-09-2008
Vendor response:---
Public Disclosure:----

###################
Proof of Concept.
###################

#############
Test
#############

Put in your Maxthon Broser

about:"><script>alert(1)</script>

or create a link like

<a href='about:<a href='about:"><script>alert(1)</script>'>Maxthon Browser XSS</a>

############## €nd ###################

Thnx To estrella to be my light
Thnx to all Lostmon Team !
thnx to imydes From www.imydes.com
--
atentamente:
Lostmon (lostmon@gmail.com)
Web-Blog: http://lostmon.blogspot.com/
Google group: http://groups.google.com/group/lostmon (new)
--
La curiosidad es lo que hace mover la mente....

Avant Browser URI about: Dialog XSS

##########################################
Avant Browser URI about: Dialog XSS.
Vendor URL: http://www.avantbrowser.com/
Advisory:http://lostmon.blogspot.com/2008/09/
avant-browser-uri-about-dialog-xss.html
Vendor notify:Yes exploit available:yes
##########################################

##########################
Vulnerability description
##########################

Avant Browser contains a flaw that allows a remote
cross site scripting attack.This flaw exists because
the application does not validate In the URI dialog
'about:' This could allow a user to create a specially
crafted URL that would execute arbitrary code in a user's
browser within the trust relationship between the browser
and the server,leading loss of integrity.

#################
Versions
################·

Avant Browser 11.6 built 20 vulnerable.

Avant Browser 11.6 built 7 vulnerable


###################
Solution
###################

No Solution at this time !!!



###################
Timeline
##################

Discovered:16-08-2008
vendor notify:05-09-2008
Vendor response:---
Public Disclosure:----

###################
Proof of Concept.
###################

#############
Test
#############

Put in your Avant Broser

about:"><script>alert(1)</script>

or create a link like

<a href='about:"><script>alert(1)</script>'>Avant Browser XSS</a>

############## €nd ###################

Thnx To estrella to be my light
Thnx to all Lostmon Team !
thnx to imydes From www.imydes.com
--
atentamente:
Lostmon (lostmon@gmail.com)
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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